MAVEN STATIC Sample Data Product Labels
Version 1.0
15 May 2019
Overview
========
This document contains sample PDS4 data product labels for each of the data file types
archived by the MAVEN STATIC instrument.
Contents
========
A. APID 2a (hkp) - housekeeping data
B. APID c0 (64e2m) - 64 energy x 2 mass ion distributions
C. APID c2 (32e32m) - 32 energy x 32 mass ion distributions
D. APID c4 (4e64m) - 4 energy x 64 mass ion distributions
E. APID c6 (32e64m) - 32 energy x 64 mass ion distributions
F. APID c8 (32e16d) - 32 energy x 16 deflection ion distributions
G. APID ca (16e4d16a) - 16 energy x 4 deflection x 16 anode ion distributions
H. APID cc (32e8d32m) - 32 energy x 8 deflection x 32 mass ion distributions
I. APID cd (32e8d32m) - 32 energy x 8 deflection x 32 mass ion distributions
J. APID ce (16e4d16a16m) - 16 energy x 4 deflection x 16 anode x 16 mass ion distributions
K. APID cf (16e4d16a16m) - 16 energy x 4 deflection x 16 anode x 16 mass ion distributions
L. APID d0 (32e4d16a8m) - 32 energy x 4 deflection x 16 anode x 8 mass ion distribution
M. APID d1 (32e4d16a8m) - 32 energy x 4 deflection x 16 anode x 8 mass ion distribution
N. APID d2 (32e16a8m) - 32 energy x 16 anode x 8 mass ion distributions
O. APID d3 (32e16a8m) - 32 energy x 16 anode x 8 mass ion distributions
P. APID d4 (4d16a2m) - 4 deflection x 16 anode x 2 mass ion distributions
Q. APID d6 (events) - raw event data
R. APID d7 (fsthkp) - fast housekeeping
S. APID d8 (12r) - 12 event rates summed over energy
T. APID d9 (12r64e) - 12 event rates x 64 energy
U. APID da (1r) - 1 selected event rate at high resolution
V. APID db (1024tof) - 1024 bin mass histogram in counts
Sample PDS4 Labels
==================
A. APID 2a (hkp) - housekeeping data
This sample data product label is from the MAVEN STATIC Housekeeping Data Collection
(LID = urn:nasa:pds:maven.static.c:data.2a_hkp). The sample label is for the date
2018-12-20.
urn:nasa:pds:maven.static.c:data.2a_hkp:mvn_sta_l2_2a-hkp_20181220
1.0
MAVEN STATIC Ion Spectra for 2018-12-20
1.4.0.0
Product_Observational
McFadden, J. P.
2019
Time-ordered, fully calibrated housekeeping data covering 2018-12-20.
2019-05-07
1.0
Initial Verion
2018-12-20T00:00:28.099Z
2018-12-20T23:59:50.168Z
Engineering
Calibrated
Mars Atmosphere and Volatile EvolutioN Mission
Mission
urn:nasa:pds:context:investigation:mission.maven
data_to_investigation
MAVEN
Spacecraft
urn:nasa:pds:context:instrument_host:spacecraft.maven
is_instrument_host
STATIC
Instrument
urn:nasa:pds:context:instrument:static.maven
is_instrument
Mars
Planet
urn:nasa:pds:context:target:planet.mars
data_to_target
EM-3
3.922564935312999E13
3.923130917316199E13
project_name
MAVEN
M
spacecraft
0
0
data_name
XX YYY where XX is the APID and YYY is the array abbreviation (64e2m, 32e32m, etc.)
H
apid
Application Process Identifier (APID) for the packet from which the data are taken.
2
num_dists
Number of measurements or times in the file
2689
nhkp
Number of housekeeping channels - 99
99
time values
epoch
data_values_to_data_values
time_met
data_values_to_data_values
time_unix
data_values_to_data_values
urn:nasa:pds:maven.spice:spice_kernels:lsk_naif0012.tls::1.0
data_to_spice_kernel
This data file was processed using the SPICE leapsecond kernel: naif0012.tls.
urn:nasa:pds:maven.spice:spice_kernels:sclk_mvn_sclkscet_00066.tsc::1.0
data_to_spice_kernel
This data file was processed using the SPICE MAVEN SCLK kernel: MVN_SCLKSCET.00066.tsc.
mvn_sta_l2_2a-hkp_20181220_v02_r05.cdf
2019-05-07T23:35:44
1737934
ee2898f27cef107ea880fae8a7cccf78
CDF Header
0
404
CDF 3.4 ISTP/IACG
TT2000
epoch
33226
1
Last Index Fastest
UTC time from 01-Jan-2000 12:00:00.000 (including leap seconds), stored as an integer in nanoseconds.
SignedMSB8
nanosec
epoch
2689
1
-0.0
3.595796016651621E-222
2.2152726415982762E-279
Mission Elapsed Time
time_met
55242
1
Last Index Fastest
Mission elapsed time for this data record.
IEEE754MSBDouble
sec
epoch
2689
1
-1.0E31
8.5587834E8
0.0
SPICE Ephemeris Time
time_ephemeris
77258
1
Last Index Fastest
Time used by SPICE program.
IEEE754MSBDouble
sec
epoch
2689
1
-1.0E31
1.293883209183998E9
4.380048671839981E8
Unix Time
time_unix
99274
1
Last Index Fastest
Unix time (elapsed seconds since 1970-01-01/00:00 without leap seconds) for this data record. This time is the center time of data collection.
IEEE754MSBDouble
sec
epoch
2689
1
-1.0E31
2.24061114E9
1.3847328E9
hkp_raw
hkp_raw
121292
2
Last Index Fastest
Housekeeping array of dimension (NHKP) of raw housekeeping values.
SignedMSB2
epoch
2689
1
hkp_channel
99
2
-32768
32767
-32767
hkp
hkp
654222
2
Last Index Fastest
Housekeeping array of dimension (NHKP) of calibrated housekeeping values calculated from HKP_RAW and HKP_CONV.
IEEE754MSBSingle
epoch
2689
1
hkp_channel
99
2
-1.0E31
1.0E31
-1.0E31
Quality flag
quality_flag
1719564
1
Last Index Fastest
Quality flag: test pulser on (bit 0), diagnostic mode (bit 1), dead time correction greater than 2 flag (bit 2), detector droop correction greater than 2 flag (bit 3), dead time correction not at event time (bit 4), electrostatic attenuator problem (bit 5), attenuator change during accumulation (bit 6), mode change during accumulation (bit 7), LPW interference with data (bit 8), high background (bit 9), no background subtraction array (bit 10), missing spacecraft potential (bit 11), inflight calibration incomplete (bit 12), geometric factor problem (bit 13), ion suppression problem (bit 14), 0 (bit 15)
SignedMSB2
epoch
2689
1
-32768
32767
-32767
calib_constants
calib_constants
1728490
2
Last Index Fastest
Calibration parameters to convert raw housekeeping value to calibrated housekeeping with dimension (8,NHKP)
IEEE754MSBDouble
hkp_channel
99
1
n/a
8
2
-1.0E31
1.0E31
-1.0E31
B. APID c0 (64e2m) - 64 energy x 2 mass ion distributions
This sample data product label is from the MAVEN STATIC Calibrated Energy Flux:
64 Energy x 2 Mass Bins Data Collection (LID = urn:nasa:pds:maven.static.c:data.c0_64e2m).
The sample label is for the date 2018-12-02.
urn:nasa:pds:maven.static.c:data.c0_64e2m:mvn_sta_l2_c0-64e2m_20181202
1.0
MAVEN STATIC Ion Spectra for 2018-12-02
1.4.0.0
Product_Observational
McFadden, J. P.
2019
Time-ordered, fully calibrated differential energy flux in 64 energy bin x 2 mass bin arrays, summed over look direction covering 2018-12-02.
2019-05-07
1.0
Initial Verion
2018-12-02T00:00:11.743Z
2018-12-03T00:00:07.507Z
Science
Calibrated
Magnetosphere
Particles
Ions
Plasma
Mars Atmosphere and Volatile EvolutioN Mission
Mission
urn:nasa:pds:context:investigation:mission.maven
data_to_investigation
MAVEN
Spacecraft
urn:nasa:pds:context:instrument_host:spacecraft.maven
is_instrument_host
STATIC
Instrument
urn:nasa:pds:context:instrument:static.maven
is_instrument
Mars
Planet
urn:nasa:pds:context:target:planet.mars
data_to_target
EM-3
3.912372677527501E13
3.912938880354199E13
project_name
MAVEN
M
spacecraft
0
0
data_name
XX YYY where XX is the APID and YYY is the array abbreviation (64e2m, 32e32m, etc.)
c
apid
Application Process Identifier (APID) for the packet from which the data are taken.
c
units_name
eflux
c
units_procedure
mvn_convert_sta_units, name of IDL routine used for units conversion
m
num_dists
Number of measurements or times in the file
21600
nenergy
Number of energy bins
64
nbins
Number of solid angle bins
1
nmass
Number of mass bins
2
ndef
Number of deflector angle bins
1
nanode
Number of anode bins
1
natt
Number of attenuator states: 4
4
nswp
Number of sweep tables - will increase over mission as new sweep modes are added
28
neff
Number of efficiency arrays - will increase over mission as sensor degrades
128
nmlut
Number of MLUT tables - will increase over mission as new modes are developed
9
bins
Array with dimension NBINS containing 1 OR 0 used to flag bad solid angle bins
1
geom_factor
Geometric factor of a single 22.5 degree sector
1.9567319E-4
mass
Proton mass (0.01044) in units of MeV/c2
0.010438871
charge
Proton charge (1)
1.0
dead_time_1
Dead time for processed events. Dead time corrections are generally not necessary. Corrections require use of STATIC APID DA rate packets.
420.0
dead_time_2
Dead time for rejected events. Dead time corrections are generally not necessary. Corrections require use of STATIC APID DA rate packets.
660.0
dead_time_3
Dead time for stop-no-start events. Dead time corrections are generally not necessary. Corrections require use of STATIC APID DA rate packets.
460.0
Background counts
Background counts array with dimensions (NUM_DISTS, NENERGY, NMASS)
bkg
particle_observation_to_observation_values
energy
particle_observation_to_aligned_values
denergy
particle_observation_to_aligned_values
theta
particle_observation_to_aligned_values
dtheta
particle_observation_to_aligned_values
phi
particle_observation_to_aligned_values
dphi
particle_observation_to_aligned_values
domega
particle_observation_to_aligned_values
gf
particle_observation_to_aligned_values
eff
particle_observation_to_aligned_values
mass_arr
particle_observation_to_aligned_values
tof_arr
particle_observation_to_aligned_values
twt_arr
particle_observation_to_aligned_values
Dead_time correction
Dead time correction array with dimensions (NUM_DISTS, NENERGY, NMASS), values 0.0 to 1.0, divide by this to correct.
dead
particle_observation_to_observation_values
energy
particle_observation_to_aligned_values
denergy
particle_observation_to_aligned_values
theta
particle_observation_to_aligned_values
dtheta
particle_observation_to_aligned_values
phi
particle_observation_to_aligned_values
dphi
particle_observation_to_aligned_values
domega
particle_observation_to_aligned_values
gf
particle_observation_to_aligned_values
eff
particle_observation_to_aligned_values
mass_arr
particle_observation_to_aligned_values
tof_arr
particle_observation_to_aligned_values
twt_arr
particle_observation_to_aligned_values
Data counts
Counts array with dimensions (NUM_DISTS, NENERGY, NMASS)
data
particle_observation_to_observation_values
energy
particle_observation_to_aligned_values
denergy
particle_observation_to_aligned_values
theta
particle_observation_to_aligned_values
dtheta
particle_observation_to_aligned_values
phi
particle_observation_to_aligned_values
dphi
particle_observation_to_aligned_values
domega
particle_observation_to_aligned_values
gf
particle_observation_to_aligned_values
eff
particle_observation_to_aligned_values
mass_arr
particle_observation_to_aligned_values
tof_arr
particle_observation_to_aligned_values
twt_arr
particle_observation_to_aligned_values
Energy flux
Differential energy flux array with dimensions (NUM_DISTS, NENERGY, NMASS)
eflux
particle_observation_to_observation_values
energy
particle_observation_to_aligned_values
denergy
particle_observation_to_aligned_values
theta
particle_observation_to_aligned_values
dtheta
particle_observation_to_aligned_values
phi
particle_observation_to_aligned_values
dphi
particle_observation_to_aligned_values
domega
particle_observation_to_aligned_values
gf
particle_observation_to_aligned_values
eff
particle_observation_to_aligned_values
mass_arr
particle_observation_to_aligned_values
tof_arr
particle_observation_to_aligned_values
twt_arr
particle_observation_to_aligned_values
gf
Geometric Factor array with dimension (NSWP, NENERGY, NATT)
gf
particle_observation_to_observation_values
att_ind
particle_observation_to_axis_values
1
index
particle_observation_to_axis_values
2
index
particle_observation_to_axis_values
3
energy
particle_observation_to_aligned_values
denergy
particle_observation_to_aligned_values
theta
particle_observation_to_aligned_values
dtheta
particle_observation_to_aligned_values
phi
particle_observation_to_aligned_values
dphi
particle_observation_to_aligned_values
domega
particle_observation_to_aligned_values
gf
particle_observation_to_aligned_values
eff
particle_observation_to_aligned_values
mass_arr
particle_observation_to_aligned_values
tof_arr
particle_observation_to_aligned_values
twt_arr
particle_observation_to_aligned_values
eff
Efficiency array with dimension (NEFF, NENERGY, NMASS)
eff
particle_observation_to_observation_values
index
particle_observation_to_axis_values
1
index
particle_observation_to_axis_values
2
eff_ind
particle_observation_to_axis_values
3
energy
particle_observation_to_aligned_values
denergy
particle_observation_to_aligned_values
theta
particle_observation_to_aligned_values
dtheta
particle_observation_to_aligned_values
phi
particle_observation_to_aligned_values
dphi
particle_observation_to_aligned_values
domega
particle_observation_to_aligned_values
gf
particle_observation_to_aligned_values
eff
particle_observation_to_aligned_values
mass_arr
particle_observation_to_aligned_values
tof_arr
particle_observation_to_aligned_values
twt_arr
particle_observation_to_aligned_values
time values
epoch
data_values_to_data_values
time_met
data_values_to_data_values
time_unix
data_values_to_data_values
urn:nasa:pds:maven.spice:spice_kernels:lsk_naif0012.tls::1.0
data_to_spice_kernel
This data file was processed using the SPICE leapsecond kernel: naif0012.tls.
urn:nasa:pds:maven.spice:spice_kernels:sclk_mvn_sclkscet_00065.tsc::1.0
data_to_spice_kernel
This data file was processed using the SPICE MAVEN SCLK kernel: MVN_SCLKSCET.00065.tsc.
mvn_sta_l2_c0-64e2m_20181202_v02_r08.cdf
2019-05-07T23:35:47
47781409
05a373261c70bf6248f260409fcc95a0
CDF Header
0
404
CDF 3.4 ISTP/IACG
TT2000
epoch
86386
1
Last Index Fastest
UTC time from 01-Jan-2000 12:00:00.000 (including leap seconds), stored as an integer in nanoseconds.
SignedMSB8
nanosec
epoch
21600
1
-0.0
3.595796016651621E-222
2.2152726415982762E-279
Mission Elapsed Time
time_met
259690
1
Last Index Fastest
Mission elapsed time for this data record.
IEEE754MSBDouble
sec
epoch
21600
1
-1.0E31
8.5587834E8
0.0
SPICE Ephemeris Time
time_ephemeris
432994
1
Last Index Fastest
Time used by SPICE program.
IEEE754MSBDouble
sec
epoch
21600
1
-1.0E31
1.293883209183998E9
4.380048671839981E8
Unix Time
time_unix
606298
1
Last Index Fastest
Unix time (elapsed seconds since 1970-01-01/00:00 without leap seconds) for this data record. This time is the center time of data collection.
IEEE754MSBDouble
sec
epoch
21600
1
-1.0E31
2.24061114E9
1.3847328E9
Interval start time (unix)
time_start
779602
1
Last Index Fastest
Unix time at the start of data collection. (NUM_DISTS elements)
IEEE754MSBDouble
sec
epoch
21600
1
-1.0E31
2.24061114E9
1.3847328E9
Interval end time (unix)
time_end
952906
1
Last Index Fastest
Unix time at the end of data collection. (NUM_DISTS elements)
IEEE754MSBDouble
sec
epoch
21600
1
-1.0E31
2.24061114E9
1.3847328E9
Averaging time
time_delta
1126210
1
Last Index Fastest
Averaging time. (TIME_DELTA = TIME_END - TIME_START).
IEEE754MSBDouble
sec
epoch
21600
1
-1.0E31
1.0E31
-1.0E31
Integration time
time_integ
1299514
1
Last Index Fastest
Integration time. (TIME_DELTA / (NENERGY*NDEF)).
IEEE754MSBDouble
sec
epoch
21600
1
-1.0E31
1.0E31
-1.0E31
Eprom version
eprom_ver
1472812
1
Last Index Fastest
An integer designating the flight EPROM version number that determines stored Real Time Sequence (RTS) commands and table loads that configure the STATIC instrument and determine energy and angle sweeps.
SignedMSB2
epoch
21600
1
-32768
32767
-32767
Header
header
1516512
1
Last Index Fastest
A long integer that consists of bytes 12-15 in data packet header. See MAVEN_PF_FSW_021_CTM.xls for definition of header bits. (NUM_DISTS elements)
SignedMSB4
epoch
21600
1
-2147483648
2147483647
-2147483647
Valid flag
valid
1603410
1
Last Index Fastest
Validity flag codes valid data (bit 0), test pulser on (bit 1), diagnostic mode (bit 2), data compression type (bit 3-4), packet compression (bit 5) (NUM_DISTS elements)
SignedMSB2
epoch
21600
1
-32768
32767
-32767
Mode number
mode
1647108
1
Last Index Fastest
Decoded mode number: 1=ram, 2=conic, 3=pickup, 4=scan, 5=eclipse, 6=protect
SignedMSB2
epoch
21600
1
-32768
32767
-32767
Telemetry rate number
rate
1690806
1
Last Index Fastest
Decoded telemetry rate number. (NUM_DISTS elements)
SignedMSB2
epoch
21600
1
-32768
32767
-32767
Sweep index
swp_ind
1734504
1
Last Index Fastest
Index that identifies the energy and deflector sweep look up tables (LUT) for the sensor. SWP_IND is an index that selects the following support data arrays: ENERGY, DENERGY, THETA, DTHETA, PHI, DPHI, DOMEGA, GF and MASS_ARR. (NUM_DISTS elements), SWP_IND Le NSWP
SignedMSB2
epoch
21600
1
-32768
32767
-32767
MLUT index
mlut_ind
1778202
1
Last Index Fastest
Index that identifies the onboard mass look up table (MLUT). MLUT_IND is an index that selects the following support data: TOF_ARR. (NUM_DISTS elements) MLUT Le NMLUT
SignedMSB2
epoch
21600
1
-32768
32767
-32767
Efficiency index
eff_ind
1821900
1
Last Index Fastest
Index that identifies the efficiency calibration table to be used. EFF_IND is an index that selects the following support data: EFF. (NUM_DISTS elements) EFF_IND Le NEFF
SignedMSB2
epoch
21600
1
-32768
32767
-32767
Attenuator state
att_ind
1865598
1
Last Index Fastest
Index that identifies the attenuator state (0 = no attenuation, 1 = electrostatic attenuation, 2 = mechanical attenuation, 3 = mechanical and electrostatic attenuation). (NUM_DISTS elements)
SignedMSB2
epoch
21600
1
-32768
32767
-32767
Spacecraft potential
sc_pot
1909298
1
Last Index Fastest
Spacecraft potential
IEEE754MSBSingle
volts
epoch
21600
1
-1.0E31
1.0E31
-1.0E31
Magnetic field
magf
1996206
2
Last Index Fastest
Magnetic field vector with dimension (3) in STATIC coordinates
IEEE754MSBSingle
nT
epoch
21600
1
vector_components
3
2
-1.0E31
1.0E31
-1.0E31
Quaternion to SC
quat_sc
2255914
2
Last Index Fastest
Quaternion elements to rotate from STATIC coordinates (same as APP coordinates) to SC coordinates (NUM_DISTS, 3)
IEEE754MSBSingle
epoch
21600
1
quaternion_elements
4
2
-1.0E31
1.0E31
-1.0E31
Quaternion to MSO
quat_mso
2602022
2
Last Index Fastest
Quaternion elements to rotate from STATIC coordinates (same as APP coordinates) to MSO coordinates (NUM_DISTS, 3)
IEEE754MSBSingle
epoch
21600
1
quaternion_elements
4
2
-1.0E31
1.0E31
-1.0E31
Bins flag
bins_sc
2948120
1
Last Index Fastest
Integer array of 1s and 0s with dimension (NBINS) Used to identify angle bins that include (value=0) spacecraft surfaces. If NBINS=1, then BINS_SC is set to 1. Values=0 indicates a solid angle bin with more than 50% blockage by the spacecraft.
SignedMSB2
epoch
21600
1
-32768
32767
-32767
SC position MSO
pos_sc_mso
2991828
2
Last Index Fastest
Spacecraft position in MSO coordinates with dimension (NUM_DISTS, 3)
IEEE754MSBSingle
epoch
21600
1
vector_components
3
2
-1.0E31
1.0E31
-1.0E31
Background counts
bkg
3251544
3
Last Index Fastest
Background counts array with dimensions (NUM_DISTS, NENERGY, NMASS)
IEEE754MSBSingle
Counts
epoch
21600
1
mass
2
2
energy
64
3
-1.0E31
1.0E31
-1.0E31
Dead_time correction
dead
14311260
3
Last Index Fastest
Dead time correction array with dimensions (NUM_DISTS, NENERGY, NMASS), values 0.0 to 1.0, divide by this to correct.
IEEE754MSBSingle
epoch
21600
1
mass
2
2
energy
64
3
-1.0E31
1.0E31
-1.0E31
Data counts
data
25370976
3
Last Index Fastest
Counts array with dimensions (NUM_DISTS, NENERGY, NMASS)
IEEE754MSBSingle
Counts
epoch
21600
1
mass
2
2
energy
64
3
-1.0E31
1.0E31
-1.0E31
Energy flux
eflux
36430692
3
Last Index Fastest
Differential energy flux array with dimensions (NUM_DISTS, NENERGY, NMASS)
IEEE754MSBSingle
eV/(cm^2-s-sr-eV)
epoch
21600
1
mass
2
2
energy
64
3
-1.0E31
1.0E31
-1.0E31
Quality flag
quality_flag
47490390
1
Last Index Fastest
Quality flag: test pulser on (bit 0), diagnostic mode (bit 1), dead time correction greater than 2 flag (bit 2), detector droop correction greater than 2 flag (bit 3), dead time correction not at event time (bit 4), electrostatic attenuator problem (bit 5), attenuator change during accumulation (bit 6), mode change during accumulation (bit 7), LPW interference with data (bit 8), high background (bit 9), no background subtraction array (bit 10), missing spacecraft potential (bit 11), inflight calibration incomplete (bit 12), geometric factor problem (bit 13), ion suppression problem (bit 14), 0 (bit 15)
SignedMSB2
epoch
21600
1
-32768
32767
-32767
energy
energy
47542680
3
Last Index Fastest
Energy array with dimension (NSWP, NENERGY, NMASS)
IEEE754MSBSingle
eV
mass
2
1
energy
64
2
swp_index
28
3
-1.0E31
1.0E31
-1.0E31
denergy
denergy
47557540
3
Last Index Fastest
Delta Energy array with dimension (NSWP, NENERGY, NMASS)
IEEE754MSBSingle
eV
mass
2
1
energy
64
2
swp_index
28
3
-1.0E31
1.0E31
-1.0E31
theta
theta
47572400
3
Last Index Fastest
Angle array with with dimension (NSWP, NENERGY, NMASS)
IEEE754MSBSingle
Degrees
mass
2
1
energy
64
2
swp_index
28
3
-1.0E31
1.0E31
-1.0E31
dtheta
dtheta
47587260
3
Last Index Fastest
Delta Angle array with dimension (NSWP, NENERGY, NMASS)
IEEE754MSBSingle
Degrees
mass
2
1
energy
64
2
swp_index
28
3
-1.0E31
1.0E31
-1.0E31
phi
phi
47602120
3
Last Index Fastest
Angle array with dimension (NSWP, NENERGY, NMASS)
IEEE754MSBSingle
Degrees
mass
2
1
energy
64
2
swp_index
28
3
-1.0E31
1.0E31
-1.0E31
dphi
dphi
47616980
3
Last Index Fastest
Delta Angle array with dimension (NSWP, NENERGY, NMASS)
IEEE754MSBSingle
Degrees
mass
2
1
energy
64
2
swp_index
28
3
-1.0E31
1.0E31
-1.0E31
domega
domega
47631840
3
Last Index Fastest
Delta Solid Angle array with dimension (NSWP, NENERGY, NMASS)
IEEE754MSBSingle
Steradians
mass
2
1
energy
64
2
swp_index
28
3
-1.0E31
1.0E31
-1.0E31
gf
gf
47646700
3
Last Index Fastest
Geometric Factor array with dimension (NSWP, NENERGY, NATT)
IEEE754MSBSingle
att_ind
4
1
energy
64
2
swp_index
28
3
-1.0E31
1.0E31
-1.0E31
eff
eff
47675896
3
Last Index Fastest
Efficiency array with dimension (NEFF, NENERGY, NMASS)
IEEE754MSBSingle
mass
2
1
energy
64
2
eff_index
128
3
-1.0E31
1.0E31
-1.0E31
mass_arr
mass_arr
47741956
3
Last Index Fastest
Mass array with dimension (NSWP, NENERGY, NMASS). Nominal mass of a mass bin in units of AMUs based on TOF. This array is not integer AMU.
IEEE754MSBSingle
AMU
mass
2
1
energy
64
2
swp_index
28
3
-1.0E31
1.0E31
-1.0E31
tof_arr
tof_arr
47756816
3
Last Index Fastest
Time-of-flight (TOF) array with dimension (NMLUT, NENERGY, NMASS). Gives average TOF value for mass bins.
IEEE754MSBSingle
mass
2
1
energy
64
2
mlut_index
9
3
-1.0E31
1.0E31
-1.0E31
twt_arr
twt_arr
47761948
3
Last Index Fastest
Time-of-flight Weight (TWT) array with dimension (NMLUT, NENERGY, NMASS). Gives number of TOF bins in a given mass bin. Used for normalizing a mass spectra.
IEEE754MSBSingle
mass
2
1
energy
64
2
mlut_index
9
3
-1.0E31
1.0E31
-1.0E31
C. APID c2 (32e32m) - 32 energy x 32 mass ion distributions
This sample data product label is from the MAVEN STATIC Calibrated Energy Flux:
32 Energy x 32 Mass Bins Data Collection (LID = urn:nasa:pds:maven.static.c:data.c2_32e32m).
The sample label is for the date 2015-06-24.
urn:nasa:pds:maven.static.c:data.c2_32e32m:mvn_sta_l2_c2-32e32m_20150624
3.0
MAVEN STATIC Ion Spectra for 2015-06-24
1.4.0.0
Product_Observational
McFadden, J. P.
2018
Time-ordered, fully calibrated calibrated differential energy flux in 32 energy bin x 32 mass bin arrays, summed over look direction covering 2015-06-24.
2018-05-21
3.0
This file has been updated to correct the algorithm for generating the array of look directions blocked by the spacecraft (BINS_SC), and the algorithm for generating the dead-time and detector droop correction array (DEAD) was updated to use variable background rates.
2015-06-24T17:04:05.077Z
2015-06-24T17:06:01.076Z
Science
Calibrated
Magnetosphere
Particles
Ions
Plasma
Mars Atmosphere and Volatile EvolutioN Mission
Mission
urn:nasa:pds:context:investigation:mission.maven
data_to_investigation
MAVEN
Spacecraft
urn:nasa:pds:context:instrument_host:spacecraft.maven
is_instrument_host
STATIC
Instrument
urn:nasa:pds:context:instrument:static.maven
is_instrument
Mars
Planet
urn:nasa:pds:context:target:planet.mars
data_to_target
Prime Mission
3.2010234273169004E13
3.2010241875291E13
project_name
MAVEN
M
spacecraft
0
0
data_name
XX YYY where XX is the APID and YYY is the array abbreviation (64e2m, 32e32m, etc.)
c
apid
Application Process Identifier (APID) for the packet from which the data are taken.
c
units_name
eflux
c
units_procedure
mvn_convert_sta_units, name of IDL routine used for units conversion
m
num_dists
Number of measurements or times in the file
30
nenergy
Number of energy bins
32
nbins
Number of solid angle bins
1
nmass
Number of mass bins
32
ndef
Number of deflector angle bins
1
nanode
Number of anode bins
1
natt
Number of attenuator states: 4
4
nswp
Number of sweep tables - will increase over mission as new sweep modes are added
27
neff
Number of efficiency arrays - will increase over mission as sensor degrades
128
nmlut
Number of MLUT tables - will increase over mission as new modes are developed
9
bins
Array with dimension NBINS containing 1 OR 0 used to flag bad solid angle bins
1
geom_factor
Geometric factor of a single 22.5 degree sector
1.9567319E-4
mass
Proton mass (0.01044) in units of MeV/c2
0.010438871
charge
Proton charge (1)
1.0
dead_time_1
Dead time for processed events. Dead time corrections are generally not necessary. Corrections require use of STATIC APID DA rate packets.
420.0
dead_time_2
Dead time for rejected events. Dead time corrections are generally not necessary. Corrections require use of STATIC APID DA rate packets.
660.0
dead_time_3
Dead time for stop-no-start events. Dead time corrections are generally not necessary. Corrections require use of STATIC APID DA rate packets.
460.0
Background counts
Background counts array with dimensions (NUM_DISTS, NENERGY, NMASS)
bkg
particle_observation_to_observation_values
energy
particle_observation_to_aligned_values
denergy
particle_observation_to_aligned_values
theta
particle_observation_to_aligned_values
dtheta
particle_observation_to_aligned_values
phi
particle_observation_to_aligned_values
dphi
particle_observation_to_aligned_values
domega
particle_observation_to_aligned_values
gf
particle_observation_to_aligned_values
eff
particle_observation_to_aligned_values
mass_arr
particle_observation_to_aligned_values
tof_arr
particle_observation_to_aligned_values
twt_arr
particle_observation_to_aligned_values
Dead_time correction
Dead time correction array with dimensions (NUM_DISTS, NENERGY, NMASS), values 0.0 to 1.0, divide by this to correct.
dead
particle_observation_to_observation_values
energy
particle_observation_to_aligned_values
denergy
particle_observation_to_aligned_values
theta
particle_observation_to_aligned_values
dtheta
particle_observation_to_aligned_values
phi
particle_observation_to_aligned_values
dphi
particle_observation_to_aligned_values
domega
particle_observation_to_aligned_values
gf
particle_observation_to_aligned_values
eff
particle_observation_to_aligned_values
mass_arr
particle_observation_to_aligned_values
tof_arr
particle_observation_to_aligned_values
twt_arr
particle_observation_to_aligned_values
Data counts
Counts array with dimensions (NUM_DISTS, NENERGY, NMASS)
data
particle_observation_to_observation_values
energy
particle_observation_to_aligned_values
denergy
particle_observation_to_aligned_values
theta
particle_observation_to_aligned_values
dtheta
particle_observation_to_aligned_values
phi
particle_observation_to_aligned_values
dphi
particle_observation_to_aligned_values
domega
particle_observation_to_aligned_values
gf
particle_observation_to_aligned_values
eff
particle_observation_to_aligned_values
mass_arr
particle_observation_to_aligned_values
tof_arr
particle_observation_to_aligned_values
twt_arr
particle_observation_to_aligned_values
Energy flux
Differential energy flux array with dimensions (NUM_DISTS, NENERGY, NMASS)
eflux
particle_observation_to_observation_values
energy
particle_observation_to_aligned_values
denergy
particle_observation_to_aligned_values
theta
particle_observation_to_aligned_values
dtheta
particle_observation_to_aligned_values
phi
particle_observation_to_aligned_values
dphi
particle_observation_to_aligned_values
domega
particle_observation_to_aligned_values
gf
particle_observation_to_aligned_values
eff
particle_observation_to_aligned_values
mass_arr
particle_observation_to_aligned_values
tof_arr
particle_observation_to_aligned_values
twt_arr
particle_observation_to_aligned_values
gf
Geometric Factor array with dimension (NSWP, NENERGY, NATT)
gf
particle_observation_to_observation_values
att_ind
particle_observation_to_axis_values
1
index
particle_observation_to_axis_values
2
index
particle_observation_to_axis_values
3
energy
particle_observation_to_aligned_values
denergy
particle_observation_to_aligned_values
theta
particle_observation_to_aligned_values
dtheta
particle_observation_to_aligned_values
phi
particle_observation_to_aligned_values
dphi
particle_observation_to_aligned_values
domega
particle_observation_to_aligned_values
gf
particle_observation_to_aligned_values
eff
particle_observation_to_aligned_values
mass_arr
particle_observation_to_aligned_values
tof_arr
particle_observation_to_aligned_values
twt_arr
particle_observation_to_aligned_values
eff
Efficiency array with dimension (NEFF, NENERGY, NMASS)
eff
particle_observation_to_observation_values
index
particle_observation_to_axis_values
1
index
particle_observation_to_axis_values
2
eff_ind
particle_observation_to_axis_values
3
energy
particle_observation_to_aligned_values
denergy
particle_observation_to_aligned_values
theta
particle_observation_to_aligned_values
dtheta
particle_observation_to_aligned_values
phi
particle_observation_to_aligned_values
dphi
particle_observation_to_aligned_values
domega
particle_observation_to_aligned_values
gf
particle_observation_to_aligned_values
eff
particle_observation_to_aligned_values
mass_arr
particle_observation_to_aligned_values
tof_arr
particle_observation_to_aligned_values
twt_arr
particle_observation_to_aligned_values
time values
epoch
data_values_to_data_values
time_met
data_values_to_data_values
time_unix
data_values_to_data_values
urn:nasa:pds:maven.spice:spice_kernels:lsk_naif0012.tls::1.0
data_to_spice_kernel
This data file was processed using the SPICE leapsecond kernel: naif0012.tls.
urn:nasa:pds:maven.spice:spice_kernels:sclk_mvn_sclkscet_00055.tsc::1.0
data_to_spice_kernel
This data file was processed using the SPICE MAVEN SCLK kernel: MVN_SCLKSCET.00055.tsc.
mvn_sta_l2_c2-32e32m_20150624_v02_r00.cdf
2018-05-21T08:01:31
2120861
b4f3e6c7ff963799a37b2fb713523ba5
CDF Header
0
404
CDF 3.4 ISTP/IACG
TT2000
epoch
85918
1
Last Index Fastest
UTC time from 01-Jan-2000 12:00:00.000 (including leap seconds), stored as an integer in nanoseconds.
SignedMSB8
nanosec
epoch
30
1
-0.0
3.595796016651621E-222
2.2152726415982762E-279
Mission Elapsed Time
time_met
86662
1
Last Index Fastest
Mission elapsed time for this data record.
IEEE754MSBDouble
sec
epoch
30
1
-1.0E31
8.5587834E8
0.0
SPICE Ephemeris Time
time_ephemeris
87406
1
Last Index Fastest
Time used by SPICE program.
IEEE754MSBDouble
sec
epoch
30
1
-1.0E31
1.293883209183998E9
4.380048671839981E8
Unix Time
time_unix
88150
1
Last Index Fastest
Unix time (elapsed seconds since 1970-01-01/00:00 without leap seconds) for this data record. This time is the center time of data collection.
IEEE754MSBDouble
sec
epoch
30
1
-1.0E31
2.24061114E9
1.3847328E9
Interval start time (unix)
time_start
88894
1
Last Index Fastest
Unix time at the start of data collection. (NUM_DISTS elements)
IEEE754MSBDouble
sec
epoch
30
1
-1.0E31
2.24061114E9
1.3847328E9
Interval end time (unix)
time_end
89638
1
Last Index Fastest
Unix time at the end of data collection. (NUM_DISTS elements)
IEEE754MSBDouble
sec
epoch
30
1
-1.0E31
2.24061114E9
1.3847328E9
Averaging time
time_delta
90382
1
Last Index Fastest
Averaging time. (TIME_DELTA = TIME_END - TIME_START).
IEEE754MSBDouble
sec
epoch
30
1
-1.0E31
1.0E31
-1.0E31
Integration time
time_integ
91126
1
Last Index Fastest
Integration time. (TIME_DELTA / (NENERGY*NDEF)).
IEEE754MSBDouble
sec
epoch
30
1
-1.0E31
1.0E31
-1.0E31
Eprom version
eprom_ver
91864
1
Last Index Fastest
An integer designating the flight EPROM version number that determines stored Real Time Sequence (RTS) commands and table loads that configure the STATIC instrument and determine energy and angle sweeps.
SignedMSB2
epoch
30
1
-32768
32767
-32767
Header
header
92424
1
Last Index Fastest
A long integer that consists of bytes 12-15 in data packet header. See MAVEN_PF_FSW_021_CTM.xls for definition of header bits. (NUM_DISTS elements)
SignedMSB4
epoch
30
1
-2147483648
2147483647
-2147483647
Valid flag
valid
93042
1
Last Index Fastest
Validity flag codes valid data (bit 0), test pulser on (bit 1), diagnostic mode (bit 2), data compression type (bit 3-4), packet compression (bit 5) (NUM_DISTS elements)
SignedMSB2
epoch
30
1
-32768
32767
-32767
Mode number
mode
93600
1
Last Index Fastest
Decoded mode number: 1=ram, 2=conic, 3=pickup, 4=scan, 5=eclipse, 6=protect
SignedMSB2
epoch
30
1
-32768
32767
-32767
Telemetry rate number
rate
94158
1
Last Index Fastest
Decoded telemetry rate number. (NUM_DISTS elements)
SignedMSB2
epoch
30
1
-32768
32767
-32767
Sweep index
swp_ind
94716
1
Last Index Fastest
Index that identifies the energy and deflector sweep look up tables (LUT) for the sensor. SWP_IND is an index that selects the following support data arrays: ENERGY, DENERGY, THETA, DTHETA, PHI, DPHI, DOMEGA, GF and MASS_ARR. (NUM_DISTS elements), SWP_IND Le NSWP
SignedMSB2
epoch
30
1
-32768
32767
-32767
MLUT index
mlut_ind
95274
1
Last Index Fastest
Index that identifies the onboard mass look up table (MLUT). MLUT_IND is an index that selects the following support data: TOF_ARR. (NUM_DISTS elements) MLUT Le NMLUT
SignedMSB2
epoch
30
1
-32768
32767
-32767
Efficiency index
eff_ind
95832
1
Last Index Fastest
Index that identifies the efficiency calibration table to be used. EFF_IND is an index that selects the following support data: EFF. (NUM_DISTS elements) EFF_IND Le NEFF
SignedMSB2
epoch
30
1
-32768
32767
-32767
Attenuator state
att_ind
96390
1
Last Index Fastest
Index that identifies the attenuator state (0 = no attenuation, 1 = electrostatic attenuation, 2 = mechanical attenuation, 3 = mechanical and electrostatic attenuation). (NUM_DISTS elements)
SignedMSB2
epoch
30
1
-32768
32767
-32767
Spacecraft potential
sc_pot
96950
1
Last Index Fastest
Spacecraft potential
IEEE754MSBSingle
volts
epoch
30
1
-1.0E31
1.0E31
-1.0E31
Magnetic field
magf
97578
2
Last Index Fastest
Magnetic field vector with dimension (3) in STATIC coordinates
IEEE754MSBSingle
nT
epoch
30
1
vector_components
3
2
-1.0E31
1.0E31
-1.0E31
Quaternion to SC
quat_sc
98446
2
Last Index Fastest
Quaternion elements to rotate from STATIC coordinates (same as APP coordinates) to SC coordinates (NUM_DISTS, 3)
IEEE754MSBSingle
epoch
30
1
quaternion_elements
4
2
-1.0E31
1.0E31
-1.0E31
Quaternion to MSO
quat_mso
99434
2
Last Index Fastest
Quaternion elements to rotate from STATIC coordinates (same as APP coordinates) to MSO coordinates (NUM_DISTS, 3)
IEEE754MSBSingle
epoch
30
1
quaternion_elements
4
2
-1.0E31
1.0E31
-1.0E31
Bins flag
bins_sc
100412
1
Last Index Fastest
Integer array of 1s and 0s with dimension (NBINS) Used to identify angle bins that include (value=0) spacecraft surfaces. If NBINS=1, then BINS_SC is set to 1. Values=0 indicates a solid angle bin with more than 50% blockage by the spacecraft.
SignedMSB2
epoch
30
1
-32768
32767
-32767
SC position MSO
pos_sc_mso
100980
2
Last Index Fastest
Spacecraft position in MSO coordinates with dimension (NUM_DISTS, 3)
IEEE754MSBSingle
epoch
30
1
vector_components
3
2
-1.0E31
1.0E31
-1.0E31
Background counts
bkg
101856
3
Last Index Fastest
Background counts array with dimensions (NUM_DISTS, NENERGY, NMASS)
IEEE754MSBSingle
Counts
epoch
30
1
mass
32
2
energy
32
3
-1.0E31
1.0E31
-1.0E31
Dead_time correction
dead
225252
3
Last Index Fastest
Dead time correction array with dimensions (NUM_DISTS, NENERGY, NMASS), values 0.0 to 1.0, divide by this to correct.
IEEE754MSBSingle
epoch
30
1
mass
32
2
energy
32
3
-1.0E31
1.0E31
-1.0E31
Data counts
data
348648
3
Last Index Fastest
Counts array with dimensions (NUM_DISTS, NENERGY, NMASS)
IEEE754MSBSingle
Counts
epoch
30
1
mass
32
2
energy
32
3
-1.0E31
1.0E31
-1.0E31
Energy flux
eflux
472044
3
Last Index Fastest
Differential energy flux array with dimensions (NUM_DISTS, NENERGY, NMASS)
IEEE754MSBSingle
eV/sr/sec
epoch
30
1
mass
32
2
energy
32
3
-1.0E31
1.0E31
-1.0E31
Quality flag
quality_flag
595422
1
Last Index Fastest
Quality flag: test pulser on (bit 0), diagnostic mode (bit 1), dead time correction >2 flag (bit 2), detector droop correction >2 flag (bit 3), dead time correction not at event time (bit 4), electrostatic attenuator problem (bit 5), attenuator change during accumulation (bit 6), mode change during accumulation (bit 7), LPW interference with data (bit 8), high background (bit 9), no background subtraction array (bit 10), missing spacecraft potential (bit 11), inflight calibration incomplete (bit 12), geometric factor problem (bit 13), ion suppression problem (bit 14), 0 (bit 15)
SignedMSB2
epoch
30
1
-32768
32767
-32767
energy
energy
604574
3
Last Index Fastest
Energy array with dimension (NSWP, NENERGY, NMASS)
IEEE754MSBSingle
eV
mass
32
1
energy
32
2
swp_index
27
3
-1.0E31
1.0E31
-1.0E31
denergy
denergy
715690
3
Last Index Fastest
Delta Energy array with dimension (NSWP, NENERGY, NMASS)
IEEE754MSBSingle
eV
mass
32
1
energy
32
2
swp_index
27
3
-1.0E31
1.0E31
-1.0E31
theta
theta
826806
3
Last Index Fastest
Angle array with with dimension (NSWP, NENERGY, NMASS)
IEEE754MSBSingle
Degrees
mass
32
1
energy
32
2
swp_index
27
3
-1.0E31
1.0E31
-1.0E31
dtheta
dtheta
937922
3
Last Index Fastest
Delta Angle array with dimension (NSWP, NENERGY, NMASS)
IEEE754MSBSingle
Degrees
mass
32
1
energy
32
2
swp_index
27
3
-1.0E31
1.0E31
-1.0E31
phi
phi
1049038
3
Last Index Fastest
Angle array with dimension (NSWP, NENERGY, NMASS)
IEEE754MSBSingle
Degrees
mass
32
1
energy
32
2
swp_index
27
3
-1.0E31
1.0E31
-1.0E31
dphi
dphi
1160154
3
Last Index Fastest
Delta Angle array with dimension (NSWP, NENERGY, NMASS)
IEEE754MSBSingle
Degrees
mass
32
1
energy
32
2
swp_index
27
3
-1.0E31
1.0E31
-1.0E31
domega
domega
1271270
3
Last Index Fastest
Delta Solid Angle array with dimension (NSWP, NENERGY, NMASS)
IEEE754MSBSingle
Steradians
mass
32
1
energy
32
2
swp_index
27
3
-1.0E31
1.0E31
-1.0E31
gf
gf
1382386
3
Last Index Fastest
Geometric Factor array with dimension (NSWP, NENERGY, NATT)
IEEE754MSBSingle
att_ind
4
1
energy
32
2
swp_index
27
3
-1.0E31
1.0E31
-1.0E31
eff
eff
1396734
3
Last Index Fastest
Efficiency array with dimension (NEFF, NENERGY, NMASS)
IEEE754MSBSingle
mass
32
1
energy
32
2
eff_index
128
3
-1.0E31
1.0E31
-1.0E31
mass_arr
mass_arr
1921546
3
Last Index Fastest
Mass array with dimension (NSWP, NENERGY, NMASS). Nominal mass of a mass bin in units of AMUs based on TOF. This array is not integer AMU.
IEEE754MSBSingle
AMU
mass
32
1
energy
32
2
swp_index
27
3
-1.0E31
1.0E31
-1.0E31
tof_arr
tof_arr
2032662
3
Last Index Fastest
Time-of-flight (TOF) array with dimension (NMLUT, NENERGY, NMASS). Gives average TOF value for mass bins.
IEEE754MSBSingle
mass
32
1
energy
32
2
mlut_index
9
3
-1.0E31
1.0E31
-1.0E31
twt_arr
twt_arr
2070050
3
Last Index Fastest
Time-of-flight Weight (TWT) array with dimension (NMLUT, NENERGY, NMASS). Gives number of TOF bins in a given mass bin. Used for normalizing a mass spectra.
IEEE754MSBSingle
mass
32
1
energy
32
2
mlut_index
9
3
-1.0E31
1.0E31
-1.0E31
D. APID c4 (4e64m) - 4 energy x 64 mass ion distributions
This sample data product label is from the MAVEN STATIC Calibrated Energy Flux:
4 Energy X 64 Mass Bins Data Collection (LID = urn:nasa:pds:maven.static.c:data.c4_4e64m).
The sample label is for the date 2015-06-24.
urn:nasa:pds:maven.static.c:data.c4_4e64m:mvn_sta_l2_c4-4e64m_20150624
3.0
MAVEN STATIC Ion Spectra for 2015-06-24
1.4.0.0
Product_Observational
McFadden, J. P.
2018
Time-ordered, fully calibrated differential energy flux in 4 energy bin x 64 mass bin arrays, summed over look direction covering 2015-06-24.
2018-05-21
3.0
This file has been updated to correct the algorithm for generating the array of look directions blocked by the spacecraft (BINS_SC), and the algorithm for generating the dead-time and detector droop correction array (DEAD) was updated to use variable background rates.
2015-06-24T17:04:05.077Z
2015-06-24T17:05:53.076Z
Science
Calibrated
Magnetosphere
Particles
Ions
Plasma
Mars Atmosphere and Volatile EvolutioN Mission
Mission
urn:nasa:pds:context:investigation:mission.maven
data_to_investigation
MAVEN
Spacecraft
urn:nasa:pds:context:instrument_host:spacecraft.maven
is_instrument_host
STATIC
Instrument
urn:nasa:pds:context:instrument:static.maven
is_instrument
Mars
Planet
urn:nasa:pds:context:target:planet.mars
data_to_target
Prime Mission
3.2010234273170004E13
3.2010241351012004E13
project_name
MAVEN
M
spacecraft
0
0
data_name
XX YYY where XX is the APID and YYY is the array abbreviation (64e2m, 32e32m, etc.)
c
apid
Application Process Identifier (APID) for the packet from which the data are taken.
c
units_name
eflux
c
units_procedure
mvn_convert_sta_units, name of IDL routine used for units conversion
m
num_dists
Number of measurements or times in the file
28
nenergy
Number of energy bins
4
nbins
Number of solid angle bins
1
nmass
Number of mass bins
64
ndef
Number of deflector angle bins
1
nanode
Number of anode bins
1
natt
Number of attenuator states: 4
4
nswp
Number of sweep tables - will increase over mission as new sweep modes are added
27
neff
Number of efficiency arrays - will increase over mission as sensor degrades
128
nmlut
Number of MLUT tables - will increase over mission as new modes are developed
9
bins
Array with dimension NBINS containing 1 OR 0 used to flag bad solid angle bins
1
geom_factor
Geometric factor of a single 22.5 degree sector
1.9567319E-4
mass
Proton mass (0.01044) in units of MeV/c2
0.010438871
charge
Proton charge (1)
1.0
dead_time_1
Dead time for processed events. Dead time corrections are generally not necessary. Corrections require use of STATIC APID DA rate packets.
420.0
dead_time_2
Dead time for rejected events. Dead time corrections are generally not necessary. Corrections require use of STATIC APID DA rate packets.
660.0
dead_time_3
Dead time for stop-no-start events. Dead time corrections are generally not necessary. Corrections require use of STATIC APID DA rate packets.
460.0
Background counts
Background counts array with dimensions (NUM_DISTS, NENERGY, NMASS)
bkg
particle_observation_to_observation_values
energy
particle_observation_to_aligned_values
denergy
particle_observation_to_aligned_values
theta
particle_observation_to_aligned_values
dtheta
particle_observation_to_aligned_values
phi
particle_observation_to_aligned_values
dphi
particle_observation_to_aligned_values
domega
particle_observation_to_aligned_values
gf
particle_observation_to_aligned_values
eff
particle_observation_to_aligned_values
mass_arr
particle_observation_to_aligned_values
tof_arr
particle_observation_to_aligned_values
twt_arr
particle_observation_to_aligned_values
Dead_time correction
Dead time correction array with dimensions (NUM_DISTS, NENERGY, NMASS), values 0.0 to 1.0, divide by this to correct.
dead
particle_observation_to_observation_values
energy
particle_observation_to_aligned_values
denergy
particle_observation_to_aligned_values
theta
particle_observation_to_aligned_values
dtheta
particle_observation_to_aligned_values
phi
particle_observation_to_aligned_values
dphi
particle_observation_to_aligned_values
domega
particle_observation_to_aligned_values
gf
particle_observation_to_aligned_values
eff
particle_observation_to_aligned_values
mass_arr
particle_observation_to_aligned_values
tof_arr
particle_observation_to_aligned_values
twt_arr
particle_observation_to_aligned_values
Data counts
Counts array with dimensions (NUM_DISTS, NENERGY, NMASS)
data
particle_observation_to_observation_values
energy
particle_observation_to_aligned_values
denergy
particle_observation_to_aligned_values
theta
particle_observation_to_aligned_values
dtheta
particle_observation_to_aligned_values
phi
particle_observation_to_aligned_values
dphi
particle_observation_to_aligned_values
domega
particle_observation_to_aligned_values
gf
particle_observation_to_aligned_values
eff
particle_observation_to_aligned_values
mass_arr
particle_observation_to_aligned_values
tof_arr
particle_observation_to_aligned_values
twt_arr
particle_observation_to_aligned_values
Energy flux
Differential energy flux array with dimensions (NUM_DISTS, NENERGY, NMASS)
eflux
particle_observation_to_observation_values
energy
particle_observation_to_aligned_values
denergy
particle_observation_to_aligned_values
theta
particle_observation_to_aligned_values
dtheta
particle_observation_to_aligned_values
phi
particle_observation_to_aligned_values
dphi
particle_observation_to_aligned_values
domega
particle_observation_to_aligned_values
gf
particle_observation_to_aligned_values
eff
particle_observation_to_aligned_values
mass_arr
particle_observation_to_aligned_values
tof_arr
particle_observation_to_aligned_values
twt_arr
particle_observation_to_aligned_values
gf
Geometric Factor array with dimension (NSWP, NENERGY, NATT)
gf
particle_observation_to_observation_values
att_ind
particle_observation_to_axis_values
1
index
particle_observation_to_axis_values
2
index
particle_observation_to_axis_values
3
energy
particle_observation_to_aligned_values
denergy
particle_observation_to_aligned_values
theta
particle_observation_to_aligned_values
dtheta
particle_observation_to_aligned_values
phi
particle_observation_to_aligned_values
dphi
particle_observation_to_aligned_values
domega
particle_observation_to_aligned_values
gf
particle_observation_to_aligned_values
eff
particle_observation_to_aligned_values
mass_arr
particle_observation_to_aligned_values
tof_arr
particle_observation_to_aligned_values
twt_arr
particle_observation_to_aligned_values
eff
Efficiency array with dimension (NEFF, NENERGY, NMASS)
eff
particle_observation_to_observation_values
index
particle_observation_to_axis_values
1
index
particle_observation_to_axis_values
2
eff_ind
particle_observation_to_axis_values
3
energy
particle_observation_to_aligned_values
denergy
particle_observation_to_aligned_values
theta
particle_observation_to_aligned_values
dtheta
particle_observation_to_aligned_values
phi
particle_observation_to_aligned_values
dphi
particle_observation_to_aligned_values
domega
particle_observation_to_aligned_values
gf
particle_observation_to_aligned_values
eff
particle_observation_to_aligned_values
mass_arr
particle_observation_to_aligned_values
tof_arr
particle_observation_to_aligned_values
twt_arr
particle_observation_to_aligned_values
time values
epoch
data_values_to_data_values
time_met
data_values_to_data_values
time_unix
data_values_to_data_values
urn:nasa:pds:maven.spice:spice_kernels:lsk_naif0012.tls::1.0
data_to_spice_kernel
This data file was processed using the SPICE leapsecond kernel: naif0012.tls.
urn:nasa:pds:maven.spice:spice_kernels:sclk_mvn_sclkscet_00055.tsc::1.0
data_to_spice_kernel
This data file was processed using the SPICE MAVEN SCLK kernel: MVN_SCLKSCET.00055.tsc.
mvn_sta_l2_c4-4e64m_20150624_v02_r00.cdf
2018-05-21T08:01:31
619545
125f01d1abb9417108ec91ec54f40f4f
CDF Header
0
404
CDF 3.4 ISTP/IACG
TT2000
epoch
85896
1
Last Index Fastest
UTC time from 01-Jan-2000 12:00:00.000 (including leap seconds), stored as an integer in nanoseconds.
SignedMSB8
nanosec
epoch
28
1
-0.0
3.595796016651621E-222
2.2152726415982762E-279
Mission Elapsed Time
time_met
86624
1
Last Index Fastest
Mission elapsed time for this data record.
IEEE754MSBDouble
sec
epoch
28
1
-1.0E31
8.5587834E8
0.0
SPICE Ephemeris Time
time_ephemeris
87352
1
Last Index Fastest
Time used by SPICE program.
IEEE754MSBDouble
sec
epoch
28
1
-1.0E31
1.293883209183998E9
4.380048671839981E8
Unix Time
time_unix
88080
1
Last Index Fastest
Unix time (elapsed seconds since 1970-01-01/00:00 without leap seconds) for this data record. This time is the center time of data collection.
IEEE754MSBDouble
sec
epoch
28
1
-1.0E31
2.24061114E9
1.3847328E9
Interval start time (unix)
time_start
88808
1
Last Index Fastest
Unix time at the start of data collection. (NUM_DISTS elements)
IEEE754MSBDouble
sec
epoch
28
1
-1.0E31
2.24061114E9
1.3847328E9
Interval end time (unix)
time_end
89536
1
Last Index Fastest
Unix time at the end of data collection. (NUM_DISTS elements)
IEEE754MSBDouble
sec
epoch
28
1
-1.0E31
2.24061114E9
1.3847328E9
Averaging time
time_delta
90264
1
Last Index Fastest
Averaging time. (TIME_DELTA = TIME_END - TIME_START).
IEEE754MSBDouble
sec
epoch
28
1
-1.0E31
1.0E31
-1.0E31
Integration time
time_integ
90992
1
Last Index Fastest
Integration time. (TIME_DELTA / (NENERGY*NDEF)).
IEEE754MSBDouble
sec
epoch
28
1
-1.0E31
1.0E31
-1.0E31
Eprom version
eprom_ver
91714
1
Last Index Fastest
An integer designating the flight EPROM version number that determines stored Real Time Sequence (RTS) commands and table loads that configure the STATIC instrument and determine energy and angle sweeps.
SignedMSB2
epoch
28
1
-32768
32767
-32767
Header
header
92270
1
Last Index Fastest
A long integer that consists of bytes 12-15 in data packet header. See MAVEN_PF_FSW_021_CTM.xls for definition of header bits. (NUM_DISTS elements)
SignedMSB4
epoch
28
1
-2147483648
2147483647
-2147483647
Valid flag
valid
92880
1
Last Index Fastest
Validity flag codes valid data (bit 0), test pulser on (bit 1), diagnostic mode (bit 2), data compression type (bit 3-4), packet compression (bit 5) (NUM_DISTS elements)
SignedMSB2
epoch
28
1
-32768
32767
-32767
Mode number
mode
93434
1
Last Index Fastest
Decoded mode number: 1=ram, 2=conic, 3=pickup, 4=scan, 5=eclipse, 6=protect
SignedMSB2
epoch
28
1
-32768
32767
-32767
Telemetry rate number
rate
93988
1
Last Index Fastest
Decoded telemetry rate number. (NUM_DISTS elements)
SignedMSB2
epoch
28
1
-32768
32767
-32767
Sweep index
swp_ind
94542
1
Last Index Fastest
Index that identifies the energy and deflector sweep look up tables (LUT) for the sensor. SWP_IND is an index that selects the following support data arrays: ENERGY, DENERGY, THETA, DTHETA, PHI, DPHI, DOMEGA, GF and MASS_ARR. (NUM_DISTS elements), SWP_IND Le NSWP
SignedMSB2
epoch
28
1
-32768
32767
-32767
MLUT index
mlut_ind
95096
1
Last Index Fastest
Index that identifies the onboard mass look up table (MLUT). MLUT_IND is an index that selects the following support data: TOF_ARR. (NUM_DISTS elements) MLUT Le NMLUT
SignedMSB2
epoch
28
1
-32768
32767
-32767
Efficiency index
eff_ind
95650
1
Last Index Fastest
Index that identifies the efficiency calibration table to be used. EFF_IND is an index that selects the following support data: EFF. (NUM_DISTS elements) EFF_IND Le NEFF
SignedMSB2
epoch
28
1
-32768
32767
-32767
Attenuator state
att_ind
96204
1
Last Index Fastest
Index that identifies the attenuator state (0 = no attenuation, 1 = electrostatic attenuation, 2 = mechanical attenuation, 3 = mechanical and electrostatic attenuation). (NUM_DISTS elements)
SignedMSB2
epoch
28
1
-32768
32767
-32767
Spacecraft potential
sc_pot
96760
1
Last Index Fastest
Spacecraft potential
IEEE754MSBSingle
volts
epoch
28
1
-1.0E31
1.0E31
-1.0E31
Magnetic field
magf
97380
2
Last Index Fastest
Magnetic field vector with dimension (3) in STATIC coordinates
IEEE754MSBSingle
nT
epoch
28
1
vector_components
3
2
-1.0E31
1.0E31
-1.0E31
Quaternion to SC
quat_sc
98224
2
Last Index Fastest
Quaternion elements to rotate from STATIC coordinates (same as APP coordinates) to SC coordinates (NUM_DISTS, 3)
IEEE754MSBSingle
epoch
28
1
quaternion_elements
4
2
-1.0E31
1.0E31
-1.0E31
Quaternion to MSO
quat_mso
99180
2
Last Index Fastest
Quaternion elements to rotate from STATIC coordinates (same as APP coordinates) to MSO coordinates (NUM_DISTS, 3)
IEEE754MSBSingle
epoch
28
1
quaternion_elements
4
2
-1.0E31
1.0E31
-1.0E31
Bins flag
bins_sc
100126
1
Last Index Fastest
Integer array of 1s and 0s with dimension (NBINS) Used to identify angle bins that include (value=0) spacecraft surfaces. If NBINS=1, then BINS_SC is set to 1. Values=0 indicates a solid angle bin with more than 50% blockage by the spacecraft.
SignedMSB2
epoch
28
1
-32768
32767
-32767
SC position MSO
pos_sc_mso
100690
2
Last Index Fastest
Spacecraft position in MSO coordinates with dimension (NUM_DISTS, 3)
IEEE754MSBSingle
epoch
28
1
vector_components
3
2
-1.0E31
1.0E31
-1.0E31
Background counts
bkg
101542
3
Last Index Fastest
Background counts array with dimensions (NUM_DISTS, NENERGY, NMASS)
IEEE754MSBSingle
Counts
epoch
28
1
mass
64
2
energy
4
3
-1.0E31
1.0E31
-1.0E31
Dead_time correction
dead
130730
3
Last Index Fastest
Dead time correction array with dimensions (NUM_DISTS, NENERGY, NMASS), values 0.0 to 1.0, divide by this to correct.
IEEE754MSBSingle
epoch
28
1
mass
64
2
energy
4
3
-1.0E31
1.0E31
-1.0E31
Data counts
data
159918
3
Last Index Fastest
Counts array with dimensions (NUM_DISTS, NENERGY, NMASS)
IEEE754MSBSingle
Counts
epoch
28
1
mass
64
2
energy
4
3
-1.0E31
1.0E31
-1.0E31
Energy flux
eflux
189106
3
Last Index Fastest
Differential energy flux array with dimensions (NUM_DISTS, NENERGY, NMASS)
IEEE754MSBSingle
eV/sr/sec
epoch
28
1
mass
64
2
energy
4
3
-1.0E31
1.0E31
-1.0E31
Quality flag
quality_flag
218276
1
Last Index Fastest
Quality flag: test pulser on (bit 0), diagnostic mode (bit 1), dead time correction >2 flag (bit 2), detector droop correction >2 flag (bit 3), dead time correction not at event time (bit 4), electrostatic attenuator problem (bit 5), attenuator change during accumulation (bit 6), mode change during accumulation (bit 7), LPW interference with data (bit 8), high background (bit 9), no background subtraction array (bit 10), missing spacecraft potential (bit 11), inflight calibration incomplete (bit 12), geometric factor problem (bit 13), ion suppression problem (bit 14), 0 (bit 15)
SignedMSB2
epoch
28
1
-32768
32767
-32767
energy
energy
227422
3
Last Index Fastest
Energy array with dimension (NSWP, NENERGY, NMASS)
IEEE754MSBSingle
eV
mass
64
1
energy
4
2
swp_index
27
3
-1.0E31
1.0E31
-1.0E31
denergy
denergy
255594
3
Last Index Fastest
Delta Energy array with dimension (NSWP, NENERGY, NMASS)
IEEE754MSBSingle
eV
mass
64
1
energy
4
2
swp_index
27
3
-1.0E31
1.0E31
-1.0E31
theta
theta
283766
3
Last Index Fastest
Angle array with with dimension (NSWP, NENERGY, NMASS)
IEEE754MSBSingle
Degrees
mass
64
1
energy
4
2
swp_index
27
3
-1.0E31
1.0E31
-1.0E31
dtheta
dtheta
311938
3
Last Index Fastest
Delta Angle array with dimension (NSWP, NENERGY, NMASS)
IEEE754MSBSingle
Degrees
mass
64
1
energy
4
2
swp_index
27
3
-1.0E31
1.0E31
-1.0E31
phi
phi
340110
3
Last Index Fastest
Angle array with dimension (NSWP, NENERGY, NMASS)
IEEE754MSBSingle
Degrees
mass
64
1
energy
4
2
swp_index
27
3
-1.0E31
1.0E31
-1.0E31
dphi
dphi
368282
3
Last Index Fastest
Delta Angle array with dimension (NSWP, NENERGY, NMASS)
IEEE754MSBSingle
Degrees
mass
64
1
energy
4
2
swp_index
27
3
-1.0E31
1.0E31
-1.0E31
domega
domega
396454
3
Last Index Fastest
Delta Solid Angle array with dimension (NSWP, NENERGY, NMASS)
IEEE754MSBSingle
Steradians
mass
64
1
energy
4
2
swp_index
27
3
-1.0E31
1.0E31
-1.0E31
gf
gf
424626
3
Last Index Fastest
Geometric Factor array with dimension (NSWP, NENERGY, NATT)
IEEE754MSBSingle
att_ind
4
1
energy
4
2
swp_index
27
3
-1.0E31
1.0E31
-1.0E31
eff
eff
426878
3
Last Index Fastest
Efficiency array with dimension (NEFF, NENERGY, NMASS)
IEEE754MSBSingle
mass
64
1
energy
4
2
eff_index
128
3
-1.0E31
1.0E31
-1.0E31
mass_arr
mass_arr
558474
3
Last Index Fastest
Mass array with dimension (NSWP, NENERGY, NMASS). Nominal mass of a mass bin in units of AMUs based on TOF. This array is not integer AMU.
IEEE754MSBSingle
AMU
mass
64
1
energy
4
2
swp_index
27
3
-1.0E31
1.0E31
-1.0E31
tof_arr
tof_arr
586646
3
Last Index Fastest
Time-of-flight (TOF) array with dimension (NMLUT, NENERGY, NMASS). Gives average TOF value for mass bins.
IEEE754MSBSingle
mass
64
1
energy
4
2
mlut_index
9
3
-1.0E31
1.0E31
-1.0E31
twt_arr
twt_arr
596386
3
Last Index Fastest
Time-of-flight Weight (TWT) array with dimension (NMLUT, NENERGY, NMASS). Gives number of TOF bins in a given mass bin. Used for normalizing a mass spectra.
IEEE754MSBSingle
mass
64
1
energy
4
2
mlut_index
9
3
-1.0E31
1.0E31
-1.0E31
E. APID c6 (32e64m) - 32 energy x 64 mass ion distributions
This sample data product label is from the MAVEN STATIC Calibrated Energy Flux:
32 Energy X 64 Mass Bins Data Collection (LID = urn:nasa:pds:maven.static.c:data.c6_32e64m).
The sample label is for the date 2018-12-20.
urn:nasa:pds:maven.static.c:data.c6_32e64m:mvn_sta_l2_c6-32e64m_20181202
1.0
MAVEN STATIC Ion Spectra for 2018-12-02
1.4.0.0
Product_Observational
McFadden, J. P.
2019
Time-ordered, fully calibrated differential energy flux in 32 energy bin x 64 mass bin arrays, summed over look direction covering 2018-12-02.
2019-05-07
1.0
Initial Verion
2018-12-02T00:00:03.743Z
2018-12-02T23:59:59.507Z
Science
Calibrated
Magnetosphere
Particles
Ions
Plasma
Mars Atmosphere and Volatile EvolutioN Mission
Mission
urn:nasa:pds:context:investigation:mission.maven
data_to_investigation
MAVEN
Spacecraft
urn:nasa:pds:context:instrument_host:spacecraft.maven
is_instrument_host
STATIC
Instrument
urn:nasa:pds:context:instrument:static.maven
is_instrument
Mars
Planet
urn:nasa:pds:context:target:planet.mars
data_to_target
EM-3
3.912372625098799E13
3.9129388279252E13
project_name
MAVEN
M
spacecraft
0
0
data_name
XX YYY where XX is the APID and YYY is the array abbreviation (64e2m, 32e32m, etc.)
c
apid
Application Process Identifier (APID) for the packet from which the data are taken.
c
units_name
eflux
c
units_procedure
mvn_convert_sta_units, name of IDL routine used for units conversion
m
num_dists
Number of measurements or times in the file
21600
nenergy
Number of energy bins
32
nbins
Number of solid angle bins
1
nmass
Number of mass bins
64
ndef
Number of deflector angle bins
1
nanode
Number of anode bins
1
natt
Number of attenuator states: 4
4
nswp
Number of sweep tables - will increase over mission as new sweep modes are added
28
neff
Number of efficiency arrays - will increase over mission as sensor degrades
128
nmlut
Number of MLUT tables - will increase over mission as new modes are developed
9
bins
Array with dimension NBINS containing 1 OR 0 used to flag bad solid angle bins
1
geom_factor
Geometric factor of a single 22.5 degree sector
1.9567319E-4
mass
Proton mass (0.01044) in units of MeV/c2
0.010438871
charge
Proton charge (1)
1.0
dead_time_1
Dead time for processed events. Dead time corrections are generally not necessary. Corrections require use of STATIC APID DA rate packets.
420.0
dead_time_2
Dead time for rejected events. Dead time corrections are generally not necessary. Corrections require use of STATIC APID DA rate packets.
660.0
dead_time_3
Dead time for stop-no-start events. Dead time corrections are generally not necessary. Corrections require use of STATIC APID DA rate packets.
460.0
Background counts
Background counts array with dimensions (NUM_DISTS, NENERGY, NMASS)
bkg
particle_observation_to_observation_values
energy
particle_observation_to_aligned_values
denergy
particle_observation_to_aligned_values
theta
particle_observation_to_aligned_values
dtheta
particle_observation_to_aligned_values
phi
particle_observation_to_aligned_values
dphi
particle_observation_to_aligned_values
domega
particle_observation_to_aligned_values
gf
particle_observation_to_aligned_values
eff
particle_observation_to_aligned_values
mass_arr
particle_observation_to_aligned_values
tof_arr
particle_observation_to_aligned_values
twt_arr
particle_observation_to_aligned_values
Dead_time correction
Dead time correction array with dimensions (NUM_DISTS, NENERGY, NMASS), values 0.0 to 1.0, divide by this to correct.
dead
particle_observation_to_observation_values
energy
particle_observation_to_aligned_values
denergy
particle_observation_to_aligned_values
theta
particle_observation_to_aligned_values
dtheta
particle_observation_to_aligned_values
phi
particle_observation_to_aligned_values
dphi
particle_observation_to_aligned_values
domega
particle_observation_to_aligned_values
gf
particle_observation_to_aligned_values
eff
particle_observation_to_aligned_values
mass_arr
particle_observation_to_aligned_values
tof_arr
particle_observation_to_aligned_values
twt_arr
particle_observation_to_aligned_values
Data counts
Counts array with dimensions (NUM_DISTS, NENERGY, NMASS)
data
particle_observation_to_observation_values
energy
particle_observation_to_aligned_values
denergy
particle_observation_to_aligned_values
theta
particle_observation_to_aligned_values
dtheta
particle_observation_to_aligned_values
phi
particle_observation_to_aligned_values
dphi
particle_observation_to_aligned_values
domega
particle_observation_to_aligned_values
gf
particle_observation_to_aligned_values
eff
particle_observation_to_aligned_values
mass_arr
particle_observation_to_aligned_values
tof_arr
particle_observation_to_aligned_values
twt_arr
particle_observation_to_aligned_values
Energy flux
Differential energy flux array with dimensions (NUM_DISTS, NENERGY, NMASS)
eflux
particle_observation_to_observation_values
energy
particle_observation_to_aligned_values
denergy
particle_observation_to_aligned_values
theta
particle_observation_to_aligned_values
dtheta
particle_observation_to_aligned_values
phi
particle_observation_to_aligned_values
dphi
particle_observation_to_aligned_values
domega
particle_observation_to_aligned_values
gf
particle_observation_to_aligned_values
eff
particle_observation_to_aligned_values
mass_arr
particle_observation_to_aligned_values
tof_arr
particle_observation_to_aligned_values
twt_arr
particle_observation_to_aligned_values
gf
Geometric Factor array with dimension (NSWP, NENERGY, NATT)
gf
particle_observation_to_observation_values
att_ind
particle_observation_to_axis_values
1
index
particle_observation_to_axis_values
2
index
particle_observation_to_axis_values
3
energy
particle_observation_to_aligned_values
denergy
particle_observation_to_aligned_values
theta
particle_observation_to_aligned_values
dtheta
particle_observation_to_aligned_values
phi
particle_observation_to_aligned_values
dphi
particle_observation_to_aligned_values
domega
particle_observation_to_aligned_values
gf
particle_observation_to_aligned_values
eff
particle_observation_to_aligned_values
mass_arr
particle_observation_to_aligned_values
tof_arr
particle_observation_to_aligned_values
twt_arr
particle_observation_to_aligned_values
eff
Efficiency array with dimension (NEFF, NENERGY, NMASS)
eff
particle_observation_to_observation_values
index
particle_observation_to_axis_values
1
index
particle_observation_to_axis_values
2
eff_ind
particle_observation_to_axis_values
3
energy
particle_observation_to_aligned_values
denergy
particle_observation_to_aligned_values
theta
particle_observation_to_aligned_values
dtheta
particle_observation_to_aligned_values
phi
particle_observation_to_aligned_values
dphi
particle_observation_to_aligned_values
domega
particle_observation_to_aligned_values
gf
particle_observation_to_aligned_values
eff
particle_observation_to_aligned_values
mass_arr
particle_observation_to_aligned_values
tof_arr
particle_observation_to_aligned_values
twt_arr
particle_observation_to_aligned_values
time values
epoch
data_values_to_data_values
time_met
data_values_to_data_values
time_unix
data_values_to_data_values
urn:nasa:pds:maven.spice:spice_kernels:lsk_naif0012.tls::1.0
data_to_spice_kernel
This data file was processed using the SPICE leapsecond kernel: naif0012.tls.
urn:nasa:pds:maven.spice:spice_kernels:sclk_mvn_sclkscet_00065.tsc::1.0
data_to_spice_kernel
This data file was processed using the SPICE MAVEN SCLK kernel: MVN_SCLKSCET.00065.tsc.
mvn_sta_l2_c6-32e64m_20181202_v02_r08.cdf
2019-05-07T23:36:56
714161836
785b47824c68049fa94fd7a58591cea7
CDF Header
0
404
CDF 3.4 ISTP/IACG
TT2000
epoch
86411
1
Last Index Fastest
UTC time from 01-Jan-2000 12:00:00.000 (including leap seconds), stored as an integer in nanoseconds.
SignedMSB8
nanosec
epoch
21600
1
-0.0
3.595796016651621E-222
2.2152726415982762E-279
Mission Elapsed Time
time_met
259715
1
Last Index Fastest
Mission elapsed time for this data record.
IEEE754MSBDouble
sec
epoch
21600
1
-1.0E31
8.5587834E8
0.0
SPICE Ephemeris Time
time_ephemeris
433019
1
Last Index Fastest
Time used by SPICE program.
IEEE754MSBDouble
sec
epoch
21600
1
-1.0E31
1.293883209183998E9
4.380048671839981E8
Unix Time
time_unix
606323
1
Last Index Fastest
Unix time (elapsed seconds since 1970-01-01/00:00 without leap seconds) for this data record. This time is the center time of data collection.
IEEE754MSBDouble
sec
epoch
21600
1
-1.0E31
2.24061114E9
1.3847328E9
Interval start time (unix)
time_start
779627
1
Last Index Fastest
Unix time at the start of data collection. (NUM_DISTS elements)
IEEE754MSBDouble
sec
epoch
21600
1
-1.0E31
2.24061114E9
1.3847328E9
Interval end time (unix)
time_end
952931
1
Last Index Fastest
Unix time at the end of data collection. (NUM_DISTS elements)
IEEE754MSBDouble
sec
epoch
21600
1
-1.0E31
2.24061114E9
1.3847328E9
Averaging time
time_delta
1126235
1
Last Index Fastest
Averaging time. (TIME_DELTA = TIME_END - TIME_START).
IEEE754MSBDouble
sec
epoch
21600
1
-1.0E31
1.0E31
-1.0E31
Integration time
time_integ
1299539
1
Last Index Fastest
Integration time. (TIME_DELTA / (NENERGY*NDEF)).
IEEE754MSBDouble
sec
epoch
21600
1
-1.0E31
1.0E31
-1.0E31
Eprom version
eprom_ver
1472837
1
Last Index Fastest
An integer designating the flight EPROM version number that determines stored Real Time Sequence (RTS) commands and table loads that configure the STATIC instrument and determine energy and angle sweeps.
SignedMSB2
epoch
21600
1
-32768
32767
-32767
Header
header
1516537
1
Last Index Fastest
A long integer that consists of bytes 12-15 in data packet header. See MAVEN_PF_FSW_021_CTM.xls for definition of header bits. (NUM_DISTS elements)
SignedMSB4
epoch
21600
1
-2147483648
2147483647
-2147483647
Valid flag
valid
1603435
1
Last Index Fastest
Validity flag codes valid data (bit 0), test pulser on (bit 1), diagnostic mode (bit 2), data compression type (bit 3-4), packet compression (bit 5) (NUM_DISTS elements)
SignedMSB2
epoch
21600
1
-32768
32767
-32767
Mode number
mode
1647133
1
Last Index Fastest
Decoded mode number: 1=ram, 2=conic, 3=pickup, 4=scan, 5=eclipse, 6=protect
SignedMSB2
epoch
21600
1
-32768
32767
-32767
Telemetry rate number
rate
1690831
1
Last Index Fastest
Decoded telemetry rate number. (NUM_DISTS elements)
SignedMSB2
epoch
21600
1
-32768
32767
-32767
Sweep index
swp_ind
1734529
1
Last Index Fastest
Index that identifies the energy and deflector sweep look up tables (LUT) for the sensor. SWP_IND is an index that selects the following support data arrays: ENERGY, DENERGY, THETA, DTHETA, PHI, DPHI, DOMEGA, GF and MASS_ARR. (NUM_DISTS elements), SWP_IND Le NSWP
SignedMSB2
epoch
21600
1
-32768
32767
-32767
MLUT index
mlut_ind
1778227
1
Last Index Fastest
Index that identifies the onboard mass look up table (MLUT). MLUT_IND is an index that selects the following support data: TOF_ARR. (NUM_DISTS elements) MLUT Le NMLUT
SignedMSB2
epoch
21600
1
-32768
32767
-32767
Efficiency index
eff_ind
1821925
1
Last Index Fastest
Index that identifies the efficiency calibration table to be used. EFF_IND is an index that selects the following support data: EFF. (NUM_DISTS elements) EFF_IND Le NEFF
SignedMSB2
epoch
21600
1
-32768
32767
-32767
Attenuator state
att_ind
1865623
1
Last Index Fastest
Index that identifies the attenuator state (0 = no attenuation, 1 = electrostatic attenuation, 2 = mechanical attenuation, 3 = mechanical and electrostatic attenuation). (NUM_DISTS elements)
SignedMSB2
epoch
21600
1
-32768
32767
-32767
Spacecraft potential
sc_pot
1909323
1
Last Index Fastest
Spacecraft potential
IEEE754MSBSingle
volts
epoch
21600
1
-1.0E31
1.0E31
-1.0E31
Magnetic field
magf
1996231
2
Last Index Fastest
Magnetic field vector with dimension (3) in STATIC coordinates
IEEE754MSBSingle
nT
epoch
21600
1
vector_components
3
2
-1.0E31
1.0E31
-1.0E31
Quaternion to SC
quat_sc
2255939
2
Last Index Fastest
Quaternion elements to rotate from STATIC coordinates (same as APP coordinates) to SC coordinates (NUM_DISTS, 3)
IEEE754MSBSingle
epoch
21600
1
quaternion_elements
4
2
-1.0E31
1.0E31
-1.0E31
Quaternion to MSO
quat_mso
2602047
2
Last Index Fastest
Quaternion elements to rotate from STATIC coordinates (same as APP coordinates) to MSO coordinates (NUM_DISTS, 3)
IEEE754MSBSingle
epoch
21600
1
quaternion_elements
4
2
-1.0E31
1.0E31
-1.0E31
Bins flag
bins_sc
2948145
1
Last Index Fastest
Integer array of 1s and 0s with dimension (NBINS) Used to identify angle bins that include (value=0) spacecraft surfaces. If NBINS=1, then BINS_SC is set to 1. Values=0 indicates a solid angle bin with more than 50% blockage by the spacecraft.
SignedMSB2
epoch
21600
1
-32768
32767
-32767
SC position MSO
pos_sc_mso
2991853
2
Last Index Fastest
Spacecraft position in MSO coordinates with dimension (NUM_DISTS, 3)
IEEE754MSBSingle
epoch
21600
1
vector_components
3
2
-1.0E31
1.0E31
-1.0E31
Background counts
bkg
3251569
3
Last Index Fastest
Background counts array with dimensions (NUM_DISTS, NENERGY, NMASS)
IEEE754MSBSingle
Counts
epoch
21600
1
mass
64
2
energy
32
3
-1.0E31
1.0E31
-1.0E31
Dead_time correction
dead
180199285
3
Last Index Fastest
Dead time correction array with dimensions (NUM_DISTS, NENERGY, NMASS), values 0.0 to 1.0, divide by this to correct.
IEEE754MSBSingle
epoch
21600
1
mass
64
2
energy
32
3
-1.0E31
1.0E31
-1.0E31
Data counts
data
357147001
3
Last Index Fastest
Counts array with dimensions (NUM_DISTS, NENERGY, NMASS)
IEEE754MSBSingle
Counts
epoch
21600
1
mass
64
2
energy
32
3
-1.0E31
1.0E31
-1.0E31
Energy flux
eflux
534094717
3
Last Index Fastest
Differential energy flux array with dimensions (NUM_DISTS, NENERGY, NMASS)
IEEE754MSBSingle
eV/(cm^2-s-sr-eV)
epoch
21600
1
mass
64
2
energy
32
3
-1.0E31
1.0E31
-1.0E31
Quality flag
quality_flag
711042415
1
Last Index Fastest
Quality flag: test pulser on (bit 0), diagnostic mode (bit 1), dead time correction greater than 2 flag (bit 2), detector droop correction greater than 2 flag (bit 3), dead time correction not at event time (bit 4), electrostatic attenuator problem (bit 5), attenuator change during accumulation (bit 6), mode change during accumulation (bit 7), LPW interference with data (bit 8), high background (bit 9), no background subtraction array (bit 10), missing spacecraft potential (bit 11), inflight calibration incomplete (bit 12), geometric factor problem (bit 13), ion suppression problem (bit 14), 0 (bit 15)
SignedMSB2
epoch
21600
1
-32768
32767
-32767
energy
energy
711094707
3
Last Index Fastest
Energy array with dimension (NSWP, NENERGY, NMASS)
IEEE754MSBSingle
eV
mass
64
1
energy
32
2
swp_index
28
3
-1.0E31
1.0E31
-1.0E31
denergy
denergy
711324607
3
Last Index Fastest
Delta Energy array with dimension (NSWP, NENERGY, NMASS)
IEEE754MSBSingle
eV
mass
64
1
energy
32
2
swp_index
28
3
-1.0E31
1.0E31
-1.0E31
theta
theta
711554507
3
Last Index Fastest
Angle array with with dimension (NSWP, NENERGY, NMASS)
IEEE754MSBSingle
Degrees
mass
64
1
energy
32
2
swp_index
28
3
-1.0E31
1.0E31
-1.0E31
dtheta
dtheta
711784407
3
Last Index Fastest
Delta Angle array with dimension (NSWP, NENERGY, NMASS)
IEEE754MSBSingle
Degrees
mass
64
1
energy
32
2
swp_index
28
3
-1.0E31
1.0E31
-1.0E31
phi
phi
712014307
3
Last Index Fastest
Angle array with dimension (NSWP, NENERGY, NMASS)
IEEE754MSBSingle
Degrees
mass
64
1
energy
32
2
swp_index
28
3
-1.0E31
1.0E31
-1.0E31
dphi
dphi
712244207
3
Last Index Fastest
Delta Angle array with dimension (NSWP, NENERGY, NMASS)
IEEE754MSBSingle
Degrees
mass
64
1
energy
32
2
swp_index
28
3
-1.0E31
1.0E31
-1.0E31
domega
domega
712474107
3
Last Index Fastest
Delta Solid Angle array with dimension (NSWP, NENERGY, NMASS)
IEEE754MSBSingle
Steradians
mass
64
1
energy
32
2
swp_index
28
3
-1.0E31
1.0E31
-1.0E31
gf
gf
712704007
3
Last Index Fastest
Geometric Factor array with dimension (NSWP, NENERGY, NATT)
IEEE754MSBSingle
att_ind
4
1
energy
32
2
swp_index
28
3
-1.0E31
1.0E31
-1.0E31
eff
eff
712718867
3
Last Index Fastest
Efficiency array with dimension (NEFF, NENERGY, NMASS)
IEEE754MSBSingle
mass
64
1
energy
32
2
eff_index
128
3
-1.0E31
1.0E31
-1.0E31
mass_arr
mass_arr
713767967
3
Last Index Fastest
Mass array with dimension (NSWP, NENERGY, NMASS). Nominal mass of a mass bin in units of AMUs based on TOF. This array is not integer AMU.
IEEE754MSBSingle
AMU
mass
64
1
energy
32
2
swp_index
28
3
-1.0E31
1.0E31
-1.0E31
tof_arr
tof_arr
713997867
3
Last Index Fastest
Time-of-flight (TOF) array with dimension (NMLUT, NENERGY, NMASS). Gives average TOF value for mass bins.
IEEE754MSBSingle
mass
64
1
energy
32
2
mlut_index
9
3
-1.0E31
1.0E31
-1.0E31
twt_arr
twt_arr
714072119
3
Last Index Fastest
Time-of-flight Weight (TWT) array with dimension (NMLUT, NENERGY, NMASS). Gives number of TOF bins in a given mass bin. Used for normalizing a mass spectra.
IEEE754MSBSingle
mass
64
1
energy
32
2
mlut_index
9
3
-1.0E31
1.0E31
-1.0E31
F. APID c8 (32e16d) - 32 energy x 16 deflection ion distributions
This sample data product label is from the MAVEN STATIC Calibrated Energy Flux:
32 Energy X 16 Solid Angle Bins Data Collection (LID = urn:nasa:pds:maven.static.c:data.c8_32e16d).
The sample label is for the date 2018-12-02.
urn:nasa:pds:maven.static.c:data.c8_32e16d:mvn_sta_l2_c8-32e16d_20181202
1.0
MAVEN STATIC Ion Spectra for 2018-12-02
1.4.0.0
Product_Observational
McFadden, J. P.
2019
Time-ordered, fully calibrated differential energy flux in 32 energy bin x 16 solid angle bin arrays (16 deflection angles and summed over anodes, but assumed that counts are from anode 7 in the ram direction), summed over mass assuming O2+ covering 2018-12-02.
2019-05-07
1.0
Initial Verion
2018-12-02T00:00:03.743Z
2018-12-02T23:59:59.507Z
Science
Calibrated
Magnetosphere
Particles
Ions
Plasma
Mars Atmosphere and Volatile EvolutioN Mission
Mission
urn:nasa:pds:context:investigation:mission.maven
data_to_investigation
MAVEN
Spacecraft
urn:nasa:pds:context:instrument_host:spacecraft.maven
is_instrument_host
STATIC
Instrument
urn:nasa:pds:context:instrument:static.maven
is_instrument
Mars
Planet
urn:nasa:pds:context:target:planet.mars
data_to_target
EM-3
3.912372625098799E13
3.9129388279252E13
project_name
MAVEN
M
spacecraft
0
0
data_name
XX YYY where XX is the APID and YYY is the array abbreviation (64e2m, 32e32m, etc.)
c
apid
Application Process Identifier (APID) for the packet from which the data are taken.
c
units_name
eflux
c
units_procedure
mvn_convert_sta_units, name of IDL routine used for units conversion
m
num_dists
Number of measurements or times in the file
21100
nenergy
Number of energy bins
32
nbins
Number of solid angle bins
16
nmass
Number of mass bins
1
ndef
Number of deflector angle bins
16
nanode
Number of anode bins
1
natt
Number of attenuator states: 4
4
nswp
Number of sweep tables - will increase over mission as new sweep modes are added
28
neff
Number of efficiency arrays - will increase over mission as sensor degrades
128
nmlut
Number of MLUT tables - will increase over mission as new modes are developed
9
geom_factor
Geometric factor of a single 22.5 degree sector
1.9567319E-4
mass
Proton mass (0.01044) in units of MeV/c2
0.010438871
charge
Proton charge (1)
1.0
dead_time_1
Dead time for processed events. Dead time corrections are generally not necessary. Corrections require use of STATIC APID DA rate packets.
420.0
dead_time_2
Dead time for rejected events. Dead time corrections are generally not necessary. Corrections require use of STATIC APID DA rate packets.
660.0
dead_time_3
Dead time for stop-no-start events. Dead time corrections are generally not necessary. Corrections require use of STATIC APID DA rate packets.
460.0
Background counts
Background counts array with dimensions (NUM_DISTS, NENERGY, NBINS, NMASS)
bkg
particle_observation_to_observation_values
energy
particle_observation_to_aligned_values
denergy
particle_observation_to_aligned_values
theta
particle_observation_to_aligned_values
dtheta
particle_observation_to_aligned_values
phi
particle_observation_to_aligned_values
dphi
particle_observation_to_aligned_values
domega
particle_observation_to_aligned_values
gf
particle_observation_to_aligned_values
eff
particle_observation_to_aligned_values
mass_arr
particle_observation_to_aligned_values
tof_arr
particle_observation_to_aligned_values
twt_arr
particle_observation_to_aligned_values
Dead_time correction
Dead time correction array with dimensions (NUM_DISTS, NENERGY, NBINS, NMASS), values 0.0 to 1.0, divide by this to correct.
dead
particle_observation_to_observation_values
energy
particle_observation_to_aligned_values
denergy
particle_observation_to_aligned_values
theta
particle_observation_to_aligned_values
dtheta
particle_observation_to_aligned_values
phi
particle_observation_to_aligned_values
dphi
particle_observation_to_aligned_values
domega
particle_observation_to_aligned_values
gf
particle_observation_to_aligned_values
eff
particle_observation_to_aligned_values
mass_arr
particle_observation_to_aligned_values
tof_arr
particle_observation_to_aligned_values
twt_arr
particle_observation_to_aligned_values
Data counts
Counts array with dimensions (NUM_DISTS, NENERGY, NBINS, NMASS)
data
particle_observation_to_observation_values
energy
particle_observation_to_aligned_values
denergy
particle_observation_to_aligned_values
theta
particle_observation_to_aligned_values
dtheta
particle_observation_to_aligned_values
phi
particle_observation_to_aligned_values
dphi
particle_observation_to_aligned_values
domega
particle_observation_to_aligned_values
gf
particle_observation_to_aligned_values
eff
particle_observation_to_aligned_values
mass_arr
particle_observation_to_aligned_values
tof_arr
particle_observation_to_aligned_values
twt_arr
particle_observation_to_aligned_values
Energy flux
Differential energy flux array with dimensions (NUM_DISTS, NENERGY, NBINS, NMASS)
eflux
particle_observation_to_observation_values
energy
particle_observation_to_aligned_values
denergy
particle_observation_to_aligned_values
theta
particle_observation_to_aligned_values
dtheta
particle_observation_to_aligned_values
phi
particle_observation_to_aligned_values
dphi
particle_observation_to_aligned_values
domega
particle_observation_to_aligned_values
gf
particle_observation_to_aligned_values
eff
particle_observation_to_aligned_values
mass_arr
particle_observation_to_aligned_values
tof_arr
particle_observation_to_aligned_values
twt_arr
particle_observation_to_aligned_values
gf
Geometric Factor array with dimension (NSWP, NENERGY, NBINS, NMASS)
gf
particle_observation_to_observation_values
att_ind
particle_observation_to_axis_values
1
index
particle_observation_to_axis_values
2
index
particle_observation_to_axis_values
3
energy
particle_observation_to_aligned_values
denergy
particle_observation_to_aligned_values
theta
particle_observation_to_aligned_values
dtheta
particle_observation_to_aligned_values
phi
particle_observation_to_aligned_values
dphi
particle_observation_to_aligned_values
domega
particle_observation_to_aligned_values
gf
particle_observation_to_aligned_values
eff
particle_observation_to_aligned_values
mass_arr
particle_observation_to_aligned_values
tof_arr
particle_observation_to_aligned_values
twt_arr
particle_observation_to_aligned_values
eff
Efficiency array with dimension (NEFF, NENERGY, NBINS, NMASS)
eff
particle_observation_to_observation_values
index
particle_observation_to_axis_values
1
index
particle_observation_to_axis_values
2
eff_ind
particle_observation_to_axis_values
3
energy
particle_observation_to_aligned_values
denergy
particle_observation_to_aligned_values
theta
particle_observation_to_aligned_values
dtheta
particle_observation_to_aligned_values
phi
particle_observation_to_aligned_values
dphi
particle_observation_to_aligned_values
domega
particle_observation_to_aligned_values
gf
particle_observation_to_aligned_values
eff
particle_observation_to_aligned_values
mass_arr
particle_observation_to_aligned_values
tof_arr
particle_observation_to_aligned_values
twt_arr
particle_observation_to_aligned_values
time values
epoch
data_values_to_data_values
time_met
data_values_to_data_values
time_unix
data_values_to_data_values
urn:nasa:pds:maven.spice:spice_kernels:lsk_naif0012.tls::1.0
data_to_spice_kernel
This data file was processed using the SPICE leapsecond kernel: naif0012.tls.
urn:nasa:pds:maven.spice:spice_kernels:sclk_mvn_sclkscet_00065.tsc::1.0
data_to_spice_kernel
This data file was processed using the SPICE MAVEN SCLK kernel: MVN_SCLKSCET.00065.tsc.
mvn_sta_l2_c8-32e16d_20181202_v02_r08.cdf
2019-05-07T23:50:59
177722874
0db0cd9197cdc4ba3acbac5fa5e72314
CDF Header
0
404
CDF 3.4 ISTP/IACG
TT2000
epoch
86511
1
Last Index Fastest
UTC time from 01-Jan-2000 12:00:00.000 (including leap seconds), stored as an integer in nanoseconds.
SignedMSB8
nanosec
epoch
21100
1
-0.0
3.595796016651621E-222
2.2152726415982762E-279
Mission Elapsed Time
time_met
255815
1
Last Index Fastest
Mission elapsed time for this data record.
IEEE754MSBDouble
sec
epoch
21100
1
-1.0E31
8.5587834E8
0.0
SPICE Ephemeris Time
time_ephemeris
425119
1
Last Index Fastest
Time used by SPICE program.
IEEE754MSBDouble
sec
epoch
21100
1
-1.0E31
1.293883209183998E9
4.380048671839981E8
Unix Time
time_unix
594423
1
Last Index Fastest
Unix time (elapsed seconds since 1970-01-01/00:00 without leap seconds) for this data record. This time is the center time of data collection.
IEEE754MSBDouble
sec
epoch
21100
1
-1.0E31
2.24061114E9
1.3847328E9
Interval start time (unix)
time_start
763727
1
Last Index Fastest
Unix time at the start of data collection. (NUM_DISTS elements)
IEEE754MSBDouble
sec
epoch
21100
1
-1.0E31
2.24061114E9
1.3847328E9
Interval end time (unix)
time_end
933031
1
Last Index Fastest
Unix time at the end of data collection. (NUM_DISTS elements)
IEEE754MSBDouble
sec
epoch
21100
1
-1.0E31
2.24061114E9
1.3847328E9
Averaging time
time_delta
1102335
1
Last Index Fastest
Averaging time. (TIME_DELTA = TIME_END - TIME_START).
IEEE754MSBDouble
sec
epoch
21100
1
-1.0E31
1.0E31
-1.0E31
Integration time
time_integ
1271639
1
Last Index Fastest
Integration time. (TIME_DELTA / (NENERGY*NDEF)).
IEEE754MSBDouble
sec
epoch
21100
1
-1.0E31
1.0E31
-1.0E31
Eprom version
eprom_ver
1440937
1
Last Index Fastest
An integer designating the flight EPROM version number that determines stored Real Time Sequence (RTS) commands and table loads that configure the STATIC instrument and determine energy and angle sweeps.
SignedMSB2
epoch
21100
1
-32768
32767
-32767
Header
header
1483637
1
Last Index Fastest
A long integer that consists of bytes 12-15 in data packet header. See MAVEN_PF_FSW_021_CTM.xls for definition of header bits. (NUM_DISTS elements)
SignedMSB4
epoch
21100
1
-2147483648
2147483647
-2147483647
Valid flag
valid
1568535
1
Last Index Fastest
Validity flag codes valid data (bit 0), test pulser on (bit 1), diagnostic mode (bit 2), data compression type (bit 3-4), packet compression (bit 5) (NUM_DISTS elements)
SignedMSB2
epoch
21100
1
-32768
32767
-32767
Mode number
mode
1611233
1
Last Index Fastest
Decoded mode number: 1=ram, 2=conic, 3=pickup, 4=scan, 5=eclipse, 6=protect
SignedMSB2
epoch
21100
1
-32768
32767
-32767
Telemetry rate number
rate
1653931
1
Last Index Fastest
Decoded telemetry rate number. (NUM_DISTS elements)
SignedMSB2
epoch
21100
1
-32768
32767
-32767
Sweep index
swp_ind
1696629
1
Last Index Fastest
Index that identifies the energy and deflector sweep look up tables (LUT) for the sensor. SWP_IND is an index that selects the following support data arrays: ENERGY, DENERGY, THETA, DTHETA, PHI, DPHI, DOMEGA, GF and MASS_ARR. (NUM_DISTS elements), SWP_IND Le NSWP
SignedMSB2
epoch
21100
1
-32768
32767
-32767
MLUT index
mlut_ind
1739327
1
Last Index Fastest
Index that identifies the onboard mass look up table (MLUT). MLUT_IND is an index that selects the following support data: TOF_ARR. (NUM_DISTS elements) MLUT Le NMLUT
SignedMSB2
epoch
21100
1
-32768
32767
-32767
Efficiency index
eff_ind
1782025
1
Last Index Fastest
Index that identifies the efficiency calibration table to be used. EFF_IND is an index that selects the following support data: EFF. (NUM_DISTS elements) EFF_IND Le NEFF
SignedMSB2
epoch
21100
1
-32768
32767
-32767
Attenuator state
att_ind
1824723
1
Last Index Fastest
Index that identifies the attenuator state (0 = no attenuation, 1 = electrostatic attenuation, 2 = mechanical attenuation, 3 = mechanical and electrostatic attenuation). (NUM_DISTS elements)
SignedMSB2
epoch
21100
1
-32768
32767
-32767
Spacecraft potential
sc_pot
1867423
1
Last Index Fastest
Spacecraft potential
IEEE754MSBSingle
volts
epoch
21100
1
-1.0E31
1.0E31
-1.0E31
Magnetic field
magf
1952331
2
Last Index Fastest
Magnetic field vector with dimension (3) in STATIC coordinates
IEEE754MSBSingle
nT
epoch
21100
1
vector_components
3
2
-1.0E31
1.0E31
-1.0E31
Quaternion to SC
quat_sc
2206039
2
Last Index Fastest
Quaternion elements to rotate from STATIC coordinates (same as APP coordinates) to SC coordinates (NUM_DISTS, 3)
IEEE754MSBSingle
epoch
21100
1
quaternion_elements
4
2
-1.0E31
1.0E31
-1.0E31
Quaternion to MSO
quat_mso
2544147
2
Last Index Fastest
Quaternion elements to rotate from STATIC coordinates (same as APP coordinates) to MSO coordinates (NUM_DISTS, 3)
IEEE754MSBSingle
epoch
21100
1
quaternion_elements
4
2
-1.0E31
1.0E31
-1.0E31
Bins flag
bins_sc
2882253
2
Last Index Fastest
Integer array of 1s and 0s with dimension (NBINS) Used to identify angle bins that include (value=0) spacecraft surfaces. If NBINS=1, then BINS_SC is set to 1. Values=0 indicates a solid angle bin with more than 50% blockage by the spacecraft.
SignedMSB2
epoch
21100
1
angle
16
2
-32768
32767
-32767
SC position MSO
pos_sc_mso
3557961
2
Last Index Fastest
Spacecraft position in MSO coordinates with dimension (NUM_DISTS, 3)
IEEE754MSBSingle
epoch
21100
1
vector_components
3
2
-1.0E31
1.0E31
-1.0E31
Background counts
bkg
3811677
3
Last Index Fastest
Background counts array with dimensions (NUM_DISTS, NENERGY, NBINS, NMASS)
IEEE754MSBSingle
Counts
epoch
21100
1
n/a
16
2
n/a
32
3
-1.0E31
1.0E31
-1.0E31
Dead_time correction
dead
47024993
3
Last Index Fastest
Dead time correction array with dimensions (NUM_DISTS, NENERGY, NBINS, NMASS), values 0.0 to 1.0, divide by this to correct.
IEEE754MSBSingle
epoch
21100
1
n/a
16
2
n/a
32
3
-1.0E31
1.0E31
-1.0E31
Data counts
data
90238309
3
Last Index Fastest
Counts array with dimensions (NUM_DISTS, NENERGY, NBINS, NMASS)
IEEE754MSBSingle
Counts
epoch
21100
1
n/a
16
2
n/a
32
3
-1.0E31
1.0E31
-1.0E31
Energy flux
eflux
133451625
3
Last Index Fastest
Differential energy flux array with dimensions (NUM_DISTS, NENERGY, NBINS, NMASS)
IEEE754MSBSingle
eV/(cm^2-s-sr-eV)
epoch
21100
1
n/a
16
2
n/a
32
3
-1.0E31
1.0E31
-1.0E31
Quality flag
quality_flag
176664923
1
Last Index Fastest
Quality flag: test pulser on (bit 0), diagnostic mode (bit 1), dead time correction greater than 2 flag (bit 2), detector droop correction greater than 2 flag (bit 3), dead time correction not at event time (bit 4), electrostatic attenuator problem (bit 5), attenuator change during accumulation (bit 6), mode change during accumulation (bit 7), LPW interference with data (bit 8), high background (bit 9), no background subtraction array (bit 10), missing spacecraft potential (bit 11), inflight calibration incomplete (bit 12), geometric factor problem (bit 13), ion suppression problem (bit 14), 0 (bit 15)
SignedMSB2
epoch
21100
1
-32768
32767
-32767
bins
bins
176715697
1
Last Index Fastest
Array with dimension NBINS containing 1 OR 0 used to flag bad solid angle bins
SignedMSB2
angle
16
1
-32768
32767
-32767
energy
energy
176716253
3
Last Index Fastest
Energy array with dimension (NSWP, NENERGY, NBINS, NMASS)
IEEE754MSBSingle
eV
angle
16
1
energy
32
2
swp_index
28
3
-1.0E31
1.0E31
-1.0E31
denergy
denergy
176774121
3
Last Index Fastest
Delta Energy array with dimension (NSWP, NENERGY, NBINS, NMASS)
IEEE754MSBSingle
eV
angle
16
1
energy
32
2
swp_index
28
3
-1.0E31
1.0E31
-1.0E31
theta
theta
176831989
3
Last Index Fastest
Angle array with with dimension (NSWP, NENERGY, NBINS, NMASS)
IEEE754MSBSingle
Degrees
angle
16
1
energy
32
2
swp_index
28
3
-1.0E31
1.0E31
-1.0E31
dtheta
dtheta
176889857
3
Last Index Fastest
Delta Angle array with dimension (NSWP, NENERGY, NBINS, NMASS)
IEEE754MSBSingle
Degrees
angle
16
1
energy
32
2
swp_index
28
3
-1.0E31
1.0E31
-1.0E31
phi
phi
176947725
3
Last Index Fastest
Angle array with dimension (NSWP, NENERGY, NBINS, NMASS)
IEEE754MSBSingle
Degrees
angle
16
1
energy
32
2
swp_index
28
3
-1.0E31
1.0E31
-1.0E31
dphi
dphi
177005593
3
Last Index Fastest
Delta Angle array with dimension (NSWP, NENERGY, NBINS, NMASS)
IEEE754MSBSingle
Degrees
angle
16
1
energy
32
2
swp_index
28
3
-1.0E31
1.0E31
-1.0E31
domega
domega
177063461
3
Last Index Fastest
Delta Solid Angle array with dimension (NSWP, NENERGY, NBINS, NMASS)
IEEE754MSBSingle
Steradians
angle
16
1
energy
32
2
swp_index
28
3
-1.0E31
1.0E31
-1.0E31
gf
gf
177121337
4
Last Index Fastest
Geometric Factor array with dimension (NSWP, NENERGY, NBINS, NMASS)
IEEE754MSBSingle
att_ind
4
1
angle
16
2
energy
32
3
swp_index
28
4
-1.0E31
1.0E31
-1.0E31
eff
eff
177351237
3
Last Index Fastest
Efficiency array with dimension (NEFF, NENERGY, NBINS, NMASS)
IEEE754MSBSingle
angle
16
1
energy
32
2
eff_index
128
3
-1.0E31
1.0E31
-1.0E31
mass_arr
mass_arr
177613905
3
Last Index Fastest
Mass array with dimension (NSWP, NENERGY, NBINS, NMASS). Nominal mass of a mass bin in units of AMUs based on TOF. This array is not integer AMU.
IEEE754MSBSingle
AMU
angle
16
1
energy
32
2
swp_index
28
3
-1.0E31
1.0E31
-1.0E31
tof_arr
tof_arr
177671773
3
Last Index Fastest
Time-of-flight (TOF) array with dimension (NMLUT, NENERGY, NBINS, NMASS). Gives average TOF value for mass bins.
IEEE754MSBSingle
angle
16
1
energy
32
2
mlut_index
9
3
-1.0E31
1.0E31
-1.0E31
twt_arr
twt_arr
177690729
3
Last Index Fastest
Time-of-flight Weight (TWT) array with dimension (NMLUT, NENERGY, NBINS, NMASS). Gives number of TOF bins in a given mass bin. Used for normalizing a mass spectra.
IEEE754MSBSingle
angle
16
1
energy
32
2
mlut_index
9
3
-1.0E31
1.0E31
-1.0E31
G. APID ca (16e4d16a) - 16 energy x 4 deflection x 16 anode ion distributions
This sample data product label is from the MAVEN STATIC Calibrated Energy Flux:
16 Energy X 64 Solid Angle Bins Data Collection (LID = urn:nasa:pds:maven.static.c:data.ca_16e4d16a).
The sample label is for the date 2018-12-02.
urn:nasa:pds:maven.static.c:data.ca_16e4d16a:mvn_sta_l2_ca-16e4d16a_20181202
1.0
MAVEN STATIC Ion Spectra for 2018-12-02
1.4.0.0
Product_Observational
McFadden, J. P.
2019
Time-ordered fully calibrated differential energy flux in 16 energy bin x 64 solid angle bin arrays (4 deflection angles x 16 anodes), summed over mass assuming O2+ covering 2018-12-02.
2019-05-07
1.0
Initial Verion
2018-12-02T00:00:03.743Z
2018-12-02T23:59:59.507Z
Science
Calibrated
Magnetosphere
Particles
Ions
Plasma
Mars Atmosphere and Volatile EvolutioN Mission
Mission
urn:nasa:pds:context:investigation:mission.maven
data_to_investigation
MAVEN
Spacecraft
urn:nasa:pds:context:instrument_host:spacecraft.maven
is_instrument_host
STATIC
Instrument
urn:nasa:pds:context:instrument:static.maven
is_instrument
Mars
Planet
urn:nasa:pds:context:target:planet.mars
data_to_target
EM-3
3.912372625098799E13
3.9129388279252E13
project_name
MAVEN
M
spacecraft
0
0
data_name
XX YYY where XX is the APID and YYY is the array abbreviation (64e2m, 32e32m, etc.)
c
apid
Application Process Identifier (APID) for the packet from which the data are taken.
c
units_name
eflux
c
units_procedure
mvn_convert_sta_units, name of IDL routine used for units conversion
m
num_dists
Number of measurements or times in the file
21590
nenergy
Number of energy bins
16
nbins
Number of solid angle bins
64
nmass
Number of mass bins
1
ndef
Number of deflector angle bins
4
nanode
Number of anode bins
16
natt
Number of attenuator states: 4
4
nswp
Number of sweep tables - will increase over mission as new sweep modes are added
28
neff
Number of efficiency arrays - will increase over mission as sensor degrades
128
nmlut
Number of MLUT tables - will increase over mission as new modes are developed
9
geom_factor
Geometric factor of a single 22.5 degree sector
1.9567319E-4
mass
Proton mass (0.01044) in units of MeV/c2
0.010438871
charge
Proton charge (1)
1.0
dead_time_1
Dead time for processed events. Dead time corrections are generally not necessary. Corrections require use of STATIC APID DA rate packets.
420.0
dead_time_2
Dead time for rejected events. Dead time corrections are generally not necessary. Corrections require use of STATIC APID DA rate packets.
660.0
dead_time_3
Dead time for stop-no-start events. Dead time corrections are generally not necessary. Corrections require use of STATIC APID DA rate packets.
460.0
Background counts
Background counts array with dimensions (NUM_DISTS, NENERGY, NBINS, NMASS)
bkg
particle_observation_to_observation_values
energy
particle_observation_to_aligned_values
denergy
particle_observation_to_aligned_values
theta
particle_observation_to_aligned_values
dtheta
particle_observation_to_aligned_values
phi
particle_observation_to_aligned_values
dphi
particle_observation_to_aligned_values
domega
particle_observation_to_aligned_values
gf
particle_observation_to_aligned_values
eff
particle_observation_to_aligned_values
mass_arr
particle_observation_to_aligned_values
tof_arr
particle_observation_to_aligned_values
twt_arr
particle_observation_to_aligned_values
Dead_time correction
Dead time correction array with dimensions (NUM_DISTS, NENERGY, NBINS, NMASS), values 0.0 to 1.0, divide by this to correct.
dead
particle_observation_to_observation_values
energy
particle_observation_to_aligned_values
denergy
particle_observation_to_aligned_values
theta
particle_observation_to_aligned_values
dtheta
particle_observation_to_aligned_values
phi
particle_observation_to_aligned_values
dphi
particle_observation_to_aligned_values
domega
particle_observation_to_aligned_values
gf
particle_observation_to_aligned_values
eff
particle_observation_to_aligned_values
mass_arr
particle_observation_to_aligned_values
tof_arr
particle_observation_to_aligned_values
twt_arr
particle_observation_to_aligned_values
Data counts
Counts array with dimensions (NUM_DISTS, NENERGY, NBINS, NMASS)
data
particle_observation_to_observation_values
energy
particle_observation_to_aligned_values
denergy
particle_observation_to_aligned_values
theta
particle_observation_to_aligned_values
dtheta
particle_observation_to_aligned_values
phi
particle_observation_to_aligned_values
dphi
particle_observation_to_aligned_values
domega
particle_observation_to_aligned_values
gf
particle_observation_to_aligned_values
eff
particle_observation_to_aligned_values
mass_arr
particle_observation_to_aligned_values
tof_arr
particle_observation_to_aligned_values
twt_arr
particle_observation_to_aligned_values
Energy flux
Differential energy flux array with dimensions (NUM_DISTS, NENERGY, NBINS, NMASS)
eflux
particle_observation_to_observation_values
energy
particle_observation_to_aligned_values
denergy
particle_observation_to_aligned_values
theta
particle_observation_to_aligned_values
dtheta
particle_observation_to_aligned_values
phi
particle_observation_to_aligned_values
dphi
particle_observation_to_aligned_values
domega
particle_observation_to_aligned_values
gf
particle_observation_to_aligned_values
eff
particle_observation_to_aligned_values
mass_arr
particle_observation_to_aligned_values
tof_arr
particle_observation_to_aligned_values
twt_arr
particle_observation_to_aligned_values
gf
Geometric Factor array with dimension (NSWP, NENERGY, NBINS, NMASS)
gf
particle_observation_to_observation_values
att_ind
particle_observation_to_axis_values
1
index
particle_observation_to_axis_values
2
index
particle_observation_to_axis_values
3
energy
particle_observation_to_aligned_values
denergy
particle_observation_to_aligned_values
theta
particle_observation_to_aligned_values
dtheta
particle_observation_to_aligned_values
phi
particle_observation_to_aligned_values
dphi
particle_observation_to_aligned_values
domega
particle_observation_to_aligned_values
gf
particle_observation_to_aligned_values
eff
particle_observation_to_aligned_values
mass_arr
particle_observation_to_aligned_values
tof_arr
particle_observation_to_aligned_values
twt_arr
particle_observation_to_aligned_values
eff
Efficiency array with dimension (NEFF, NENERGY, NBINS, NMASS)
eff
particle_observation_to_observation_values
index
particle_observation_to_axis_values
1
index
particle_observation_to_axis_values
2
eff_ind
particle_observation_to_axis_values
3
energy
particle_observation_to_aligned_values
denergy
particle_observation_to_aligned_values
theta
particle_observation_to_aligned_values
dtheta
particle_observation_to_aligned_values
phi
particle_observation_to_aligned_values
dphi
particle_observation_to_aligned_values
domega
particle_observation_to_aligned_values
gf
particle_observation_to_aligned_values
eff
particle_observation_to_aligned_values
mass_arr
particle_observation_to_aligned_values
tof_arr
particle_observation_to_aligned_values
twt_arr
particle_observation_to_aligned_values
time values
epoch
data_values_to_data_values
time_met
data_values_to_data_values
time_unix
data_values_to_data_values
urn:nasa:pds:maven.spice:spice_kernels:lsk_naif0012.tls::1.0
data_to_spice_kernel
This data file was processed using the SPICE leapsecond kernel: naif0012.tls.
urn:nasa:pds:maven.spice:spice_kernels:sclk_mvn_sclkscet_00065.tsc::1.0
data_to_spice_kernel
This data file was processed using the SPICE MAVEN SCLK kernel: MVN_SCLKSCET.00065.tsc.
mvn_sta_l2_ca-16e4d16a_20181202_v02_r08.cdf
2019-05-07T23:53:24
361750490
c416374fd56e4c07fe36b7e18f8be52d
CDF Header
0
404
CDF 3.4 ISTP/IACG
TT2000
epoch
86519
1
Last Index Fastest
UTC time from 01-Jan-2000 12:00:00.000 (including leap seconds), stored as an integer in nanoseconds.
SignedMSB8
nanosec
epoch
21590
1
-0.0
3.595796016651621E-222
2.2152726415982762E-279
Mission Elapsed Time
time_met
259743
1
Last Index Fastest
Mission elapsed time for this data record.
IEEE754MSBDouble
sec
epoch
21590
1
-1.0E31
8.5587834E8
0.0
SPICE Ephemeris Time
time_ephemeris
432967
1
Last Index Fastest
Time used by SPICE program.
IEEE754MSBDouble
sec
epoch
21590
1
-1.0E31
1.293883209183998E9
4.380048671839981E8
Unix Time
time_unix
606191
1
Last Index Fastest
Unix time (elapsed seconds since 1970-01-01/00:00 without leap seconds) for this data record. This time is the center time of data collection.
IEEE754MSBDouble
sec
epoch
21590
1
-1.0E31
2.24061114E9
1.3847328E9
Interval start time (unix)
time_start
779415
1
Last Index Fastest
Unix time at the start of data collection. (NUM_DISTS elements)
IEEE754MSBDouble
sec
epoch
21590
1
-1.0E31
2.24061114E9
1.3847328E9
Interval end time (unix)
time_end
952639
1
Last Index Fastest
Unix time at the end of data collection. (NUM_DISTS elements)
IEEE754MSBDouble
sec
epoch
21590
1
-1.0E31
2.24061114E9
1.3847328E9
Averaging time
time_delta
1125863
1
Last Index Fastest
Averaging time. (TIME_DELTA = TIME_END - TIME_START).
IEEE754MSBDouble
sec
epoch
21590
1
-1.0E31
1.0E31
-1.0E31
Integration time
time_integ
1299087
1
Last Index Fastest
Integration time. (TIME_DELTA / (NENERGY*NDEF)).
IEEE754MSBDouble
sec
epoch
21590
1
-1.0E31
1.0E31
-1.0E31
Eprom version
eprom_ver
1472305
1
Last Index Fastest
An integer designating the flight EPROM version number that determines stored Real Time Sequence (RTS) commands and table loads that configure the STATIC instrument and determine energy and angle sweeps.
SignedMSB2
epoch
21590
1
-32768
32767
-32767
Header
header
1515985
1
Last Index Fastest
A long integer that consists of bytes 12-15 in data packet header. See MAVEN_PF_FSW_021_CTM.xls for definition of header bits. (NUM_DISTS elements)
SignedMSB4
epoch
21590
1
-2147483648
2147483647
-2147483647
Valid flag
valid
1602843
1
Last Index Fastest
Validity flag codes valid data (bit 0), test pulser on (bit 1), diagnostic mode (bit 2), data compression type (bit 3-4), packet compression (bit 5) (NUM_DISTS elements)
SignedMSB2
epoch
21590
1
-32768
32767
-32767
Mode number
mode
1646521
1
Last Index Fastest
Decoded mode number: 1=ram, 2=conic, 3=pickup, 4=scan, 5=eclipse, 6=protect
SignedMSB2
epoch
21590
1
-32768
32767
-32767
Telemetry rate number
rate
1690199
1
Last Index Fastest
Decoded telemetry rate number. (NUM_DISTS elements)
SignedMSB2
epoch
21590
1
-32768
32767
-32767
Sweep index
swp_ind
1733877
1
Last Index Fastest
Index that identifies the energy and deflector sweep look up tables (LUT) for the sensor. SWP_IND is an index that selects the following support data arrays: ENERGY, DENERGY, THETA, DTHETA, PHI, DPHI, DOMEGA, GF and MASS_ARR. (NUM_DISTS elements), SWP_IND Le NSWP
SignedMSB2
epoch
21590
1
-32768
32767
-32767
MLUT index
mlut_ind
1777555
1
Last Index Fastest
Index that identifies the onboard mass look up table (MLUT). MLUT_IND is an index that selects the following support data: TOF_ARR. (NUM_DISTS elements) MLUT Le NMLUT
SignedMSB2
epoch
21590
1
-32768
32767
-32767
Efficiency index
eff_ind
1821233
1
Last Index Fastest
Index that identifies the efficiency calibration table to be used. EFF_IND is an index that selects the following support data: EFF. (NUM_DISTS elements) EFF_IND Le NEFF
SignedMSB2
epoch
21590
1
-32768
32767
-32767
Attenuator state
att_ind
1864911
1
Last Index Fastest
Index that identifies the attenuator state (0 = no attenuation, 1 = electrostatic attenuation, 2 = mechanical attenuation, 3 = mechanical and electrostatic attenuation). (NUM_DISTS elements)
SignedMSB2
epoch
21590
1
-32768
32767
-32767
Spacecraft potential
sc_pot
1908591
1
Last Index Fastest
Spacecraft potential
IEEE754MSBSingle
volts
epoch
21590
1
-1.0E31
1.0E31
-1.0E31
Magnetic field
magf
1995459
2
Last Index Fastest
Magnetic field vector with dimension (3) in STATIC coordinates
IEEE754MSBSingle
nT
epoch
21590
1
vector_components
3
2
-1.0E31
1.0E31
-1.0E31
Quaternion to SC
quat_sc
2255047
2
Last Index Fastest
Quaternion elements to rotate from STATIC coordinates (same as APP coordinates) to SC coordinates (NUM_DISTS, 3)
IEEE754MSBSingle
epoch
21590
1
quaternion_elements
4
2
-1.0E31
1.0E31
-1.0E31
Quaternion to MSO
quat_mso
2600995
2
Last Index Fastest
Quaternion elements to rotate from STATIC coordinates (same as APP coordinates) to MSO coordinates (NUM_DISTS, 3)
IEEE754MSBSingle
epoch
21590
1
quaternion_elements
4
2
-1.0E31
1.0E31
-1.0E31
Bins flag
bins_sc
2946941
2
Last Index Fastest
Integer array of 1s and 0s with dimension (NBINS) Used to identify angle bins that include (value=0) spacecraft surfaces. If NBINS=1, then BINS_SC is set to 1. Values=0 indicates a solid angle bin with more than 50% blockage by the spacecraft.
SignedMSB2
epoch
21590
1
angle
64
2
-32768
32767
-32767
SC position MSO
pos_sc_mso
5710969
2
Last Index Fastest
Spacecraft position in MSO coordinates with dimension (NUM_DISTS, 3)
IEEE754MSBSingle
epoch
21590
1
vector_components
3
2
-1.0E31
1.0E31
-1.0E31
Background counts
bkg
5970565
3
Last Index Fastest
Background counts array with dimensions (NUM_DISTS, NENERGY, NBINS, NMASS)
IEEE754MSBSingle
Counts
epoch
21590
1
n/a
64
2
n/a
16
3
-1.0E31
1.0E31
-1.0E31
Dead_time correction
dead
94403721
3
Last Index Fastest
Dead time correction array with dimensions (NUM_DISTS, NENERGY, NBINS, NMASS), values 0.0 to 1.0, divide by this to correct.
IEEE754MSBSingle
epoch
21590
1
n/a
64
2
n/a
16
3
-1.0E31
1.0E31
-1.0E31
Data counts
data
182836877
3
Last Index Fastest
Counts array with dimensions (NUM_DISTS, NENERGY, NBINS, NMASS)
IEEE754MSBSingle
Counts
epoch
21590
1
n/a
64
2
n/a
16
3
-1.0E31
1.0E31
-1.0E31
Energy flux
eflux
271270033
3
Last Index Fastest
Differential energy flux array with dimensions (NUM_DISTS, NENERGY, NBINS, NMASS)
IEEE754MSBSingle
eV/(cm^2-s-sr-eV)
epoch
21590
1
n/a
64
2
n/a
16
3
-1.0E31
1.0E31
-1.0E31
Quality flag
quality_flag
359703171
1
Last Index Fastest
Quality flag: test pulser on (bit 0), diagnostic mode (bit 1), dead time correction greater than 2 flag (bit 2), detector droop correction greater than 2 flag (bit 3), dead time correction not at event time (bit 4), electrostatic attenuator problem (bit 5), attenuator change during accumulation (bit 6), mode change during accumulation (bit 7), LPW interference with data (bit 8), high background (bit 9), no background subtraction array (bit 10), missing spacecraft potential (bit 11), inflight calibration incomplete (bit 12), geometric factor problem (bit 13), ion suppression problem (bit 14), 0 (bit 15)
SignedMSB2
epoch
21590
1
-32768
32767
-32767
bins
bins
359754929
1
Last Index Fastest
Array with dimension NBINS containing 1 OR 0 used to flag bad solid angle bins
SignedMSB2
angle
64
1
-32768
32767
-32767
energy
energy
359755581
3
Last Index Fastest
Energy array with dimension (NSWP, NENERGY, NBINS, NMASS)
IEEE754MSBSingle
eV
angle
64
1
energy
16
2
swp_index
28
3
-1.0E31
1.0E31
-1.0E31
denergy
denergy
359870793
3
Last Index Fastest
Delta Energy array with dimension (NSWP, NENERGY, NBINS, NMASS)
IEEE754MSBSingle
eV
angle
64
1
energy
16
2
swp_index
28
3
-1.0E31
1.0E31
-1.0E31
theta
theta
359986005
3
Last Index Fastest
Angle array with with dimension (NSWP, NENERGY, NBINS, NMASS)
IEEE754MSBSingle
Degrees
angle
64
1
energy
16
2
swp_index
28
3
-1.0E31
1.0E31
-1.0E31
dtheta
dtheta
360101217
3
Last Index Fastest
Delta Angle array with dimension (NSWP, NENERGY, NBINS, NMASS)
IEEE754MSBSingle
Degrees
angle
64
1
energy
16
2
swp_index
28
3
-1.0E31
1.0E31
-1.0E31
phi
phi
360216429
3
Last Index Fastest
Angle array with dimension (NSWP, NENERGY, NBINS, NMASS)
IEEE754MSBSingle
Degrees
angle
64
1
energy
16
2
swp_index
28
3
-1.0E31
1.0E31
-1.0E31
dphi
dphi
360331641
3
Last Index Fastest
Delta Angle array with dimension (NSWP, NENERGY, NBINS, NMASS)
IEEE754MSBSingle
Degrees
angle
64
1
energy
16
2
swp_index
28
3
-1.0E31
1.0E31
-1.0E31
domega
domega
360446853
3
Last Index Fastest
Delta Solid Angle array with dimension (NSWP, NENERGY, NBINS, NMASS)
IEEE754MSBSingle
Steradians
angle
64
1
energy
16
2
swp_index
28
3
-1.0E31
1.0E31
-1.0E31
gf
gf
360562073
4
Last Index Fastest
Geometric Factor array with dimension (NSWP, NENERGY, NBINS, NMASS)
IEEE754MSBSingle
att_ind
4
1
angle
64
2
energy
16
3
swp_index
28
4
-1.0E31
1.0E31
-1.0E31
eff
eff
361021349
3
Last Index Fastest
Efficiency array with dimension (NEFF, NENERGY, NBINS, NMASS)
IEEE754MSBSingle
angle
64
1
energy
16
2
eff_index
128
3
-1.0E31
1.0E31
-1.0E31
mass_arr
mass_arr
361546161
3
Last Index Fastest
Mass array with dimension (NSWP, NENERGY, NBINS, NMASS). Nominal mass of a mass bin in units of AMUs based on TOF. This array is not integer AMU.
IEEE754MSBSingle
AMU
angle
64
1
energy
16
2
swp_index
28
3
-1.0E31
1.0E31
-1.0E31
tof_arr
tof_arr
361661373
3
Last Index Fastest
Time-of-flight (TOF) array with dimension (NMLUT, NENERGY, NBINS, NMASS). Gives average TOF value for mass bins.
IEEE754MSBSingle
angle
64
1
energy
16
2
mlut_index
9
3
-1.0E31
1.0E31
-1.0E31
twt_arr
twt_arr
361698761
3
Last Index Fastest
Time-of-flight Weight (TWT) array with dimension (NMLUT, NENERGY, NBINS, NMASS). Gives number of TOF bins in a given mass bin. Used for normalizing a mass spectra.
IEEE754MSBSingle
angle
64
1
energy
16
2
mlut_index
9
3
-1.0E31
1.0E31
-1.0E31
H. APID cc (32e8d32m) - 32 energy x 8 deflection x 32 mass ion distributions
This sample data product label is from the MAVEN STATIC Calibrated Energy Flux:
32 Energy X 8 Solid Angle X 32 Mass Bins Data Collection
(LID = urn:nasa:pds:maven.static.c:data.cc_32e8d32m). The sample label is for the date
2015-06-02.
urn:nasa:pds:maven.static.c:data.cc_32e8d32m:mvn_sta_l2_cc-32e8d32m_20150602
3.0
MAVEN STATIC Ion Spectra for 2015-06-02
1.4.0.0
Product_Observational
McFadden, J. P.
2018
Time-ordered, fully calibrated differential energy flux in 32 energy bin x 8 solid angle bin (8 deflection angles and summed over anodes, but assumed that counts are from anode 7 in the ram direction) x 32 mass bin arrays covering 2015-06-02.
2018-05-21
3.0
This file has been updated to correct the algorithm for generating the array of look directions blocked by the spacecraft (BINS_SC), and the algorithm for generating the dead-time and detector droop correction array (DEAD) was updated to use variable background rates.
2015-06-02T01:44:42.255Z
2015-06-02T15:10:38.014Z
Science
Calibrated
Magnetosphere
Particles
Ions
Plasma
Mars Atmosphere and Volatile EvolutioN Mission
Mission
urn:nasa:pds:context:investigation:mission.maven
data_to_investigation
MAVEN
Spacecraft
urn:nasa:pds:context:instrument_host:spacecraft.maven
is_instrument_host
STATIC
Instrument
urn:nasa:pds:context:instrument:static.maven
is_instrument
Mars
Planet
urn:nasa:pds:context:target:planet.mars
data_to_target
Prime Mission
3.1882048388358996E13
3.1885217429047E13
project_name
MAVEN
M
spacecraft
0
0
data_name
XX YYY where XX is the APID and YYY is the array abbreviation (64e2m, 32e32m, etc.)
c
apid
Application Process Identifier (APID) for the packet from which the data are taken.
c
units_name
eflux
c
units_procedure
mvn_convert_sta_units, name of IDL routine used for units conversion
m
num_dists
Number of measurements or times in the file
76
nenergy
Number of energy bins
32
nbins
Number of solid angle bins
8
nmass
Number of mass bins
32
ndef
Number of deflector angle bins
8
nanode
Number of anode bins
1
natt
Number of attenuator states: 4
4
nswp
Number of sweep tables - will increase over mission as new sweep modes are added
27
neff
Number of efficiency arrays - will increase over mission as sensor degrades
128
nmlut
Number of MLUT tables - will increase over mission as new modes are developed
9
geom_factor
Geometric factor of a single 22.5 degree sector
1.9567319E-4
mass
Proton mass (0.01044) in units of MeV/c2
0.010438871
charge
Proton charge (1)
1.0
dead_time_1
Dead time for processed events. Dead time corrections are generally not necessary. Corrections require use of STATIC APID DA rate packets.
420.0
dead_time_2
Dead time for rejected events. Dead time corrections are generally not necessary. Corrections require use of STATIC APID DA rate packets.
660.0
dead_time_3
Dead time for stop-no-start events. Dead time corrections are generally not necessary. Corrections require use of STATIC APID DA rate packets.
460.0
Background counts
Background counts array with dimensions (NUM_DISTS, NENERGY, NBINS, NMASS)
bkg
particle_observation_to_observation_values
energy
particle_observation_to_aligned_values
denergy
particle_observation_to_aligned_values
theta
particle_observation_to_aligned_values
dtheta
particle_observation_to_aligned_values
phi
particle_observation_to_aligned_values
dphi
particle_observation_to_aligned_values
domega
particle_observation_to_aligned_values
gf
particle_observation_to_aligned_values
eff
particle_observation_to_aligned_values
mass_arr
particle_observation_to_aligned_values
tof_arr
particle_observation_to_aligned_values
twt_arr
particle_observation_to_aligned_values
Dead_time correction
Dead time correction array with dimensions (NUM_DISTS, NENERGY, NBINS, NMASS), values 0.0 to 1.0, divide by this to correct.
dead
particle_observation_to_observation_values
energy
particle_observation_to_aligned_values
denergy
particle_observation_to_aligned_values
theta
particle_observation_to_aligned_values
dtheta
particle_observation_to_aligned_values
phi
particle_observation_to_aligned_values
dphi
particle_observation_to_aligned_values
domega
particle_observation_to_aligned_values
gf
particle_observation_to_aligned_values
eff
particle_observation_to_aligned_values
mass_arr
particle_observation_to_aligned_values
tof_arr
particle_observation_to_aligned_values
twt_arr
particle_observation_to_aligned_values
Data counts
Counts array with dimensions (NUM_DISTS, NENERGY, NBINS, NMASS)
data
particle_observation_to_observation_values
energy
particle_observation_to_aligned_values
denergy
particle_observation_to_aligned_values
theta
particle_observation_to_aligned_values
dtheta
particle_observation_to_aligned_values
phi
particle_observation_to_aligned_values
dphi
particle_observation_to_aligned_values
domega
particle_observation_to_aligned_values
gf
particle_observation_to_aligned_values
eff
particle_observation_to_aligned_values
mass_arr
particle_observation_to_aligned_values
tof_arr
particle_observation_to_aligned_values
twt_arr
particle_observation_to_aligned_values
Energy flux
Differential energy flux array with dimensions (NUM_DISTS, NENERGY, NBINS, NMASS)
eflux
particle_observation_to_observation_values
energy
particle_observation_to_aligned_values
denergy
particle_observation_to_aligned_values
theta
particle_observation_to_aligned_values
dtheta
particle_observation_to_aligned_values
phi
particle_observation_to_aligned_values
dphi
particle_observation_to_aligned_values
domega
particle_observation_to_aligned_values
gf
particle_observation_to_aligned_values
eff
particle_observation_to_aligned_values
mass_arr
particle_observation_to_aligned_values
tof_arr
particle_observation_to_aligned_values
twt_arr
particle_observation_to_aligned_values
gf
Geometric Factor array with dimension (NSWP, NENERGY, NBINS, NMASS)
gf
particle_observation_to_observation_values
att_ind
particle_observation_to_axis_values
1
index
particle_observation_to_axis_values
2
index
particle_observation_to_axis_values
3
energy
particle_observation_to_aligned_values
denergy
particle_observation_to_aligned_values
theta
particle_observation_to_aligned_values
dtheta
particle_observation_to_aligned_values
phi
particle_observation_to_aligned_values
dphi
particle_observation_to_aligned_values
domega
particle_observation_to_aligned_values
gf
particle_observation_to_aligned_values
eff
particle_observation_to_aligned_values
mass_arr
particle_observation_to_aligned_values
tof_arr
particle_observation_to_aligned_values
twt_arr
particle_observation_to_aligned_values
eff
Efficiency array with dimension (NEFF, NENERGY, NBINS, NMASS)
eff
particle_observation_to_observation_values
index
particle_observation_to_axis_values
1
index
particle_observation_to_axis_values
2
eff_ind
particle_observation_to_axis_values
3
energy
particle_observation_to_aligned_values
denergy
particle_observation_to_aligned_values
theta
particle_observation_to_aligned_values
dtheta
particle_observation_to_aligned_values
phi
particle_observation_to_aligned_values
dphi
particle_observation_to_aligned_values
domega
particle_observation_to_aligned_values
gf
particle_observation_to_aligned_values
eff
particle_observation_to_aligned_values
mass_arr
particle_observation_to_aligned_values
tof_arr
particle_observation_to_aligned_values
twt_arr
particle_observation_to_aligned_values
time values
epoch
data_values_to_data_values
time_met
data_values_to_data_values
time_unix
data_values_to_data_values
urn:nasa:pds:maven.spice:spice_kernels:lsk_naif0012.tls::1.0
data_to_spice_kernel
This data file was processed using the SPICE leapsecond kernel: naif0012.tls.
urn:nasa:pds:maven.spice:spice_kernels:sclk_mvn_sclkscet_00055.tsc::1.0
data_to_spice_kernel
This data file was processed using the SPICE MAVEN SCLK kernel: MVN_SCLKSCET.00055.tsc.
mvn_sta_l2_cc-32e8d32m_20150602_v02_r00.cdf
2018-05-21T08:14:20
22080837
4d45e12225ef3a712ce9c079d9573be9
CDF Header
0
404
CDF 3.4 ISTP/IACG
TT2000
epoch
89014
1
Last Index Fastest
UTC time from 01-Jan-2000 12:00:00.000 (including leap seconds), stored as an integer in nanoseconds.
SignedMSB8
nanosec
epoch
76
1
-0.0
3.595796016651621E-222
2.2152726415982762E-279
Mission Elapsed Time
time_met
90126
1
Last Index Fastest
Mission elapsed time for this data record.
IEEE754MSBDouble
sec
epoch
76
1
-1.0E31
8.5587834E8
0.0
SPICE Ephemeris Time
time_ephemeris
91238
1
Last Index Fastest
Time used by SPICE program.
IEEE754MSBDouble
sec
epoch
76
1
-1.0E31
1.293883209183998E9
4.380048671839981E8
Unix Time
time_unix
92350
1
Last Index Fastest
Unix time (elapsed seconds since 1970-01-01/00:00 without leap seconds) for this data record. This time is the center time of data collection.
IEEE754MSBDouble
sec
epoch
76
1
-1.0E31
2.24061114E9
1.3847328E9
Interval start time (unix)
time_start
93462
1
Last Index Fastest
Unix time at the start of data collection. (NUM_DISTS elements)
IEEE754MSBDouble
sec
epoch
76
1
-1.0E31
2.24061114E9
1.3847328E9
Interval end time (unix)
time_end
94574
1
Last Index Fastest
Unix time at the end of data collection. (NUM_DISTS elements)
IEEE754MSBDouble
sec
epoch
76
1
-1.0E31
2.24061114E9
1.3847328E9
Averaging time
time_delta
95686
1
Last Index Fastest
Averaging time. (TIME_DELTA = TIME_END - TIME_START).
IEEE754MSBDouble
sec
epoch
76
1
-1.0E31
1.0E31
-1.0E31
Integration time
time_integ
96798
1
Last Index Fastest
Integration time. (TIME_DELTA / (NENERGY*NDEF)).
IEEE754MSBDouble
sec
epoch
76
1
-1.0E31
1.0E31
-1.0E31
Eprom version
eprom_ver
97904
1
Last Index Fastest
An integer designating the flight EPROM version number that determines stored Real Time Sequence (RTS) commands and table loads that configure the STATIC instrument and determine energy and angle sweeps.
SignedMSB2
epoch
76
1
-32768
32767
-32767
Header
header
98556
1
Last Index Fastest
A long integer that consists of bytes 12-15 in data packet header. See MAVEN_PF_FSW_021_CTM.xls for definition of header bits. (NUM_DISTS elements)
SignedMSB4
epoch
76
1
-2147483648
2147483647
-2147483647
Valid flag
valid
99358
1
Last Index Fastest
Validity flag codes valid data (bit 0), test pulser on (bit 1), diagnostic mode (bit 2), data compression type (bit 3-4), packet compression (bit 5) (NUM_DISTS elements)
SignedMSB2
epoch
76
1
-32768
32767
-32767
Mode number
mode
100008
1
Last Index Fastest
Decoded mode number: 1=ram, 2=conic, 3=pickup, 4=scan, 5=eclipse, 6=protect
SignedMSB2
epoch
76
1
-32768
32767
-32767
Telemetry rate number
rate
100658
1
Last Index Fastest
Decoded telemetry rate number. (NUM_DISTS elements)
SignedMSB2
epoch
76
1
-32768
32767
-32767
Sweep index
swp_ind
101308
1
Last Index Fastest
Index that identifies the energy and deflector sweep look up tables (LUT) for the sensor. SWP_IND is an index that selects the following support data arrays: ENERGY, DENERGY, THETA, DTHETA, PHI, DPHI, DOMEGA, GF and MASS_ARR. (NUM_DISTS elements), SWP_IND Le NSWP
SignedMSB2
epoch
76
1
-32768
32767
-32767
MLUT index
mlut_ind
101958
1
Last Index Fastest
Index that identifies the onboard mass look up table (MLUT). MLUT_IND is an index that selects the following support data: TOF_ARR. (NUM_DISTS elements) MLUT Le NMLUT
SignedMSB2
epoch
76
1
-32768
32767
-32767
Efficiency index
eff_ind
102608
1
Last Index Fastest
Index that identifies the efficiency calibration table to be used. EFF_IND is an index that selects the following support data: EFF. (NUM_DISTS elements) EFF_IND Le NEFF
SignedMSB2
epoch
76
1
-32768
32767
-32767
Attenuator state
att_ind
103258
1
Last Index Fastest
Index that identifies the attenuator state (0 = no attenuation, 1 = electrostatic attenuation, 2 = mechanical attenuation, 3 = mechanical and electrostatic attenuation). (NUM_DISTS elements)
SignedMSB2
epoch
76
1
-32768
32767
-32767
Spacecraft potential
sc_pot
103910
1
Last Index Fastest
Spacecraft potential
IEEE754MSBSingle
volts
epoch
76
1
-1.0E31
1.0E31
-1.0E31
Magnetic field
magf
104722
2
Last Index Fastest
Magnetic field vector with dimension (3) in STATIC coordinates
IEEE754MSBSingle
nT
epoch
76
1
vector_components
3
2
-1.0E31
1.0E31
-1.0E31
Quaternion to SC
quat_sc
106142
2
Last Index Fastest
Quaternion elements to rotate from STATIC coordinates (same as APP coordinates) to SC coordinates (NUM_DISTS, 3)
IEEE754MSBSingle
epoch
76
1
quaternion_elements
4
2
-1.0E31
1.0E31
-1.0E31
Quaternion to MSO
quat_mso
107866
2
Last Index Fastest
Quaternion elements to rotate from STATIC coordinates (same as APP coordinates) to MSO coordinates (NUM_DISTS, 3)
IEEE754MSBSingle
epoch
76
1
quaternion_elements
4
2
-1.0E31
1.0E31
-1.0E31
Bins flag
bins_sc
109588
2
Last Index Fastest
Integer array of 1s and 0s with dimension (NBINS) Used to identify angle bins that include (value=0) spacecraft surfaces. If NBINS=1, then BINS_SC is set to 1. Values=0 indicates a solid angle bin with more than 50% blockage by the spacecraft.
SignedMSB2
epoch
76
1
angle
8
2
-32768
32767
-32767
SC position MSO
pos_sc_mso
111312
2
Last Index Fastest
Spacecraft position in MSO coordinates with dimension (NUM_DISTS, 3)
IEEE754MSBSingle
epoch
76
1
vector_components
3
2
-1.0E31
1.0E31
-1.0E31
Background counts
bkg
112748
4
Last Index Fastest
Background counts array with dimensions (NUM_DISTS, NENERGY, NBINS, NMASS)
IEEE754MSBSingle
Counts
epoch
76
1
mass
32
2
angle
8
3
energy
32
4
-1.0E31
1.0E31
-1.0E31
Dead_time correction
dead
2603640
4
Last Index Fastest
Dead time correction array with dimensions (NUM_DISTS, NENERGY, NBINS, NMASS), values 0.0 to 1.0, divide by this to correct.
IEEE754MSBSingle
epoch
76
1
mass
32
2
angle
8
3
energy
32
4
-1.0E31
1.0E31
-1.0E31
Data counts
data
5094532
4
Last Index Fastest
Counts array with dimensions (NUM_DISTS, NENERGY, NBINS, NMASS)
IEEE754MSBSingle
Counts
epoch
76
1
mass
32
2
angle
8
3
energy
32
4
-1.0E31
1.0E31
-1.0E31
Energy flux
eflux
7585424
4
Last Index Fastest
Differential energy flux array with dimensions (NUM_DISTS, NENERGY, NBINS, NMASS)
IEEE754MSBSingle
eV/sr/sec
epoch
76
1
mass
32
2
angle
8
3
energy
32
4
-1.0E31
1.0E31
-1.0E31
Quality flag
quality_flag
10076290
1
Last Index Fastest
Quality flag: test pulser on (bit 0), diagnostic mode (bit 1), dead time correction >2 flag (bit 2), detector droop correction >2 flag (bit 3), dead time correction not at event time (bit 4), electrostatic attenuator problem (bit 5), attenuator change during accumulation (bit 6), mode change during accumulation (bit 7), LPW interference with data (bit 8), high background (bit 9), no background subtraction array (bit 10), missing spacecraft potential (bit 11), inflight calibration incomplete (bit 12), geometric factor problem (bit 13), ion suppression problem (bit 14), 0 (bit 15)
SignedMSB2
epoch
76
1
-32768
32767
-32767
bins
bins
10085020
1
Last Index Fastest
Array with dimension NBINS containing 1 OR 0 used to flag bad solid angle bins
SignedMSB2
angle
8
1
-32768
32767
-32767
energy
energy
10085568
4
Last Index Fastest
Energy array with dimension (NSWP, NENERGY, NBINS, NMASS)
IEEE754MSBSingle
eV
mass
32
1
angle
8
2
energy
32
3
swp_index
27
4
-1.0E31
1.0E31
-1.0E31
denergy
denergy
10970836
4
Last Index Fastest
Delta Energy array with dimension (NSWP, NENERGY, NBINS, NMASS)
IEEE754MSBSingle
eV
mass
32
1
angle
8
2
energy
32
3
swp_index
27
4
-1.0E31
1.0E31
-1.0E31
theta
theta
11856104
4
Last Index Fastest
Angle array with with dimension (NSWP, NENERGY, NBINS, NMASS)
IEEE754MSBSingle
Degrees
mass
32
1
angle
8
2
energy
32
3
swp_index
27
4
-1.0E31
1.0E31
-1.0E31
dtheta
dtheta
12741372
4
Last Index Fastest
Delta Angle array with dimension (NSWP, NENERGY, NBINS, NMASS)
IEEE754MSBSingle
Degrees
mass
32
1
angle
8
2
energy
32
3
swp_index
27
4
-1.0E31
1.0E31
-1.0E31
phi
phi
13626640
4
Last Index Fastest
Angle array with dimension (NSWP, NENERGY, NBINS, NMASS)
IEEE754MSBSingle
Degrees
mass
32
1
angle
8
2
energy
32
3
swp_index
27
4
-1.0E31
1.0E31
-1.0E31
dphi
dphi
14511908
4
Last Index Fastest
Delta Angle array with dimension (NSWP, NENERGY, NBINS, NMASS)
IEEE754MSBSingle
Degrees
mass
32
1
angle
8
2
energy
32
3
swp_index
27
4
-1.0E31
1.0E31
-1.0E31
domega
domega
15397176
4
Last Index Fastest
Delta Solid Angle array with dimension (NSWP, NENERGY, NBINS, NMASS)
IEEE754MSBSingle
Steradians
mass
32
1
angle
8
2
energy
32
3
swp_index
27
4
-1.0E31
1.0E31
-1.0E31
gf
gf
16282444
4
Last Index Fastest
Geometric Factor array with dimension (NSWP, NENERGY, NBINS, NMASS)
IEEE754MSBSingle
att_ind
4
1
angle
8
2
energy
32
3
swp_index
27
4
-1.0E31
1.0E31
-1.0E31
eff
eff
16393568
4
Last Index Fastest
Efficiency array with dimension (NEFF, NENERGY, NBINS, NMASS)
IEEE754MSBSingle
mass
32
1
angle
8
2
energy
32
3
eff_index
128
4
-1.0E31
1.0E31
-1.0E31
mass_arr
mass_arr
20588404
4
Last Index Fastest
Mass array with dimension (NSWP, NENERGY, NBINS, NMASS). Nominal mass of a mass bin in units of AMUs based on TOF. This array is not integer AMU.
IEEE754MSBSingle
AMU
mass
32
1
angle
8
2
energy
32
3
swp_index
27
4
-1.0E31
1.0E31
-1.0E31
tof_arr
tof_arr
21473672
4
Last Index Fastest
Time-of-flight (TOF) array with dimension (NMLUT, NENERGY, NBINS, NMASS). Gives average TOF value for mass bins.
IEEE754MSBSingle
mass
32
1
angle
8
2
energy
32
3
mlut_index
9
4
-1.0E31
1.0E31
-1.0E31
twt_arr
twt_arr
21769116
4
Last Index Fastest
Time-of-flight Weight (TWT) array with dimension (NMLUT, NENERGY, NBINS, NMASS). Gives number of TOF bins in a given mass bin. Used for normalizing a mass spectra.
IEEE754MSBSingle
mass
32
1
angle
8
2
energy
32
3
mlut_index
9
4
-1.0E31
1.0E31
-1.0E31
I. APID cd (32e8d32m) - 32 energy x 8 deflection x 32 mass ion distributions
This sample data product label is from the MAVEN STATIC Calibrated Energy Flux:
32 Energy X 8 Solid Angle X 32 Mass Bins Data Collection
(LID = urn:nasa:pds:maven.static.c:data.cd_32e8d32m). The sample label is for the date
2015-06-02.
urn:nasa:pds:maven.static.c:data.cd_32e8d32m:mvn_sta_l2_cd-32e8d32m_20150602
3.0
MAVEN STATIC Ion Spectra for 2015-06-02
1.4.0.0
Product_Observational
McFadden, J. P.
2018
Time-ordered, fully calibrated differential energy flux in 32 energy bin x 8 solid angle bin (8 deflection angles and summed over anodes, but assumed that counts are from anode 7 in the ram direction) x 32 mass bin arrays covering 2015-06-02.
2018-05-21
3.0
This file has been updated to correct the algorithm for generating the array of look directions blocked by the spacecraft (BINS_SC), and the algorithm for generating the dead-time and detector droop correction array (DEAD) was updated to use variable background rates.
2015-06-02T01:44:36.255Z
2015-06-02T15:10:32.014Z
Science
Calibrated
Magnetosphere
Particles
Ions
Plasma
Mars Atmosphere and Volatile EvolutioN Mission
Mission
urn:nasa:pds:context:investigation:mission.maven
data_to_investigation
MAVEN
Spacecraft
urn:nasa:pds:context:instrument_host:spacecraft.maven
is_instrument_host
STATIC
Instrument
urn:nasa:pds:context:instrument:static.maven
is_instrument
Mars
Planet
urn:nasa:pds:context:target:planet.mars
data_to_target
Prime Mission
3.1882047995143004E13
3.1885217035829008E13
project_name
MAVEN
M
spacecraft
0
0
data_name
XX YYY where XX is the APID and YYY is the array abbreviation (64e2m, 32e32m, etc.)
c
apid
Application Process Identifier (APID) for the packet from which the data are taken.
c
units_name
eflux
c
units_procedure
mvn_convert_sta_units, name of IDL routine used for units conversion
m
num_dists
Number of measurements or times in the file
296
nenergy
Number of energy bins
32
nbins
Number of solid angle bins
8
nmass
Number of mass bins
32
ndef
Number of deflector angle bins
8
nanode
Number of anode bins
1
natt
Number of attenuator states: 4
4
nswp
Number of sweep tables - will increase over mission as new sweep modes are added
27
neff
Number of efficiency arrays - will increase over mission as sensor degrades
128
nmlut
Number of MLUT tables - will increase over mission as new modes are developed
9
geom_factor
Geometric factor of a single 22.5 degree sector
1.9567319E-4
mass
Proton mass (0.01044) in units of MeV/c2
0.010438871
charge
Proton charge (1)
1.0
dead_time_1
Dead time for processed events. Dead time corrections are generally not necessary. Corrections require use of STATIC APID DA rate packets.
420.0
dead_time_2
Dead time for rejected events. Dead time corrections are generally not necessary. Corrections require use of STATIC APID DA rate packets.
660.0
dead_time_3
Dead time for stop-no-start events. Dead time corrections are generally not necessary. Corrections require use of STATIC APID DA rate packets.
460.0
Background counts
Background counts array with dimensions (NUM_DISTS, NENERGY, NBINS, NMASS)
bkg
particle_observation_to_observation_values
energy
particle_observation_to_aligned_values
denergy
particle_observation_to_aligned_values
theta
particle_observation_to_aligned_values
dtheta
particle_observation_to_aligned_values
phi
particle_observation_to_aligned_values
dphi
particle_observation_to_aligned_values
domega
particle_observation_to_aligned_values
gf
particle_observation_to_aligned_values
eff
particle_observation_to_aligned_values
mass_arr
particle_observation_to_aligned_values
tof_arr
particle_observation_to_aligned_values
twt_arr
particle_observation_to_aligned_values
Dead_time correction
Dead time correction array with dimensions (NUM_DISTS, NENERGY, NBINS, NMASS), values 0.0 to 1.0, divide by this to correct.
dead
particle_observation_to_observation_values
energy
particle_observation_to_aligned_values
denergy
particle_observation_to_aligned_values
theta
particle_observation_to_aligned_values
dtheta
particle_observation_to_aligned_values
phi
particle_observation_to_aligned_values
dphi
particle_observation_to_aligned_values
domega
particle_observation_to_aligned_values
gf
particle_observation_to_aligned_values
eff
particle_observation_to_aligned_values
mass_arr
particle_observation_to_aligned_values
tof_arr
particle_observation_to_aligned_values
twt_arr
particle_observation_to_aligned_values
Data counts
Counts array with dimensions (NUM_DISTS, NENERGY, NBINS, NMASS)
data
particle_observation_to_observation_values
energy
particle_observation_to_aligned_values
denergy
particle_observation_to_aligned_values
theta
particle_observation_to_aligned_values
dtheta
particle_observation_to_aligned_values
phi
particle_observation_to_aligned_values
dphi
particle_observation_to_aligned_values
domega
particle_observation_to_aligned_values
gf
particle_observation_to_aligned_values
eff
particle_observation_to_aligned_values
mass_arr
particle_observation_to_aligned_values
tof_arr
particle_observation_to_aligned_values
twt_arr
particle_observation_to_aligned_values
Energy flux
Differential energy flux array with dimensions (NUM_DISTS, NENERGY, NBINS, NMASS)
eflux
particle_observation_to_observation_values
energy
particle_observation_to_aligned_values
denergy
particle_observation_to_aligned_values
theta
particle_observation_to_aligned_values
dtheta
particle_observation_to_aligned_values
phi
particle_observation_to_aligned_values
dphi
particle_observation_to_aligned_values
domega
particle_observation_to_aligned_values
gf
particle_observation_to_aligned_values
eff
particle_observation_to_aligned_values
mass_arr
particle_observation_to_aligned_values
tof_arr
particle_observation_to_aligned_values
twt_arr
particle_observation_to_aligned_values
gf
Geometric Factor array with dimension (NSWP, NENERGY, NBINS, NMASS)
gf
particle_observation_to_observation_values
att_ind
particle_observation_to_axis_values
1
index
particle_observation_to_axis_values
2
index
particle_observation_to_axis_values
3
energy
particle_observation_to_aligned_values
denergy
particle_observation_to_aligned_values
theta
particle_observation_to_aligned_values
dtheta
particle_observation_to_aligned_values
phi
particle_observation_to_aligned_values
dphi
particle_observation_to_aligned_values
domega
particle_observation_to_aligned_values
gf
particle_observation_to_aligned_values
eff
particle_observation_to_aligned_values
mass_arr
particle_observation_to_aligned_values
tof_arr
particle_observation_to_aligned_values
twt_arr
particle_observation_to_aligned_values
eff
Efficiency array with dimension (NEFF, NENERGY, NBINS, NMASS)
eff
particle_observation_to_observation_values
index
particle_observation_to_axis_values
1
index
particle_observation_to_axis_values
2
eff_ind
particle_observation_to_axis_values
3
energy
particle_observation_to_aligned_values
denergy
particle_observation_to_aligned_values
theta
particle_observation_to_aligned_values
dtheta
particle_observation_to_aligned_values
phi
particle_observation_to_aligned_values
dphi
particle_observation_to_aligned_values
domega
particle_observation_to_aligned_values
gf
particle_observation_to_aligned_values
eff
particle_observation_to_aligned_values
mass_arr
particle_observation_to_aligned_values
tof_arr
particle_observation_to_aligned_values
twt_arr
particle_observation_to_aligned_values
time values
epoch
data_values_to_data_values
time_met
data_values_to_data_values
time_unix
data_values_to_data_values
urn:nasa:pds:maven.spice:spice_kernels:lsk_naif0012.tls::1.0
data_to_spice_kernel
This data file was processed using the SPICE leapsecond kernel: naif0012.tls.
urn:nasa:pds:maven.spice:spice_kernels:sclk_mvn_sclkscet_00055.tsc::1.0
data_to_spice_kernel
This data file was processed using the SPICE MAVEN SCLK kernel: MVN_SCLKSCET.00055.tsc.
mvn_sta_l2_cd-32e8d32m_20150602_v02_r00.cdf
2018-05-21T08:14:22
50952316
bfb74a003155327d74e3a0567263067a
CDF Header
0
404
CDF 3.4 ISTP/IACG
TT2000
epoch
89013
1
Last Index Fastest
UTC time from 01-Jan-2000 12:00:00.000 (including leap seconds), stored as an integer in nanoseconds.
SignedMSB8
nanosec
epoch
296
1
-0.0
3.595796016651621E-222
2.2152726415982762E-279
Mission Elapsed Time
time_met
91885
1
Last Index Fastest
Mission elapsed time for this data record.
IEEE754MSBDouble
sec
epoch
296
1
-1.0E31
8.5587834E8
0.0
SPICE Ephemeris Time
time_ephemeris
94757
1
Last Index Fastest
Time used by SPICE program.
IEEE754MSBDouble
sec
epoch
296
1
-1.0E31
1.293883209183998E9
4.380048671839981E8
Unix Time
time_unix
97629
1
Last Index Fastest
Unix time (elapsed seconds since 1970-01-01/00:00 without leap seconds) for this data record. This time is the center time of data collection.
IEEE754MSBDouble
sec
epoch
296
1
-1.0E31
2.24061114E9
1.3847328E9
Interval start time (unix)
time_start
100501
1
Last Index Fastest
Unix time at the start of data collection. (NUM_DISTS elements)
IEEE754MSBDouble
sec
epoch
296
1
-1.0E31
2.24061114E9
1.3847328E9
Interval end time (unix)
time_end
103373
1
Last Index Fastest
Unix time at the end of data collection. (NUM_DISTS elements)
IEEE754MSBDouble
sec
epoch
296
1
-1.0E31
2.24061114E9
1.3847328E9
Averaging time
time_delta
106245
1
Last Index Fastest
Averaging time. (TIME_DELTA = TIME_END - TIME_START).
IEEE754MSBDouble
sec
epoch
296
1
-1.0E31
1.0E31
-1.0E31
Integration time
time_integ
109117
1
Last Index Fastest
Integration time. (TIME_DELTA / (NENERGY*NDEF)).
IEEE754MSBDouble
sec
epoch
296
1
-1.0E31
1.0E31
-1.0E31
Eprom version
eprom_ver
111983
1
Last Index Fastest
An integer designating the flight EPROM version number that determines stored Real Time Sequence (RTS) commands and table loads that configure the STATIC instrument and determine energy and angle sweeps.
SignedMSB2
epoch
296
1
-32768
32767
-32767
Header
header
113075
1
Last Index Fastest
A long integer that consists of bytes 12-15 in data packet header. See MAVEN_PF_FSW_021_CTM.xls for definition of header bits. (NUM_DISTS elements)
SignedMSB4
epoch
296
1
-2147483648
2147483647
-2147483647
Valid flag
valid
114757
1
Last Index Fastest
Validity flag codes valid data (bit 0), test pulser on (bit 1), diagnostic mode (bit 2), data compression type (bit 3-4), packet compression (bit 5) (NUM_DISTS elements)
SignedMSB2
epoch
296
1
-32768
32767
-32767
Mode number
mode
115847
1
Last Index Fastest
Decoded mode number: 1=ram, 2=conic, 3=pickup, 4=scan, 5=eclipse, 6=protect
SignedMSB2
epoch
296
1
-32768
32767
-32767
Telemetry rate number
rate
116937
1
Last Index Fastest
Decoded telemetry rate number. (NUM_DISTS elements)
SignedMSB2
epoch
296
1
-32768
32767
-32767
Sweep index
swp_ind
118027
1
Last Index Fastest
Index that identifies the energy and deflector sweep look up tables (LUT) for the sensor. SWP_IND is an index that selects the following support data arrays: ENERGY, DENERGY, THETA, DTHETA, PHI, DPHI, DOMEGA, GF and MASS_ARR. (NUM_DISTS elements), SWP_IND Le NSWP
SignedMSB2
epoch
296
1
-32768
32767
-32767
MLUT index
mlut_ind
119117
1
Last Index Fastest
Index that identifies the onboard mass look up table (MLUT). MLUT_IND is an index that selects the following support data: TOF_ARR. (NUM_DISTS elements) MLUT Le NMLUT
SignedMSB2
epoch
296
1
-32768
32767
-32767
Efficiency index
eff_ind
120207
1
Last Index Fastest
Index that identifies the efficiency calibration table to be used. EFF_IND is an index that selects the following support data: EFF. (NUM_DISTS elements) EFF_IND Le NEFF
SignedMSB2
epoch
296
1
-32768
32767
-32767
Attenuator state
att_ind
121297
1
Last Index Fastest
Index that identifies the attenuator state (0 = no attenuation, 1 = electrostatic attenuation, 2 = mechanical attenuation, 3 = mechanical and electrostatic attenuation). (NUM_DISTS elements)
SignedMSB2
epoch
296
1
-32768
32767
-32767
Spacecraft potential
sc_pot
122389
1
Last Index Fastest
Spacecraft potential
IEEE754MSBSingle
volts
epoch
296
1
-1.0E31
1.0E31
-1.0E31
Magnetic field
magf
124081
2
Last Index Fastest
Magnetic field vector with dimension (3) in STATIC coordinates
IEEE754MSBSingle
nT
epoch
296
1
vector_components
3
2
-1.0E31
1.0E31
-1.0E31
Quaternion to SC
quat_sc
128141
2
Last Index Fastest
Quaternion elements to rotate from STATIC coordinates (same as APP coordinates) to SC coordinates (NUM_DISTS, 3)
IEEE754MSBSingle
epoch
296
1
quaternion_elements
4
2
-1.0E31
1.0E31
-1.0E31
Quaternion to MSO
quat_mso
133385
2
Last Index Fastest
Quaternion elements to rotate from STATIC coordinates (same as APP coordinates) to MSO coordinates (NUM_DISTS, 3)
IEEE754MSBSingle
epoch
296
1
quaternion_elements
4
2
-1.0E31
1.0E31
-1.0E31
Bins flag
bins_sc
138627
2
Last Index Fastest
Integer array of 1s and 0s with dimension (NBINS) Used to identify angle bins that include (value=0) spacecraft surfaces. If NBINS=1, then BINS_SC is set to 1. Values=0 indicates a solid angle bin with more than 50% blockage by the spacecraft.
SignedMSB2
epoch
296
1
angle
8
2
-32768
32767
-32767
SC position MSO
pos_sc_mso
143871
2
Last Index Fastest
Spacecraft position in MSO coordinates with dimension (NUM_DISTS, 3)
IEEE754MSBSingle
epoch
296
1
vector_components
3
2
-1.0E31
1.0E31
-1.0E31
Background counts
bkg
147947
4
Last Index Fastest
Background counts array with dimensions (NUM_DISTS, NENERGY, NBINS, NMASS)
IEEE754MSBSingle
Counts
epoch
296
1
mass
32
2
angle
8
3
energy
32
4
-1.0E31
1.0E31
-1.0E31
Dead_time correction
dead
9847799
4
Last Index Fastest
Dead time correction array with dimensions (NUM_DISTS, NENERGY, NBINS, NMASS), values 0.0 to 1.0, divide by this to correct.
IEEE754MSBSingle
epoch
296
1
mass
32
2
angle
8
3
energy
32
4
-1.0E31
1.0E31
-1.0E31
Data counts
data
19547651
4
Last Index Fastest
Counts array with dimensions (NUM_DISTS, NENERGY, NBINS, NMASS)
IEEE754MSBSingle
Counts
epoch
296
1
mass
32
2
angle
8
3
energy
32
4
-1.0E31
1.0E31
-1.0E31
Energy flux
eflux
29247503
4
Last Index Fastest
Differential energy flux array with dimensions (NUM_DISTS, NENERGY, NBINS, NMASS)
IEEE754MSBSingle
eV/sr/sec
epoch
296
1
mass
32
2
angle
8
3
energy
32
4
-1.0E31
1.0E31
-1.0E31
Quality flag
quality_flag
38947329
1
Last Index Fastest
Quality flag: test pulser on (bit 0), diagnostic mode (bit 1), dead time correction >2 flag (bit 2), detector droop correction >2 flag (bit 3), dead time correction not at event time (bit 4), electrostatic attenuator problem (bit 5), attenuator change during accumulation (bit 6), mode change during accumulation (bit 7), LPW interference with data (bit 8), high background (bit 9), no background subtraction array (bit 10), missing spacecraft potential (bit 11), inflight calibration incomplete (bit 12), geometric factor problem (bit 13), ion suppression problem (bit 14), 0 (bit 15)
SignedMSB2
epoch
296
1
-32768
32767
-32767
bins
bins
38956499
1
Last Index Fastest
Array with dimension NBINS containing 1 OR 0 used to flag bad solid angle bins
SignedMSB2
angle
8
1
-32768
32767
-32767
energy
energy
38957047
4
Last Index Fastest
Energy array with dimension (NSWP, NENERGY, NBINS, NMASS)
IEEE754MSBSingle
eV
mass
32
1
angle
8
2
energy
32
3
swp_index
27
4
-1.0E31
1.0E31
-1.0E31
denergy
denergy
39842315
4
Last Index Fastest
Delta Energy array with dimension (NSWP, NENERGY, NBINS, NMASS)
IEEE754MSBSingle
eV
mass
32
1
angle
8
2
energy
32
3
swp_index
27
4
-1.0E31
1.0E31
-1.0E31
theta
theta
40727583
4
Last Index Fastest
Angle array with with dimension (NSWP, NENERGY, NBINS, NMASS)
IEEE754MSBSingle
Degrees
mass
32
1
angle
8
2
energy
32
3
swp_index
27
4
-1.0E31
1.0E31
-1.0E31
dtheta
dtheta
41612851
4
Last Index Fastest
Delta Angle array with dimension (NSWP, NENERGY, NBINS, NMASS)
IEEE754MSBSingle
Degrees
mass
32
1
angle
8
2
energy
32
3
swp_index
27
4
-1.0E31
1.0E31
-1.0E31
phi
phi
42498119
4
Last Index Fastest
Angle array with dimension (NSWP, NENERGY, NBINS, NMASS)
IEEE754MSBSingle
Degrees
mass
32
1
angle
8
2
energy
32
3
swp_index
27
4
-1.0E31
1.0E31
-1.0E31
dphi
dphi
43383387
4
Last Index Fastest
Delta Angle array with dimension (NSWP, NENERGY, NBINS, NMASS)
IEEE754MSBSingle
Degrees
mass
32
1
angle
8
2
energy
32
3
swp_index
27
4
-1.0E31
1.0E31
-1.0E31
domega
domega
44268655
4
Last Index Fastest
Delta Solid Angle array with dimension (NSWP, NENERGY, NBINS, NMASS)
IEEE754MSBSingle
Steradians
mass
32
1
angle
8
2
energy
32
3
swp_index
27
4
-1.0E31
1.0E31
-1.0E31
gf
gf
45153923
4
Last Index Fastest
Geometric Factor array with dimension (NSWP, NENERGY, NBINS, NMASS)
IEEE754MSBSingle
att_ind
4
1
angle
8
2
energy
32
3
swp_index
27
4
-1.0E31
1.0E31
-1.0E31
eff
eff
45265047
4
Last Index Fastest
Efficiency array with dimension (NEFF, NENERGY, NBINS, NMASS)
IEEE754MSBSingle
mass
32
1
angle
8
2
energy
32
3
eff_index
128
4
-1.0E31
1.0E31
-1.0E31
mass_arr
mass_arr
49459883
4
Last Index Fastest
Mass array with dimension (NSWP, NENERGY, NBINS, NMASS). Nominal mass of a mass bin in units of AMUs based on TOF. This array is not integer AMU.
IEEE754MSBSingle
AMU
mass
32
1
angle
8
2
energy
32
3
swp_index
27
4
-1.0E31
1.0E31
-1.0E31
tof_arr
tof_arr
50345151
4
Last Index Fastest
Time-of-flight (TOF) array with dimension (NMLUT, NENERGY, NBINS, NMASS). Gives average TOF value for mass bins.
IEEE754MSBSingle
mass
32
1
angle
8
2
energy
32
3
mlut_index
9
4
-1.0E31
1.0E31
-1.0E31
twt_arr
twt_arr
50640595
4
Last Index Fastest
Time-of-flight Weight (TWT) array with dimension (NMLUT, NENERGY, NBINS, NMASS). Gives number of TOF bins in a given mass bin. Used for normalizing a mass spectra.
IEEE754MSBSingle
mass
32
1
angle
8
2
energy
32
3
mlut_index
9
4
-1.0E31
1.0E31
-1.0E31
J. APID ce (16e4d16a16m) - 16 energy x 4 deflection x 16 anode x 16 mass ion distributions
This sample data product label is from the MAVEN STATIC Calibrated Energy Flux:
16 Energy X 64 Solid Angle Bins Data Collection
(LID = urn:nasa:pds:maven.static.c:data.ce_16e4d16a16m). The sample label is for the date
2016-02-02.
urn:nasa:pds:maven.static.c:data.ce_16e4d16a16m:mvn_sta_l2_ce-16e4d16a16m_20160202
3.0
MAVEN STATIC Ion Spectra for 2016-02-02
1.4.0.0
Product_Observational
McFadden, J. P.
2018
Time-ordered, fully calibrated differential energy flux in 16 energy bin x 64 solid angle bin (4 deflection angles x 16 anodes) x 16 mass bin arrays covering 2016-02-02.
2018-05-19
3.0
This file has been updated to correct the algorithm for generating the array of look directions blocked by the spacecraft (BINS_SC), and the algorithm for generating the dead-time and detector droop correction array (DEAD) was updated to use variable background rates.
2016-02-02T16:06:49.695Z
2016-02-02T16:07:33.695Z
Science
Calibrated
Magnetosphere
Particles
Ions
Plasma
Mars Atmosphere and Volatile EvolutioN Mission
Mission
urn:nasa:pds:context:investigation:mission.maven
data_to_investigation
MAVEN
Spacecraft
urn:nasa:pds:context:instrument_host:spacecraft.maven
is_instrument_host
STATIC
Instrument
urn:nasa:pds:context:instrument:static.maven
is_instrument
Mars
Planet
urn:nasa:pds:context:target:planet.mars
data_to_target
EM-1
3.3272703311511996E13
3.3272706195064E13
project_name
MAVEN
M
spacecraft
0
0
data_name
XX YYY where XX is the APID and YYY is the array abbreviation (64e2m, 32e32m, etc.)
c
apid
Application Process Identifier (APID) for the packet from which the data are taken.
c
units_name
eflux
c
units_procedure
mvn_convert_sta_units, name of IDL routine used for units conversion
m
num_dists
Number of measurements or times in the file
2
nenergy
Number of energy bins
16
nbins
Number of solid angle bins
64
nmass
Number of mass bins
16
ndef
Number of deflector angle bins
4
nanode
Number of anode bins
16
natt
Number of attenuator states: 4
4
nswp
Number of sweep tables - will increase over mission as new sweep modes are added
27
neff
Number of efficiency arrays - will increase over mission as sensor degrades
128
nmlut
Number of MLUT tables - will increase over mission as new modes are developed
9
geom_factor
Geometric factor of a single 22.5 degree sector
1.9567319E-4
mass
Proton mass (0.01044) in units of MeV/c2
0.010438871
charge
Proton charge (1)
1.0
dead_time_1
Dead time for processed events. Dead time corrections are generally not necessary. Corrections require use of STATIC APID DA rate packets.
420.0
dead_time_2
Dead time for rejected events. Dead time corrections are generally not necessary. Corrections require use of STATIC APID DA rate packets.
660.0
dead_time_3
Dead time for stop-no-start events. Dead time corrections are generally not necessary. Corrections require use of STATIC APID DA rate packets.
460.0
Background counts
Background counts array with dimensions (NUM_DISTS, NENERGY, NBINS, NMASS)
bkg
particle_observation_to_observation_values
energy
particle_observation_to_aligned_values
denergy
particle_observation_to_aligned_values
theta
particle_observation_to_aligned_values
dtheta
particle_observation_to_aligned_values
phi
particle_observation_to_aligned_values
dphi
particle_observation_to_aligned_values
domega
particle_observation_to_aligned_values
gf
particle_observation_to_aligned_values
eff
particle_observation_to_aligned_values
mass_arr
particle_observation_to_aligned_values
tof_arr
particle_observation_to_aligned_values
twt_arr
particle_observation_to_aligned_values
Dead_time correction
Dead time correction array with dimensions (NUM_DISTS, NENERGY, NBINS, NMASS), values 0.0 to 1.0, divide by this to correct.
dead
particle_observation_to_observation_values
energy
particle_observation_to_aligned_values
denergy
particle_observation_to_aligned_values
theta
particle_observation_to_aligned_values
dtheta
particle_observation_to_aligned_values
phi
particle_observation_to_aligned_values
dphi
particle_observation_to_aligned_values
domega
particle_observation_to_aligned_values
gf
particle_observation_to_aligned_values
eff
particle_observation_to_aligned_values
mass_arr
particle_observation_to_aligned_values
tof_arr
particle_observation_to_aligned_values
twt_arr
particle_observation_to_aligned_values
Data counts
Counts array with dimensions (NUM_DISTS, NENERGY, NBINS, NMASS)
data
particle_observation_to_observation_values
energy
particle_observation_to_aligned_values
denergy
particle_observation_to_aligned_values
theta
particle_observation_to_aligned_values
dtheta
particle_observation_to_aligned_values
phi
particle_observation_to_aligned_values
dphi
particle_observation_to_aligned_values
domega
particle_observation_to_aligned_values
gf
particle_observation_to_aligned_values
eff
particle_observation_to_aligned_values
mass_arr
particle_observation_to_aligned_values
tof_arr
particle_observation_to_aligned_values
twt_arr
particle_observation_to_aligned_values
Energy flux
Differential energy flux array with dimensions (NUM_DISTS, NENERGY, NBINS, NMASS)
eflux
particle_observation_to_observation_values
energy
particle_observation_to_aligned_values
denergy
particle_observation_to_aligned_values
theta
particle_observation_to_aligned_values
dtheta
particle_observation_to_aligned_values
phi
particle_observation_to_aligned_values
dphi
particle_observation_to_aligned_values
domega
particle_observation_to_aligned_values
gf
particle_observation_to_aligned_values
eff
particle_observation_to_aligned_values
mass_arr
particle_observation_to_aligned_values
tof_arr
particle_observation_to_aligned_values
twt_arr
particle_observation_to_aligned_values
gf
Geometric Factor array with dimension (NSWP, NENERGY, NBINS, NMASS)
gf
particle_observation_to_observation_values
att_ind
particle_observation_to_axis_values
1
index
particle_observation_to_axis_values
2
index
particle_observation_to_axis_values
3
energy
particle_observation_to_aligned_values
denergy
particle_observation_to_aligned_values
theta
particle_observation_to_aligned_values
dtheta
particle_observation_to_aligned_values
phi
particle_observation_to_aligned_values
dphi
particle_observation_to_aligned_values
domega
particle_observation_to_aligned_values
gf
particle_observation_to_aligned_values
eff
particle_observation_to_aligned_values
mass_arr
particle_observation_to_aligned_values
tof_arr
particle_observation_to_aligned_values
twt_arr
particle_observation_to_aligned_values
eff
Efficiency array with dimension (NEFF, NENERGY, NBINS, NMASS)
eff
particle_observation_to_observation_values
index
particle_observation_to_axis_values
1
index
particle_observation_to_axis_values
2
eff_ind
particle_observation_to_axis_values
3
energy
particle_observation_to_aligned_values
denergy
particle_observation_to_aligned_values
theta
particle_observation_to_aligned_values
dtheta
particle_observation_to_aligned_values
phi
particle_observation_to_aligned_values
dphi
particle_observation_to_aligned_values
domega
particle_observation_to_aligned_values
gf
particle_observation_to_aligned_values
eff
particle_observation_to_aligned_values
mass_arr
particle_observation_to_aligned_values
tof_arr
particle_observation_to_aligned_values
twt_arr
particle_observation_to_aligned_values
time values
epoch
data_values_to_data_values
time_met
data_values_to_data_values
time_unix
data_values_to_data_values
urn:nasa:pds:maven.spice:spice_kernels:lsk_naif0012.tls::1.0
data_to_spice_kernel
This data file was processed using the SPICE leapsecond kernel: naif0012.tls.
urn:nasa:pds:maven.spice:spice_kernels:sclk_mvn_sclkscet_00055.tsc::1.0
data_to_spice_kernel
This data file was processed using the SPICE MAVEN SCLK kernel: MVN_SCLKSCET.00055.tsc.
mvn_sta_l2_ce-16e4d16a16m_20160202_v02_r00.cdf
2018-05-19T02:27:29
24826653
5c65a3ddc5fe5293bc48e4b5702f7897
CDF Header
0
404
CDF 3.4 ISTP/IACG
TT2000
epoch
89048
1
Last Index Fastest
UTC time from 01-Jan-2000 12:00:00.000 (including leap seconds), stored as an integer in nanoseconds.
SignedMSB8
nanosec
epoch
2
1
-0.0
3.595796016651621E-222
2.2152726415982762E-279
Mission Elapsed Time
time_met
89568
1
Last Index Fastest
Mission elapsed time for this data record.
IEEE754MSBDouble
sec
epoch
2
1
-1.0E31
8.5587834E8
0.0
SPICE Ephemeris Time
time_ephemeris
90088
1
Last Index Fastest
Time used by SPICE program.
IEEE754MSBDouble
sec
epoch
2
1
-1.0E31
1.293883209183998E9
4.380048671839981E8
Unix Time
time_unix
90608
1
Last Index Fastest
Unix time (elapsed seconds since 1970-01-01/00:00 without leap seconds) for this data record. This time is the center time of data collection.
IEEE754MSBDouble
sec
epoch
2
1
-1.0E31
2.24061114E9
1.3847328E9
Interval start time (unix)
time_start
91128
1
Last Index Fastest
Unix time at the start of data collection. (NUM_DISTS elements)
IEEE754MSBDouble
sec
epoch
2
1
-1.0E31
2.24061114E9
1.3847328E9
Interval end time (unix)
time_end
91648
1
Last Index Fastest
Unix time at the end of data collection. (NUM_DISTS elements)
IEEE754MSBDouble
sec
epoch
2
1
-1.0E31
2.24061114E9
1.3847328E9
Averaging time
time_delta
92168
1
Last Index Fastest
Averaging time. (TIME_DELTA = TIME_END - TIME_START).
IEEE754MSBDouble
sec
epoch
2
1
-1.0E31
1.0E31
-1.0E31
Integration time
time_integ
92688
1
Last Index Fastest
Integration time. (TIME_DELTA / (NENERGY*NDEF)).
IEEE754MSBDouble
sec
epoch
2
1
-1.0E31
1.0E31
-1.0E31
Eprom version
eprom_ver
93202
1
Last Index Fastest
An integer designating the flight EPROM version number that determines stored Real Time Sequence (RTS) commands and table loads that configure the STATIC instrument and determine energy and angle sweeps.
SignedMSB2
epoch
2
1
-32768
32767
-32767
Header
header
93706
1
Last Index Fastest
A long integer that consists of bytes 12-15 in data packet header. See MAVEN_PF_FSW_021_CTM.xls for definition of header bits. (NUM_DISTS elements)
SignedMSB4
epoch
2
1
-2147483648
2147483647
-2147483647
Valid flag
valid
94212
1
Last Index Fastest
Validity flag codes valid data (bit 0), test pulser on (bit 1), diagnostic mode (bit 2), data compression type (bit 3-4), packet compression (bit 5) (NUM_DISTS elements)
SignedMSB2
epoch
2
1
-32768
32767
-32767
Mode number
mode
94714
1
Last Index Fastest
Decoded mode number: 1=ram, 2=conic, 3=pickup, 4=scan, 5=eclipse, 6=protect
SignedMSB2
epoch
2
1
-32768
32767
-32767
Telemetry rate number
rate
95216
1
Last Index Fastest
Decoded telemetry rate number. (NUM_DISTS elements)
SignedMSB2
epoch
2
1
-32768
32767
-32767
Sweep index
swp_ind
95718
1
Last Index Fastest
Index that identifies the energy and deflector sweep look up tables (LUT) for the sensor. SWP_IND is an index that selects the following support data arrays: ENERGY, DENERGY, THETA, DTHETA, PHI, DPHI, DOMEGA, GF and MASS_ARR. (NUM_DISTS elements), SWP_IND Le NSWP
SignedMSB2
epoch
2
1
-32768
32767
-32767
MLUT index
mlut_ind
96220
1
Last Index Fastest
Index that identifies the onboard mass look up table (MLUT). MLUT_IND is an index that selects the following support data: TOF_ARR. (NUM_DISTS elements) MLUT Le NMLUT
SignedMSB2
epoch
2
1
-32768
32767
-32767
Efficiency index
eff_ind
96722
1
Last Index Fastest
Index that identifies the efficiency calibration table to be used. EFF_IND is an index that selects the following support data: EFF. (NUM_DISTS elements) EFF_IND Le NEFF
SignedMSB2
epoch
2
1
-32768
32767
-32767
Attenuator state
att_ind
97224
1
Last Index Fastest
Index that identifies the attenuator state (0 = no attenuation, 1 = electrostatic attenuation, 2 = mechanical attenuation, 3 = mechanical and electrostatic attenuation). (NUM_DISTS elements)
SignedMSB2
epoch
2
1
-32768
32767
-32767
Spacecraft potential
sc_pot
97728
1
Last Index Fastest
Spacecraft potential
IEEE754MSBSingle
volts
epoch
2
1
-1.0E31
1.0E31
-1.0E31
Magnetic field
magf
98244
2
Last Index Fastest
Magnetic field vector with dimension (3) in STATIC coordinates
IEEE754MSBSingle
nT
epoch
2
1
vector_components
3
2
-1.0E31
1.0E31
-1.0E31
Quaternion to SC
quat_sc
98776
2
Last Index Fastest
Quaternion elements to rotate from STATIC coordinates (same as APP coordinates) to SC coordinates (NUM_DISTS, 3)
IEEE754MSBSingle
epoch
2
1
quaternion_elements
4
2
-1.0E31
1.0E31
-1.0E31
Quaternion to MSO
quat_mso
99316
2
Last Index Fastest
Quaternion elements to rotate from STATIC coordinates (same as APP coordinates) to MSO coordinates (NUM_DISTS, 3)
IEEE754MSBSingle
epoch
2
1
quaternion_elements
4
2
-1.0E31
1.0E31
-1.0E31
Bins flag
bins_sc
99854
2
Last Index Fastest
Integer array of 1s and 0s with dimension (NBINS) Used to identify angle bins that include (value=0) spacecraft surfaces. If NBINS=1, then BINS_SC is set to 1. Values=0 indicates a solid angle bin with more than 50% blockage by the spacecraft.
SignedMSB2
epoch
2
1
angle
64
2
-32768
32767
-32767
SC position MSO
pos_sc_mso
100618
2
Last Index Fastest
Spacecraft position in MSO coordinates with dimension (NUM_DISTS, 3)
IEEE754MSBSingle
epoch
2
1
vector_components
3
2
-1.0E31
1.0E31
-1.0E31
Background counts
bkg
101166
4
Last Index Fastest
Background counts array with dimensions (NUM_DISTS, NENERGY, NBINS, NMASS)
IEEE754MSBSingle
Counts
epoch
2
1
mass
16
2
angle
64
3
energy
16
4
-1.0E31
1.0E31
-1.0E31
Dead_time correction
dead
232762
4
Last Index Fastest
Dead time correction array with dimensions (NUM_DISTS, NENERGY, NBINS, NMASS), values 0.0 to 1.0, divide by this to correct.
IEEE754MSBSingle
epoch
2
1
mass
16
2
angle
64
3
energy
16
4
-1.0E31
1.0E31
-1.0E31
Data counts
data
364358
4
Last Index Fastest
Counts array with dimensions (NUM_DISTS, NENERGY, NBINS, NMASS)
IEEE754MSBSingle
Counts
epoch
2
1
mass
16
2
angle
64
3
energy
16
4
-1.0E31
1.0E31
-1.0E31
Energy flux
eflux
495954
4
Last Index Fastest
Differential energy flux array with dimensions (NUM_DISTS, NENERGY, NBINS, NMASS)
IEEE754MSBSingle
eV/sr/sec
epoch
2
1
mass
16
2
angle
64
3
energy
16
4
-1.0E31
1.0E31
-1.0E31
Quality flag
quality_flag
627524
1
Last Index Fastest
Quality flag: test pulser on (bit 0), diagnostic mode (bit 1), dead time correction >2 flag (bit 2), detector droop correction >2 flag (bit 3), dead time correction not at event time (bit 4), electrostatic attenuator problem (bit 5), attenuator change during accumulation (bit 6), mode change during accumulation (bit 7), LPW interference with data (bit 8), high background (bit 9), no background subtraction array (bit 10), missing spacecraft potential (bit 11), inflight calibration incomplete (bit 12), geometric factor problem (bit 13), ion suppression problem (bit 14), 0 (bit 15)
SignedMSB2
epoch
2
1
-32768
32767
-32767
bins
bins
636112
1
Last Index Fastest
Array with dimension NBINS containing 1 OR 0 used to flag bad solid angle bins
SignedMSB2
angle
64
1
-32768
32767
-32767
energy
energy
636772
4
Last Index Fastest
Energy array with dimension (NSWP, NENERGY, NBINS, NMASS)
IEEE754MSBSingle
eV
mass
16
1
angle
64
2
energy
16
3
swp_index
27
4
-1.0E31
1.0E31
-1.0E31
denergy
denergy
2406776
4
Last Index Fastest
Delta Energy array with dimension (NSWP, NENERGY, NBINS, NMASS)
IEEE754MSBSingle
eV
mass
16
1
angle
64
2
energy
16
3
swp_index
27
4
-1.0E31
1.0E31
-1.0E31
theta
theta
4176780
4
Last Index Fastest
Angle array with with dimension (NSWP, NENERGY, NBINS, NMASS)
IEEE754MSBSingle
Degrees
mass
16
1
angle
64
2
energy
16
3
swp_index
27
4
-1.0E31
1.0E31
-1.0E31
dtheta
dtheta
5946784
4
Last Index Fastest
Delta Angle array with dimension (NSWP, NENERGY, NBINS, NMASS)
IEEE754MSBSingle
Degrees
mass
16
1
angle
64
2
energy
16
3
swp_index
27
4
-1.0E31
1.0E31
-1.0E31
phi
phi
7716788
4
Last Index Fastest
Angle array with dimension (NSWP, NENERGY, NBINS, NMASS)
IEEE754MSBSingle
Degrees
mass
16
1
angle
64
2
energy
16
3
swp_index
27
4
-1.0E31
1.0E31
-1.0E31
dphi
dphi
9486792
4
Last Index Fastest
Delta Angle array with dimension (NSWP, NENERGY, NBINS, NMASS)
IEEE754MSBSingle
Degrees
mass
16
1
angle
64
2
energy
16
3
swp_index
27
4
-1.0E31
1.0E31
-1.0E31
domega
domega
11256796
4
Last Index Fastest
Delta Solid Angle array with dimension (NSWP, NENERGY, NBINS, NMASS)
IEEE754MSBSingle
Steradians
mass
16
1
angle
64
2
energy
16
3
swp_index
27
4
-1.0E31
1.0E31
-1.0E31
gf
gf
13026800
4
Last Index Fastest
Geometric Factor array with dimension (NSWP, NENERGY, NBINS, NMASS)
IEEE754MSBSingle
att_ind
4
1
angle
64
2
energy
16
3
swp_index
27
4
-1.0E31
1.0E31
-1.0E31
eff
eff
13469700
4
Last Index Fastest
Efficiency array with dimension (NEFF, NENERGY, NBINS, NMASS)
IEEE754MSBSingle
mass
16
1
angle
64
2
energy
16
3
eff_index
128
4
-1.0E31
1.0E31
-1.0E31
mass_arr
mass_arr
21858840
4
Last Index Fastest
Mass array with dimension (NSWP, NENERGY, NBINS, NMASS). Nominal mass of a mass bin in units of AMUs based on TOF. This array is not integer AMU.
IEEE754MSBSingle
AMU
mass
16
1
angle
64
2
energy
16
3
swp_index
27
4
-1.0E31
1.0E31
-1.0E31
tof_arr
tof_arr
23628844
4
Last Index Fastest
Time-of-flight (TOF) array with dimension (NMLUT, NENERGY, NBINS, NMASS). Gives average TOF value for mass bins.
IEEE754MSBSingle
mass
16
1
angle
64
2
energy
16
3
mlut_index
9
4
-1.0E31
1.0E31
-1.0E31
twt_arr
twt_arr
24219200
4
Last Index Fastest
Time-of-flight Weight (TWT) array with dimension (NMLUT, NENERGY, NBINS, NMASS). Gives number of TOF bins in a given mass bin. Used for normalizing a mass spectra.
IEEE754MSBSingle
mass
16
1
angle
64
2
energy
16
3
mlut_index
9
4
-1.0E31
1.0E31
-1.0E31
K. APID cf (16e4d16a16m) - 16 energy x 4 deflection x 16 anode x 16 mass ion distributions
This sample data product label is from the MAVEN STATIC Calibrated Energy Flux:
16 Energy X 64 Solid Angle X 16 Mass Bins Data Collection
(LID = urn:nasa:pds:maven.static.c:data.cf_16e4d16a16m). The sample label is for the date
2016-02-02.
urn:nasa:pds:maven.static.c:data.cf_16e4d16a16m:mvn_sta_l2_cf-16e4d16a16m_20160202
3.0
MAVEN STATIC Ion Spectra for 2016-02-02
1.4.0.0
Product_Observational
McFadden, J. P.
2018
Time-ordered, fully calibrated differential energy flux in 16 energy bin x 64 solid angle bin (4 deflection angles x 16 anodes) x 16 mass bin arrays covering 2016-02-02.
2018-05-19
3.0
This file has been updated to correct the algorithm for generating the array of look directions blocked by the spacecraft (BINS_SC), and the algorithm for generating the dead-time and detector droop correction array (DEAD) was updated to use variable background rates.
2016-02-02T16:05:47.695Z
2016-02-02T16:07:57.694Z
Science
Calibrated
Magnetosphere
Particles
Ions
Plasma
Mars Atmosphere and Volatile EvolutioN Mission
Mission
urn:nasa:pds:context:investigation:mission.maven
data_to_investigation
MAVEN
Spacecraft
urn:nasa:pds:context:instrument_host:spacecraft.maven
is_instrument_host
STATIC
Instrument
urn:nasa:pds:context:instrument:static.maven
is_instrument
Mars
Planet
urn:nasa:pds:context:target:planet.mars
data_to_target
EM-1
3.3272699248283996E13
3.3272707767874E13
project_name
MAVEN
M
spacecraft
0
0
data_name
XX YYY where XX is the APID and YYY is the array abbreviation (64e2m, 32e32m, etc.)
c
apid
Application Process Identifier (APID) for the packet from which the data are taken.
c
units_name
eflux
c
units_procedure
mvn_convert_sta_units, name of IDL routine used for units conversion
m
num_dists
Number of measurements or times in the file
32
nenergy
Number of energy bins
16
nbins
Number of solid angle bins
64
nmass
Number of mass bins
16
ndef
Number of deflector angle bins
4
nanode
Number of anode bins
16
natt
Number of attenuator states: 4
4
nswp
Number of sweep tables - will increase over mission as new sweep modes are added
27
neff
Number of efficiency arrays - will increase over mission as sensor degrades
128
nmlut
Number of MLUT tables - will increase over mission as new modes are developed
9
geom_factor
Geometric factor of a single 22.5 degree sector
1.9567319E-4
mass
Proton mass (0.01044) in units of MeV/c2
0.010438871
charge
Proton charge (1)
1.0
dead_time_1
Dead time for processed events. Dead time corrections are generally not necessary. Corrections require use of STATIC APID DA rate packets.
420.0
dead_time_2
Dead time for rejected events. Dead time corrections are generally not necessary. Corrections require use of STATIC APID DA rate packets.
660.0
dead_time_3
Dead time for stop-no-start events. Dead time corrections are generally not necessary. Corrections require use of STATIC APID DA rate packets.
460.0
Background counts
Background counts array with dimensions (NUM_DISTS, NENERGY, NBINS, NMASS)
bkg
particle_observation_to_observation_values
energy
particle_observation_to_aligned_values
denergy
particle_observation_to_aligned_values
theta
particle_observation_to_aligned_values
dtheta
particle_observation_to_aligned_values
phi
particle_observation_to_aligned_values
dphi
particle_observation_to_aligned_values
domega
particle_observation_to_aligned_values
gf
particle_observation_to_aligned_values
eff
particle_observation_to_aligned_values
mass_arr
particle_observation_to_aligned_values
tof_arr
particle_observation_to_aligned_values
twt_arr
particle_observation_to_aligned_values
Dead_time correction
Dead time correction array with dimensions (NUM_DISTS, NENERGY, NBINS, NMASS), values 0.0 to 1.0, divide by this to correct.
dead
particle_observation_to_observation_values
energy
particle_observation_to_aligned_values
denergy
particle_observation_to_aligned_values
theta
particle_observation_to_aligned_values
dtheta
particle_observation_to_aligned_values
phi
particle_observation_to_aligned_values
dphi
particle_observation_to_aligned_values
domega
particle_observation_to_aligned_values
gf
particle_observation_to_aligned_values
eff
particle_observation_to_aligned_values
mass_arr
particle_observation_to_aligned_values
tof_arr
particle_observation_to_aligned_values
twt_arr
particle_observation_to_aligned_values
Data counts
Counts array with dimensions (NUM_DISTS, NENERGY, NBINS, NMASS)
data
particle_observation_to_observation_values
energy
particle_observation_to_aligned_values
denergy
particle_observation_to_aligned_values
theta
particle_observation_to_aligned_values
dtheta
particle_observation_to_aligned_values
phi
particle_observation_to_aligned_values
dphi
particle_observation_to_aligned_values
domega
particle_observation_to_aligned_values
gf
particle_observation_to_aligned_values
eff
particle_observation_to_aligned_values
mass_arr
particle_observation_to_aligned_values
tof_arr
particle_observation_to_aligned_values
twt_arr
particle_observation_to_aligned_values
Energy flux
Differential energy flux array with dimensions (NUM_DISTS, NENERGY, NBINS, NMASS)
eflux
particle_observation_to_observation_values
energy
particle_observation_to_aligned_values
denergy
particle_observation_to_aligned_values
theta
particle_observation_to_aligned_values
dtheta
particle_observation_to_aligned_values
phi
particle_observation_to_aligned_values
dphi
particle_observation_to_aligned_values
domega
particle_observation_to_aligned_values
gf
particle_observation_to_aligned_values
eff
particle_observation_to_aligned_values
mass_arr
particle_observation_to_aligned_values
tof_arr
particle_observation_to_aligned_values
twt_arr
particle_observation_to_aligned_values
gf
Geometric Factor array with dimension (NSWP, NENERGY, NBINS, NMASS)
gf
particle_observation_to_observation_values
att_ind
particle_observation_to_axis_values
1
index
particle_observation_to_axis_values
2
index
particle_observation_to_axis_values
3
energy
particle_observation_to_aligned_values
denergy
particle_observation_to_aligned_values
theta
particle_observation_to_aligned_values
dtheta
particle_observation_to_aligned_values
phi
particle_observation_to_aligned_values
dphi
particle_observation_to_aligned_values
domega
particle_observation_to_aligned_values
gf
particle_observation_to_aligned_values
eff
particle_observation_to_aligned_values
mass_arr
particle_observation_to_aligned_values
tof_arr
particle_observation_to_aligned_values
twt_arr
particle_observation_to_aligned_values
eff
Efficiency array with dimension (NEFF, NENERGY, NBINS, NMASS)
eff
particle_observation_to_observation_values
index
particle_observation_to_axis_values
1
index
particle_observation_to_axis_values
2
eff_ind
particle_observation_to_axis_values
3
energy
particle_observation_to_aligned_values
denergy
particle_observation_to_aligned_values
theta
particle_observation_to_aligned_values
dtheta
particle_observation_to_aligned_values
phi
particle_observation_to_aligned_values
dphi
particle_observation_to_aligned_values
domega
particle_observation_to_aligned_values
gf
particle_observation_to_aligned_values
eff
particle_observation_to_aligned_values
mass_arr
particle_observation_to_aligned_values
tof_arr
particle_observation_to_aligned_values
twt_arr
particle_observation_to_aligned_values
time values
epoch
data_values_to_data_values
time_met
data_values_to_data_values
time_unix
data_values_to_data_values
urn:nasa:pds:maven.spice:spice_kernels:lsk_naif0012.tls::1.0
data_to_spice_kernel
This data file was processed using the SPICE leapsecond kernel: naif0012.tls.
urn:nasa:pds:maven.spice:spice_kernels:sclk_mvn_sclkscet_00055.tsc::1.0
data_to_spice_kernel
This data file was processed using the SPICE MAVEN SCLK kernel: MVN_SCLKSCET.00055.tsc.
mvn_sta_l2_cf-16e4d16a16m_20160202_v02_r00.cdf
2018-05-19T02:27:31
32699192
3bd6e7b4f58d07a4d1ea13655f443fb7
CDF Header
0
404
CDF 3.4 ISTP/IACG
TT2000
epoch
89047
1
Last Index Fastest
UTC time from 01-Jan-2000 12:00:00.000 (including leap seconds), stored as an integer in nanoseconds.
SignedMSB8
nanosec
epoch
32
1
-0.0
3.595796016651621E-222
2.2152726415982762E-279
Mission Elapsed Time
time_met
89807
1
Last Index Fastest
Mission elapsed time for this data record.
IEEE754MSBDouble
sec
epoch
32
1
-1.0E31
8.5587834E8
0.0
SPICE Ephemeris Time
time_ephemeris
90567
1
Last Index Fastest
Time used by SPICE program.
IEEE754MSBDouble
sec
epoch
32
1
-1.0E31
1.293883209183998E9
4.380048671839981E8
Unix Time
time_unix
91327
1
Last Index Fastest
Unix time (elapsed seconds since 1970-01-01/00:00 without leap seconds) for this data record. This time is the center time of data collection.
IEEE754MSBDouble
sec
epoch
32
1
-1.0E31
2.24061114E9
1.3847328E9
Interval start time (unix)
time_start
92087
1
Last Index Fastest
Unix time at the start of data collection. (NUM_DISTS elements)
IEEE754MSBDouble
sec
epoch
32
1
-1.0E31
2.24061114E9
1.3847328E9
Interval end time (unix)
time_end
92847
1
Last Index Fastest
Unix time at the end of data collection. (NUM_DISTS elements)
IEEE754MSBDouble
sec
epoch
32
1
-1.0E31
2.24061114E9
1.3847328E9
Averaging time
time_delta
93607
1
Last Index Fastest
Averaging time. (TIME_DELTA = TIME_END - TIME_START).
IEEE754MSBDouble
sec
epoch
32
1
-1.0E31
1.0E31
-1.0E31
Integration time
time_integ
94367
1
Last Index Fastest
Integration time. (TIME_DELTA / (NENERGY*NDEF)).
IEEE754MSBDouble
sec
epoch
32
1
-1.0E31
1.0E31
-1.0E31
Eprom version
eprom_ver
95121
1
Last Index Fastest
An integer designating the flight EPROM version number that determines stored Real Time Sequence (RTS) commands and table loads that configure the STATIC instrument and determine energy and angle sweeps.
SignedMSB2
epoch
32
1
-32768
32767
-32767
Header
header
95685
1
Last Index Fastest
A long integer that consists of bytes 12-15 in data packet header. See MAVEN_PF_FSW_021_CTM.xls for definition of header bits. (NUM_DISTS elements)
SignedMSB4
epoch
32
1
-2147483648
2147483647
-2147483647
Valid flag
valid
96311
1
Last Index Fastest
Validity flag codes valid data (bit 0), test pulser on (bit 1), diagnostic mode (bit 2), data compression type (bit 3-4), packet compression (bit 5) (NUM_DISTS elements)
SignedMSB2
epoch
32
1
-32768
32767
-32767
Mode number
mode
96873
1
Last Index Fastest
Decoded mode number: 1=ram, 2=conic, 3=pickup, 4=scan, 5=eclipse, 6=protect
SignedMSB2
epoch
32
1
-32768
32767
-32767
Telemetry rate number
rate
97435
1
Last Index Fastest
Decoded telemetry rate number. (NUM_DISTS elements)
SignedMSB2
epoch
32
1
-32768
32767
-32767
Sweep index
swp_ind
97997
1
Last Index Fastest
Index that identifies the energy and deflector sweep look up tables (LUT) for the sensor. SWP_IND is an index that selects the following support data arrays: ENERGY, DENERGY, THETA, DTHETA, PHI, DPHI, DOMEGA, GF and MASS_ARR. (NUM_DISTS elements), SWP_IND Le NSWP
SignedMSB2
epoch
32
1
-32768
32767
-32767
MLUT index
mlut_ind
98559
1
Last Index Fastest
Index that identifies the onboard mass look up table (MLUT). MLUT_IND is an index that selects the following support data: TOF_ARR. (NUM_DISTS elements) MLUT Le NMLUT
SignedMSB2
epoch
32
1
-32768
32767
-32767
Efficiency index
eff_ind
99121
1
Last Index Fastest
Index that identifies the efficiency calibration table to be used. EFF_IND is an index that selects the following support data: EFF. (NUM_DISTS elements) EFF_IND Le NEFF
SignedMSB2
epoch
32
1
-32768
32767
-32767
Attenuator state
att_ind
99683
1
Last Index Fastest
Index that identifies the attenuator state (0 = no attenuation, 1 = electrostatic attenuation, 2 = mechanical attenuation, 3 = mechanical and electrostatic attenuation). (NUM_DISTS elements)
SignedMSB2
epoch
32
1
-32768
32767
-32767
Spacecraft potential
sc_pot
100247
1
Last Index Fastest
Spacecraft potential
IEEE754MSBSingle
volts
epoch
32
1
-1.0E31
1.0E31
-1.0E31
Magnetic field
magf
100883
2
Last Index Fastest
Magnetic field vector with dimension (3) in STATIC coordinates
IEEE754MSBSingle
nT
epoch
32
1
vector_components
3
2
-1.0E31
1.0E31
-1.0E31
Quaternion to SC
quat_sc
101775
2
Last Index Fastest
Quaternion elements to rotate from STATIC coordinates (same as APP coordinates) to SC coordinates (NUM_DISTS, 3)
IEEE754MSBSingle
epoch
32
1
quaternion_elements
4
2
-1.0E31
1.0E31
-1.0E31
Quaternion to MSO
quat_mso
102795
2
Last Index Fastest
Quaternion elements to rotate from STATIC coordinates (same as APP coordinates) to MSO coordinates (NUM_DISTS, 3)
IEEE754MSBSingle
epoch
32
1
quaternion_elements
4
2
-1.0E31
1.0E31
-1.0E31
Bins flag
bins_sc
103813
2
Last Index Fastest
Integer array of 1s and 0s with dimension (NBINS) Used to identify angle bins that include (value=0) spacecraft surfaces. If NBINS=1, then BINS_SC is set to 1. Values=0 indicates a solid angle bin with more than 50% blockage by the spacecraft.
SignedMSB2
epoch
32
1
angle
64
2
-32768
32767
-32767
SC position MSO
pos_sc_mso
108417
2
Last Index Fastest
Spacecraft position in MSO coordinates with dimension (NUM_DISTS, 3)
IEEE754MSBSingle
epoch
32
1
vector_components
3
2
-1.0E31
1.0E31
-1.0E31
Background counts
bkg
109325
4
Last Index Fastest
Background counts array with dimensions (NUM_DISTS, NENERGY, NBINS, NMASS)
IEEE754MSBSingle
Counts
epoch
32
1
mass
16
2
angle
64
3
energy
16
4
-1.0E31
1.0E31
-1.0E31
Dead_time correction
dead
2207001
4
Last Index Fastest
Dead time correction array with dimensions (NUM_DISTS, NENERGY, NBINS, NMASS), values 0.0 to 1.0, divide by this to correct.
IEEE754MSBSingle
epoch
32
1
mass
16
2
angle
64
3
energy
16
4
-1.0E31
1.0E31
-1.0E31
Data counts
data
4304677
4
Last Index Fastest
Counts array with dimensions (NUM_DISTS, NENERGY, NBINS, NMASS)
IEEE754MSBSingle
Counts
epoch
32
1
mass
16
2
angle
64
3
energy
16
4
-1.0E31
1.0E31
-1.0E31
Energy flux
eflux
6402353
4
Last Index Fastest
Differential energy flux array with dimensions (NUM_DISTS, NENERGY, NBINS, NMASS)
IEEE754MSBSingle
eV/sr/sec
epoch
32
1
mass
16
2
angle
64
3
energy
16
4
-1.0E31
1.0E31
-1.0E31
Quality flag
quality_flag
8500003
1
Last Index Fastest
Quality flag: test pulser on (bit 0), diagnostic mode (bit 1), dead time correction >2 flag (bit 2), detector droop correction >2 flag (bit 3), dead time correction not at event time (bit 4), electrostatic attenuator problem (bit 5), attenuator change during accumulation (bit 6), mode change during accumulation (bit 7), LPW interference with data (bit 8), high background (bit 9), no background subtraction array (bit 10), missing spacecraft potential (bit 11), inflight calibration incomplete (bit 12), geometric factor problem (bit 13), ion suppression problem (bit 14), 0 (bit 15)
SignedMSB2
epoch
32
1
-32768
32767
-32767
bins
bins
8508651
1
Last Index Fastest
Array with dimension NBINS containing 1 OR 0 used to flag bad solid angle bins
SignedMSB2
angle
64
1
-32768
32767
-32767
energy
energy
8509311
4
Last Index Fastest
Energy array with dimension (NSWP, NENERGY, NBINS, NMASS)
IEEE754MSBSingle
eV
mass
16
1
angle
64
2
energy
16
3
swp_index
27
4
-1.0E31
1.0E31
-1.0E31
denergy
denergy
10279315
4
Last Index Fastest
Delta Energy array with dimension (NSWP, NENERGY, NBINS, NMASS)
IEEE754MSBSingle
eV
mass
16
1
angle
64
2
energy
16
3
swp_index
27
4
-1.0E31
1.0E31
-1.0E31
theta
theta
12049319
4
Last Index Fastest
Angle array with with dimension (NSWP, NENERGY, NBINS, NMASS)
IEEE754MSBSingle
Degrees
mass
16
1
angle
64
2
energy
16
3
swp_index
27
4
-1.0E31
1.0E31
-1.0E31
dtheta
dtheta
13819323
4
Last Index Fastest
Delta Angle array with dimension (NSWP, NENERGY, NBINS, NMASS)
IEEE754MSBSingle
Degrees
mass
16
1
angle
64
2
energy
16
3
swp_index
27
4
-1.0E31
1.0E31
-1.0E31
phi
phi
15589327
4
Last Index Fastest
Angle array with dimension (NSWP, NENERGY, NBINS, NMASS)
IEEE754MSBSingle
Degrees
mass
16
1
angle
64
2
energy
16
3
swp_index
27
4
-1.0E31
1.0E31
-1.0E31
dphi
dphi
17359331
4
Last Index Fastest
Delta Angle array with dimension (NSWP, NENERGY, NBINS, NMASS)
IEEE754MSBSingle
Degrees
mass
16
1
angle
64
2
energy
16
3
swp_index
27
4
-1.0E31
1.0E31
-1.0E31
domega
domega
19129335
4
Last Index Fastest
Delta Solid Angle array with dimension (NSWP, NENERGY, NBINS, NMASS)
IEEE754MSBSingle
Steradians
mass
16
1
angle
64
2
energy
16
3
swp_index
27
4
-1.0E31
1.0E31
-1.0E31
gf
gf
20899339
4
Last Index Fastest
Geometric Factor array with dimension (NSWP, NENERGY, NBINS, NMASS)
IEEE754MSBSingle
att_ind
4
1
angle
64
2
energy
16
3
swp_index
27
4
-1.0E31
1.0E31
-1.0E31
eff
eff
21342239
4
Last Index Fastest
Efficiency array with dimension (NEFF, NENERGY, NBINS, NMASS)
IEEE754MSBSingle
mass
16
1
angle
64
2
energy
16
3
eff_index
128
4
-1.0E31
1.0E31
-1.0E31
mass_arr
mass_arr
29731379
4
Last Index Fastest
Mass array with dimension (NSWP, NENERGY, NBINS, NMASS). Nominal mass of a mass bin in units of AMUs based on TOF. This array is not integer AMU.
IEEE754MSBSingle
AMU
mass
16
1
angle
64
2
energy
16
3
swp_index
27
4
-1.0E31
1.0E31
-1.0E31
tof_arr
tof_arr
31501383
4
Last Index Fastest
Time-of-flight (TOF) array with dimension (NMLUT, NENERGY, NBINS, NMASS). Gives average TOF value for mass bins.
IEEE754MSBSingle
mass
16
1
angle
64
2
energy
16
3
mlut_index
9
4
-1.0E31
1.0E31
-1.0E31
twt_arr
twt_arr
32091739
4
Last Index Fastest
Time-of-flight Weight (TWT) array with dimension (NMLUT, NENERGY, NBINS, NMASS). Gives number of TOF bins in a given mass bin. Used for normalizing a mass spectra.
IEEE754MSBSingle
mass
16
1
angle
64
2
energy
16
3
mlut_index
9
4
-1.0E31
1.0E31
-1.0E31
L. APID d0 (32e4d16a8m) - 32 energy x 4 deflection x 16 anode x 8 mass ion distribution
This sample data product label is from the MAVEN STATIC Calibrated Energy Flux:
16 Energy X 64 Solid Angle X 8 Mass Bins Data Collection
(LID = urn:nasa:pds:maven.static.c:data.d0_32e4d16a8m). The sample label is for the date
2018-12-02.
urn:nasa:pds:maven.static.c:data.d0_32e4d16a8m:mvn_sta_l2_d0-32e4d16a8m_20181202
1.0
MAVEN STATIC Ion Spectra for 2018-12-02
1.4.0.0
Product_Observational
McFadden, J. P.
2019
Time-ordered, fully calibrated differential energy flux in 16 energy bin x 64 solid angle bin (4 deflection angles x 16 anodes) x 8 mass bin arrays covering 2018-12-02.
2019-05-07
1.0
Initial Verion
2018-12-02T00:00:41.743Z
2018-12-03T00:00:09.507Z
Science
Calibrated
Magnetosphere
Particles
Ions
Plasma
Mars Atmosphere and Volatile EvolutioN Mission
Mission
urn:nasa:pds:context:investigation:mission.maven
data_to_investigation
MAVEN
Spacecraft
urn:nasa:pds:context:instrument_host:spacecraft.maven
is_instrument_host
STATIC
Instrument
urn:nasa:pds:context:instrument:static.maven
is_instrument
Mars
Planet
urn:nasa:pds:context:target:planet.mars
data_to_target
EM-3
3.912372874135001E13
3.9129388934611E13
project_name
MAVEN
M
spacecraft
0
0
data_name
XX YYY where XX is the APID and YYY is the array abbreviation (64e2m, 32e32m, etc.)
d
apid
Application Process Identifier (APID) for the packet from which the data are taken.
d
units_name
eflux
c
units_procedure
mvn_convert_sta_units, name of IDL routine used for units conversion
m
num_dists
Number of measurements or times in the file
2700
nenergy
Number of energy bins
32
nbins
Number of solid angle bins
64
nmass
Number of mass bins
8
ndef
Number of deflector angle bins
4
nanode
Number of anode bins
16
natt
Number of attenuator states: 4
4
nswp
Number of sweep tables - will increase over mission as new sweep modes are added
28
neff
Number of efficiency arrays - will increase over mission as sensor degrades
128
nmlut
Number of MLUT tables - will increase over mission as new modes are developed
9
geom_factor
Geometric factor of a single 22.5 degree sector
1.9567319E-4
mass
Proton mass (0.01044) in units of MeV/c2
0.010438871
charge
Proton charge (1)
1.0
dead_time_1
Dead time for processed events. Dead time corrections are generally not necessary. Corrections require use of STATIC APID DA rate packets.
420.0
dead_time_2
Dead time for rejected events. Dead time corrections are generally not necessary. Corrections require use of STATIC APID DA rate packets.
660.0
dead_time_3
Dead time for stop-no-start events. Dead time corrections are generally not necessary. Corrections require use of STATIC APID DA rate packets.
460.0
Background counts
Background counts array with dimensions (NUM_DISTS, NENERGY, NBINS, NMASS)
bkg
particle_observation_to_observation_values
energy
particle_observation_to_aligned_values
denergy
particle_observation_to_aligned_values
theta
particle_observation_to_aligned_values
dtheta
particle_observation_to_aligned_values
phi
particle_observation_to_aligned_values
dphi
particle_observation_to_aligned_values
domega
particle_observation_to_aligned_values
gf
particle_observation_to_aligned_values
eff
particle_observation_to_aligned_values
mass_arr
particle_observation_to_aligned_values
tof_arr
particle_observation_to_aligned_values
twt_arr
particle_observation_to_aligned_values
Dead_time correction
Dead time correction array with dimensions (NUM_DISTS, NENERGY, NBINS, NMASS), values 0.0 to 1.0, divide by this to correct.
dead
particle_observation_to_observation_values
energy
particle_observation_to_aligned_values
denergy
particle_observation_to_aligned_values
theta
particle_observation_to_aligned_values
dtheta
particle_observation_to_aligned_values
phi
particle_observation_to_aligned_values
dphi
particle_observation_to_aligned_values
domega
particle_observation_to_aligned_values
gf
particle_observation_to_aligned_values
eff
particle_observation_to_aligned_values
mass_arr
particle_observation_to_aligned_values
tof_arr
particle_observation_to_aligned_values
twt_arr
particle_observation_to_aligned_values
Data counts
Counts array with dimensions (NUM_DISTS, NENERGY, NBINS, NMASS)
data
particle_observation_to_observation_values
energy
particle_observation_to_aligned_values
denergy
particle_observation_to_aligned_values
theta
particle_observation_to_aligned_values
dtheta
particle_observation_to_aligned_values
phi
particle_observation_to_aligned_values
dphi
particle_observation_to_aligned_values
domega
particle_observation_to_aligned_values
gf
particle_observation_to_aligned_values
eff
particle_observation_to_aligned_values
mass_arr
particle_observation_to_aligned_values
tof_arr
particle_observation_to_aligned_values
twt_arr
particle_observation_to_aligned_values
Energy flux
Differential energy flux array with dimensions (NUM_DISTS, NENERGY, NBINS, NMASS)
eflux
particle_observation_to_observation_values
energy
particle_observation_to_aligned_values
denergy
particle_observation_to_aligned_values
theta
particle_observation_to_aligned_values
dtheta
particle_observation_to_aligned_values
phi
particle_observation_to_aligned_values
dphi
particle_observation_to_aligned_values
domega
particle_observation_to_aligned_values
gf
particle_observation_to_aligned_values
eff
particle_observation_to_aligned_values
mass_arr
particle_observation_to_aligned_values
tof_arr
particle_observation_to_aligned_values
twt_arr
particle_observation_to_aligned_values
gf
Geometric Factor array with dimension (NSWP, NENERGY, NBINS, NMASS)
gf
particle_observation_to_observation_values
att_ind
particle_observation_to_axis_values
1
index
particle_observation_to_axis_values
2
index
particle_observation_to_axis_values
3
energy
particle_observation_to_aligned_values
denergy
particle_observation_to_aligned_values
theta
particle_observation_to_aligned_values
dtheta
particle_observation_to_aligned_values
phi
particle_observation_to_aligned_values
dphi
particle_observation_to_aligned_values
domega
particle_observation_to_aligned_values
gf
particle_observation_to_aligned_values
eff
particle_observation_to_aligned_values
mass_arr
particle_observation_to_aligned_values
tof_arr
particle_observation_to_aligned_values
twt_arr
particle_observation_to_aligned_values
eff
Efficiency array with dimension (NEFF, NENERGY, NBINS, NMASS)
eff
particle_observation_to_observation_values
index
particle_observation_to_axis_values
1
index
particle_observation_to_axis_values
2
eff_ind
particle_observation_to_axis_values
3
energy
particle_observation_to_aligned_values
denergy
particle_observation_to_aligned_values
theta
particle_observation_to_aligned_values
dtheta
particle_observation_to_aligned_values
phi
particle_observation_to_aligned_values
dphi
particle_observation_to_aligned_values
domega
particle_observation_to_aligned_values
gf
particle_observation_to_aligned_values
eff
particle_observation_to_aligned_values
mass_arr
particle_observation_to_aligned_values
tof_arr
particle_observation_to_aligned_values
twt_arr
particle_observation_to_aligned_values
time values
epoch
data_values_to_data_values
time_met
data_values_to_data_values
time_unix
data_values_to_data_values
urn:nasa:pds:maven.spice:spice_kernels:lsk_naif0012.tls::1.0
data_to_spice_kernel
This data file was processed using the SPICE leapsecond kernel: naif0012.tls.
urn:nasa:pds:maven.spice:spice_kernels:sclk_mvn_sclkscet_00065.tsc::1.0
data_to_spice_kernel
This data file was processed using the SPICE MAVEN SCLK kernel: MVN_SCLKSCET.00065.tsc.
mvn_sta_l2_d0-32e4d16a8m_20181202_v02_r08.cdf
2019-05-07T23:58:12
733831306
b30ed1a34cae8264e66497511a49f631
CDF Header
0
404
CDF 3.4 ISTP/IACG
TT2000
epoch
89517
1
Last Index Fastest
UTC time from 01-Jan-2000 12:00:00.000 (including leap seconds), stored as an integer in nanoseconds.
SignedMSB8
nanosec
epoch
2700
1
-0.0
3.595796016651621E-222
2.2152726415982762E-279
Mission Elapsed Time
time_met
111621
1
Last Index Fastest
Mission elapsed time for this data record.
IEEE754MSBDouble
sec
epoch
2700
1
-1.0E31
8.5587834E8
0.0
SPICE Ephemeris Time
time_ephemeris
133725
1
Last Index Fastest
Time used by SPICE program.
IEEE754MSBDouble
sec
epoch
2700
1
-1.0E31
1.293883209183998E9
4.380048671839981E8
Unix Time
time_unix
155829
1
Last Index Fastest
Unix time (elapsed seconds since 1970-01-01/00:00 without leap seconds) for this data record. This time is the center time of data collection.
IEEE754MSBDouble
sec
epoch
2700
1
-1.0E31
2.24061114E9
1.3847328E9
Interval start time (unix)
time_start
177933
1
Last Index Fastest
Unix time at the start of data collection. (NUM_DISTS elements)
IEEE754MSBDouble
sec
epoch
2700
1
-1.0E31
2.24061114E9
1.3847328E9
Interval end time (unix)
time_end
200037
1
Last Index Fastest
Unix time at the end of data collection. (NUM_DISTS elements)
IEEE754MSBDouble
sec
epoch
2700
1
-1.0E31
2.24061114E9
1.3847328E9
Averaging time
time_delta
222141
1
Last Index Fastest
Averaging time. (TIME_DELTA = TIME_END - TIME_START).
IEEE754MSBDouble
sec
epoch
2700
1
-1.0E31
1.0E31
-1.0E31
Integration time
time_integ
244245
1
Last Index Fastest
Integration time. (TIME_DELTA / (NENERGY*NDEF)).
IEEE754MSBDouble
sec
epoch
2700
1
-1.0E31
1.0E31
-1.0E31
Eprom version
eprom_ver
266343
1
Last Index Fastest
An integer designating the flight EPROM version number that determines stored Real Time Sequence (RTS) commands and table loads that configure the STATIC instrument and determine energy and angle sweeps.
SignedMSB2
epoch
2700
1
-32768
32767
-32767
Header
header
272243
1
Last Index Fastest
A long integer that consists of bytes 12-15 in data packet header. See MAVEN_PF_FSW_021_CTM.xls for definition of header bits. (NUM_DISTS elements)
SignedMSB4
epoch
2700
1
-2147483648
2147483647
-2147483647
Valid flag
valid
283541
1
Last Index Fastest
Validity flag codes valid data (bit 0), test pulser on (bit 1), diagnostic mode (bit 2), data compression type (bit 3-4), packet compression (bit 5) (NUM_DISTS elements)
SignedMSB2
epoch
2700
1
-32768
32767
-32767
Mode number
mode
289439
1
Last Index Fastest
Decoded mode number: 1=ram, 2=conic, 3=pickup, 4=scan, 5=eclipse, 6=protect
SignedMSB2
epoch
2700
1
-32768
32767
-32767
Telemetry rate number
rate
295337
1
Last Index Fastest
Decoded telemetry rate number. (NUM_DISTS elements)
SignedMSB2
epoch
2700
1
-32768
32767
-32767
Sweep index
swp_ind
301235
1
Last Index Fastest
Index that identifies the energy and deflector sweep look up tables (LUT) for the sensor. SWP_IND is an index that selects the following support data arrays: ENERGY, DENERGY, THETA, DTHETA, PHI, DPHI, DOMEGA, GF and MASS_ARR. (NUM_DISTS elements), SWP_IND Le NSWP
SignedMSB2
epoch
2700
1
-32768
32767
-32767
MLUT index
mlut_ind
307133
1
Last Index Fastest
Index that identifies the onboard mass look up table (MLUT). MLUT_IND is an index that selects the following support data: TOF_ARR. (NUM_DISTS elements) MLUT Le NMLUT
SignedMSB2
epoch
2700
1
-32768
32767
-32767
Efficiency index
eff_ind
313031
1
Last Index Fastest
Index that identifies the efficiency calibration table to be used. EFF_IND is an index that selects the following support data: EFF. (NUM_DISTS elements) EFF_IND Le NEFF
SignedMSB2
epoch
2700
1
-32768
32767
-32767
Attenuator state
att_ind
318929
1
Last Index Fastest
Index that identifies the attenuator state (0 = no attenuation, 1 = electrostatic attenuation, 2 = mechanical attenuation, 3 = mechanical and electrostatic attenuation). (NUM_DISTS elements)
SignedMSB2
epoch
2700
1
-32768
32767
-32767
Spacecraft potential
sc_pot
324829
1
Last Index Fastest
Spacecraft potential
IEEE754MSBSingle
volts
epoch
2700
1
-1.0E31
1.0E31
-1.0E31
Magnetic field
magf
336137
2
Last Index Fastest
Magnetic field vector with dimension (3) in STATIC coordinates
IEEE754MSBSingle
nT
epoch
2700
1
vector_components
3
2
-1.0E31
1.0E31
-1.0E31
Quaternion to SC
quat_sc
369045
2
Last Index Fastest
Quaternion elements to rotate from STATIC coordinates (same as APP coordinates) to SC coordinates (NUM_DISTS, 3)
IEEE754MSBSingle
epoch
2700
1
quaternion_elements
4
2
-1.0E31
1.0E31
-1.0E31
Quaternion to MSO
quat_mso
412753
2
Last Index Fastest
Quaternion elements to rotate from STATIC coordinates (same as APP coordinates) to MSO coordinates (NUM_DISTS, 3)
IEEE754MSBSingle
epoch
2700
1
quaternion_elements
4
2
-1.0E31
1.0E31
-1.0E31
Bins flag
bins_sc
456459
2
Last Index Fastest
Integer array of 1s and 0s with dimension (NBINS) Used to identify angle bins that include (value=0) spacecraft surfaces. If NBINS=1, then BINS_SC is set to 1. Values=0 indicates a solid angle bin with more than 50% blockage by the spacecraft.
SignedMSB2
epoch
2700
1
angle
64
2
-32768
32767
-32767
SC position MSO
pos_sc_mso
802567
2
Last Index Fastest
Spacecraft position in MSO coordinates with dimension (NUM_DISTS, 3)
IEEE754MSBSingle
epoch
2700
1
vector_components
3
2
-1.0E31
1.0E31
-1.0E31
Background counts
bkg
835491
4
Last Index Fastest
Background counts array with dimensions (NUM_DISTS, NENERGY, NBINS, NMASS)
IEEE754MSBSingle
Counts
epoch
2700
1
mass
8
2
angle
64
3
energy
32
4
-1.0E31
1.0E31
-1.0E31
Dead_time correction
dead
177783215
4
Last Index Fastest
Dead time correction array with dimensions (NUM_DISTS, NENERGY, NBINS, NMASS), values 0.0 to 1.0, divide by this to correct.
IEEE754MSBSingle
epoch
2700
1
mass
8
2
angle
64
3
energy
32
4
-1.0E31
1.0E31
-1.0E31
Data counts
data
354730939
4
Last Index Fastest
Counts array with dimensions (NUM_DISTS, NENERGY, NBINS, NMASS)
IEEE754MSBSingle
Counts
epoch
2700
1
mass
8
2
angle
64
3
energy
32
4
-1.0E31
1.0E31
-1.0E31
Energy flux
eflux
531678663
4
Last Index Fastest
Differential energy flux array with dimensions (NUM_DISTS, NENERGY, NBINS, NMASS)
IEEE754MSBSingle
eV/(cm^2-s-sr-eV)
epoch
2700
1
mass
8
2
angle
64
3
energy
32
4
-1.0E31
1.0E31
-1.0E31
Quality flag
quality_flag
708626361
1
Last Index Fastest
Quality flag: test pulser on (bit 0), diagnostic mode (bit 1), dead time correction greater than 2 flag (bit 2), detector droop correction greater than 2 flag (bit 3), dead time correction not at event time (bit 4), electrostatic attenuator problem (bit 5), attenuator change during accumulation (bit 6), mode change during accumulation (bit 7), LPW interference with data (bit 8), high background (bit 9), no background subtraction array (bit 10), missing spacecraft potential (bit 11), inflight calibration incomplete (bit 12), geometric factor problem (bit 13), ion suppression problem (bit 14), 0 (bit 15)
SignedMSB2
epoch
2700
1
-32768
32767
-32767
bins
bins
708640343
1
Last Index Fastest
Array with dimension NBINS containing 1 OR 0 used to flag bad solid angle bins
SignedMSB2
angle
64
1
-32768
32767
-32767
energy
energy
708641003
4
Last Index Fastest
Energy array with dimension (NSWP, NENERGY, NBINS, NMASS)
IEEE754MSBSingle
eV
mass
8
1
angle
64
2
energy
32
3
swp_index
28
4
-1.0E31
1.0E31
-1.0E31
denergy
denergy
710476543
4
Last Index Fastest
Delta Energy array with dimension (NSWP, NENERGY, NBINS, NMASS)
IEEE754MSBSingle
eV
mass
8
1
angle
64
2
energy
32
3
swp_index
28
4
-1.0E31
1.0E31
-1.0E31
theta
theta
712312083
4
Last Index Fastest
Angle array with with dimension (NSWP, NENERGY, NBINS, NMASS)
IEEE754MSBSingle
Degrees
mass
8
1
angle
64
2
energy
32
3
swp_index
28
4
-1.0E31
1.0E31
-1.0E31
dtheta
dtheta
714147623
4
Last Index Fastest
Delta Angle array with dimension (NSWP, NENERGY, NBINS, NMASS)
IEEE754MSBSingle
Degrees
mass
8
1
angle
64
2
energy
32
3
swp_index
28
4
-1.0E31
1.0E31
-1.0E31
phi
phi
715983163
4
Last Index Fastest
Angle array with dimension (NSWP, NENERGY, NBINS, NMASS)
IEEE754MSBSingle
Degrees
mass
8
1
angle
64
2
energy
32
3
swp_index
28
4
-1.0E31
1.0E31
-1.0E31
dphi
dphi
717818703
4
Last Index Fastest
Delta Angle array with dimension (NSWP, NENERGY, NBINS, NMASS)
IEEE754MSBSingle
Degrees
mass
8
1
angle
64
2
energy
32
3
swp_index
28
4
-1.0E31
1.0E31
-1.0E31
domega
domega
719654243
4
Last Index Fastest
Delta Solid Angle array with dimension (NSWP, NENERGY, NBINS, NMASS)
IEEE754MSBSingle
Steradians
mass
8
1
angle
64
2
energy
32
3
swp_index
28
4
-1.0E31
1.0E31
-1.0E31
gf
gf
721489783
4
Last Index Fastest
Geometric Factor array with dimension (NSWP, NENERGY, NBINS, NMASS)
IEEE754MSBSingle
att_ind
4
1
angle
64
2
energy
32
3
swp_index
28
4
-1.0E31
1.0E31
-1.0E31
eff
eff
722407819
4
Last Index Fastest
Efficiency array with dimension (NEFF, NENERGY, NBINS, NMASS)
IEEE754MSBSingle
mass
8
1
angle
64
2
energy
32
3
eff_index
128
4
-1.0E31
1.0E31
-1.0E31
mass_arr
mass_arr
730796959
4
Last Index Fastest
Mass array with dimension (NSWP, NENERGY, NBINS, NMASS). Nominal mass of a mass bin in units of AMUs based on TOF. This array is not integer AMU.
IEEE754MSBSingle
AMU
mass
8
1
angle
64
2
energy
32
3
swp_index
28
4
-1.0E31
1.0E31
-1.0E31
tof_arr
tof_arr
732632499
4
Last Index Fastest
Time-of-flight (TOF) array with dimension (NMLUT, NENERGY, NBINS, NMASS). Gives average TOF value for mass bins.
IEEE754MSBSingle
mass
8
1
angle
64
2
energy
32
3
mlut_index
9
4
-1.0E31
1.0E31
-1.0E31
twt_arr
twt_arr
733222855
4
Last Index Fastest
Time-of-flight Weight (TWT) array with dimension (NMLUT, NENERGY, NBINS, NMASS). Gives number of TOF bins in a given mass bin. Used for normalizing a mass spectra.
IEEE754MSBSingle
mass
8
1
angle
64
2
energy
32
3
mlut_index
9
4
-1.0E31
1.0E31
-1.0E31
M. APID d1 (32e4d16a8m) - 32 energy x 4 deflection x 16 anode x 8 mass ion distribution
This sample data product label is from the MAVEN STATIC Calibrated Energy Flux:
16 Energy X 64 Solid Angle X 8 Mass Bins Data Collection
(LID = urn:nasa:pds:maven.static.c:data.d1_32e4d16a8m). The sample label is for the date
2018-12-02.
urn:nasa:pds:maven.static.c:data.d1_32e4d16a8m:mvn_sta_l2_d1-32e4d16a8m_20181202
1.0
MAVEN STATIC Ion Spectra for 2018-12-02
1.4.0.0
Product_Observational
McFadden, J. P.
2019
Time-ordered, fully calibrated differential energy flux in 16 energy bin x 64 solid angle bin (4 deflection angles x 16 anodes) x 8 mass bin arrays covering 2018-12-02.
2019-05-08
1.0
Initial Verion
2018-12-02T00:00:03.743Z
2018-12-02T23:59:59.507Z
Science
Calibrated
Magnetosphere
Particles
Ions
Plasma
Mars Atmosphere and Volatile EvolutioN Mission
Mission
urn:nasa:pds:context:investigation:mission.maven
data_to_investigation
MAVEN
Spacecraft
urn:nasa:pds:context:instrument_host:spacecraft.maven
is_instrument_host
STATIC
Instrument
urn:nasa:pds:context:instrument:static.maven
is_instrument
Mars
Planet
urn:nasa:pds:context:target:planet.mars
data_to_target
EM-3
3.912372625098799E13
3.9129388279252E13
project_name
MAVEN
M
spacecraft
0
0
data_name
XX YYY where XX is the APID and YYY is the array abbreviation (64e2m, 32e32m, etc.)
d
apid
Application Process Identifier (APID) for the packet from which the data are taken.
d
units_name
eflux
c
units_procedure
mvn_convert_sta_units, name of IDL routine used for units conversion
m
num_dists
Number of measurements or times in the file
21600
nenergy
Number of energy bins
32
nbins
Number of solid angle bins
64
nmass
Number of mass bins
8
ndef
Number of deflector angle bins
4
nanode
Number of anode bins
16
natt
Number of attenuator states: 4
4
nswp
Number of sweep tables - will increase over mission as new sweep modes are added
28
neff
Number of efficiency arrays - will increase over mission as sensor degrades
128
nmlut
Number of MLUT tables - will increase over mission as new modes are developed
9
geom_factor
Geometric factor of a single 22.5 degree sector
1.9567319E-4
mass
Proton mass (0.01044) in units of MeV/c2
0.010438871
charge
Proton charge (1)
1.0
dead_time_1
Dead time for processed events. Dead time corrections are generally not necessary. Corrections require use of STATIC APID DA rate packets.
420.0
dead_time_2
Dead time for rejected events. Dead time corrections are generally not necessary. Corrections require use of STATIC APID DA rate packets.
660.0
dead_time_3
Dead time for stop-no-start events. Dead time corrections are generally not necessary. Corrections require use of STATIC APID DA rate packets.
460.0
Background counts
Background counts array with dimensions (NUM_DISTS, NENERGY, NBINS, NMASS)
bkg
particle_observation_to_observation_values
energy
particle_observation_to_aligned_values
denergy
particle_observation_to_aligned_values
theta
particle_observation_to_aligned_values
dtheta
particle_observation_to_aligned_values
phi
particle_observation_to_aligned_values
dphi
particle_observation_to_aligned_values
domega
particle_observation_to_aligned_values
gf
particle_observation_to_aligned_values
eff
particle_observation_to_aligned_values
mass_arr
particle_observation_to_aligned_values
tof_arr
particle_observation_to_aligned_values
twt_arr
particle_observation_to_aligned_values
Dead_time correction
Dead time correction array with dimensions (NUM_DISTS, NENERGY, NBINS, NMASS), values 0.0 to 1.0, divide by this to correct.
dead
particle_observation_to_observation_values
energy
particle_observation_to_aligned_values
denergy
particle_observation_to_aligned_values
theta
particle_observation_to_aligned_values
dtheta
particle_observation_to_aligned_values
phi
particle_observation_to_aligned_values
dphi
particle_observation_to_aligned_values
domega
particle_observation_to_aligned_values
gf
particle_observation_to_aligned_values
eff
particle_observation_to_aligned_values
mass_arr
particle_observation_to_aligned_values
tof_arr
particle_observation_to_aligned_values
twt_arr
particle_observation_to_aligned_values
Data counts
Counts array with dimensions (NUM_DISTS, NENERGY, NBINS, NMASS)
data
particle_observation_to_observation_values
energy
particle_observation_to_aligned_values
denergy
particle_observation_to_aligned_values
theta
particle_observation_to_aligned_values
dtheta
particle_observation_to_aligned_values
phi
particle_observation_to_aligned_values
dphi
particle_observation_to_aligned_values
domega
particle_observation_to_aligned_values
gf
particle_observation_to_aligned_values
eff
particle_observation_to_aligned_values
mass_arr
particle_observation_to_aligned_values
tof_arr
particle_observation_to_aligned_values
twt_arr
particle_observation_to_aligned_values
Energy flux
Differential energy flux array with dimensions (NUM_DISTS, NENERGY, NBINS, NMASS)
eflux
particle_observation_to_observation_values
energy
particle_observation_to_aligned_values
denergy
particle_observation_to_aligned_values
theta
particle_observation_to_aligned_values
dtheta
particle_observation_to_aligned_values
phi
particle_observation_to_aligned_values
dphi
particle_observation_to_aligned_values
domega
particle_observation_to_aligned_values
gf
particle_observation_to_aligned_values
eff
particle_observation_to_aligned_values
mass_arr
particle_observation_to_aligned_values
tof_arr
particle_observation_to_aligned_values
twt_arr
particle_observation_to_aligned_values
gf
Geometric Factor array with dimension (NSWP, NENERGY, NBINS, NMASS)
gf
particle_observation_to_observation_values
att_ind
particle_observation_to_axis_values
1
index
particle_observation_to_axis_values
2
index
particle_observation_to_axis_values
3
energy
particle_observation_to_aligned_values
denergy
particle_observation_to_aligned_values
theta
particle_observation_to_aligned_values
dtheta
particle_observation_to_aligned_values
phi
particle_observation_to_aligned_values
dphi
particle_observation_to_aligned_values
domega
particle_observation_to_aligned_values
gf
particle_observation_to_aligned_values
eff
particle_observation_to_aligned_values
mass_arr
particle_observation_to_aligned_values
tof_arr
particle_observation_to_aligned_values
twt_arr
particle_observation_to_aligned_values
eff
Efficiency array with dimension (NEFF, NENERGY, NBINS, NMASS)
eff
particle_observation_to_observation_values
index
particle_observation_to_axis_values
1
index
particle_observation_to_axis_values
2
eff_ind
particle_observation_to_axis_values
3
energy
particle_observation_to_aligned_values
denergy
particle_observation_to_aligned_values
theta
particle_observation_to_aligned_values
dtheta
particle_observation_to_aligned_values
phi
particle_observation_to_aligned_values
dphi
particle_observation_to_aligned_values
domega
particle_observation_to_aligned_values
gf
particle_observation_to_aligned_values
eff
particle_observation_to_aligned_values
mass_arr
particle_observation_to_aligned_values
tof_arr
particle_observation_to_aligned_values
twt_arr
particle_observation_to_aligned_values
time values
epoch
data_values_to_data_values
time_met
data_values_to_data_values
time_unix
data_values_to_data_values
urn:nasa:pds:maven.spice:spice_kernels:lsk_naif0012.tls::1.0
data_to_spice_kernel
This data file was processed using the SPICE leapsecond kernel: naif0012.tls.
urn:nasa:pds:maven.spice:spice_kernels:sclk_mvn_sclkscet_00065.tsc::1.0
data_to_spice_kernel
This data file was processed using the SPICE MAVEN SCLK kernel: MVN_SCLKSCET.00065.tsc.
mvn_sta_l2_d1-32e4d16a8m_20181202_v02_r06.cdf
2019-05-08T00:20:38
5693531505
7d0ad79433f43b2bf9619ad04ab1ec84
CDF Header
0
404
CDF 3.4 ISTP/IACG
TT2000
epoch
89516
1
Last Index Fastest
UTC time from 01-Jan-2000 12:00:00.000 (including leap seconds), stored as an integer in nanoseconds.
SignedMSB8
nanosec
epoch
21600
1
-0.0
3.595796016651621E-222
2.2152726415982762E-279
Mission Elapsed Time
time_met
262820
1
Last Index Fastest
Mission elapsed time for this data record.
IEEE754MSBDouble
sec
epoch
21600
1
-1.0E31
8.5587834E8
0.0
SPICE Ephemeris Time
time_ephemeris
436124
1
Last Index Fastest
Time used by SPICE program.
IEEE754MSBDouble
sec
epoch
21600
1
-1.0E31
1.293883209183998E9
4.380048671839981E8
Unix Time
time_unix
609428
1
Last Index Fastest
Unix time (elapsed seconds since 1970-01-01/00:00 without leap seconds) for this data record. This time is the center time of data collection.
IEEE754MSBDouble
sec
epoch
21600
1
-1.0E31
2.24061114E9
1.3847328E9
Interval start time (unix)
time_start
782732
1
Last Index Fastest
Unix time at the start of data collection. (NUM_DISTS elements)
IEEE754MSBDouble
sec
epoch
21600
1
-1.0E31
2.24061114E9
1.3847328E9
Interval end time (unix)
time_end
956036
1
Last Index Fastest
Unix time at the end of data collection. (NUM_DISTS elements)
IEEE754MSBDouble
sec
epoch
21600
1
-1.0E31
2.24061114E9
1.3847328E9
Averaging time
time_delta
1129340
1
Last Index Fastest
Averaging time. (TIME_DELTA = TIME_END - TIME_START).
IEEE754MSBDouble
sec
epoch
21600
1
-1.0E31
1.0E31
-1.0E31
Integration time
time_integ
1302644
1
Last Index Fastest
Integration time. (TIME_DELTA / (NENERGY*NDEF)).
IEEE754MSBDouble
sec
epoch
21600
1
-1.0E31
1.0E31
-1.0E31
Eprom version
eprom_ver
1475942
1
Last Index Fastest
An integer designating the flight EPROM version number that determines stored Real Time Sequence (RTS) commands and table loads that configure the STATIC instrument and determine energy and angle sweeps.
SignedMSB2
epoch
21600
1
-32768
32767
-32767
Header
header
1519642
1
Last Index Fastest
A long integer that consists of bytes 12-15 in data packet header. See MAVEN_PF_FSW_021_CTM.xls for definition of header bits. (NUM_DISTS elements)
SignedMSB4
epoch
21600
1
-2147483648
2147483647
-2147483647
Valid flag
valid
1606540
1
Last Index Fastest
Validity flag codes valid data (bit 0), test pulser on (bit 1), diagnostic mode (bit 2), data compression type (bit 3-4), packet compression (bit 5) (NUM_DISTS elements)
SignedMSB2
epoch
21600
1
-32768
32767
-32767
Mode number
mode
1650238
1
Last Index Fastest
Decoded mode number: 1=ram, 2=conic, 3=pickup, 4=scan, 5=eclipse, 6=protect
SignedMSB2
epoch
21600
1
-32768
32767
-32767
Telemetry rate number
rate
1693936
1
Last Index Fastest
Decoded telemetry rate number. (NUM_DISTS elements)
SignedMSB2
epoch
21600
1
-32768
32767
-32767
Sweep index
swp_ind
1737634
1
Last Index Fastest
Index that identifies the energy and deflector sweep look up tables (LUT) for the sensor. SWP_IND is an index that selects the following support data arrays: ENERGY, DENERGY, THETA, DTHETA, PHI, DPHI, DOMEGA, GF and MASS_ARR. (NUM_DISTS elements), SWP_IND Le NSWP
SignedMSB2
epoch
21600
1
-32768
32767
-32767
MLUT index
mlut_ind
1781332
1
Last Index Fastest
Index that identifies the onboard mass look up table (MLUT). MLUT_IND is an index that selects the following support data: TOF_ARR. (NUM_DISTS elements) MLUT Le NMLUT
SignedMSB2
epoch
21600
1
-32768
32767
-32767
Efficiency index
eff_ind
1825030
1
Last Index Fastest
Index that identifies the efficiency calibration table to be used. EFF_IND is an index that selects the following support data: EFF. (NUM_DISTS elements) EFF_IND Le NEFF
SignedMSB2
epoch
21600
1
-32768
32767
-32767
Attenuator state
att_ind
1868728
1
Last Index Fastest
Index that identifies the attenuator state (0 = no attenuation, 1 = electrostatic attenuation, 2 = mechanical attenuation, 3 = mechanical and electrostatic attenuation). (NUM_DISTS elements)
SignedMSB2
epoch
21600
1
-32768
32767
-32767
Spacecraft potential
sc_pot
1912428
1
Last Index Fastest
Spacecraft potential
IEEE754MSBSingle
volts
epoch
21600
1
-1.0E31
1.0E31
-1.0E31
Magnetic field
magf
1999336
2
Last Index Fastest
Magnetic field vector with dimension (3) in STATIC coordinates
IEEE754MSBSingle
nT
epoch
21600
1
vector_components
3
2
-1.0E31
1.0E31
-1.0E31
Quaternion to SC
quat_sc
2259044
2
Last Index Fastest
Quaternion elements to rotate from STATIC coordinates (same as APP coordinates) to SC coordinates (NUM_DISTS, 3)
IEEE754MSBSingle
epoch
21600
1
quaternion_elements
4
2
-1.0E31
1.0E31
-1.0E31
Quaternion to MSO
quat_mso
2605152
2
Last Index Fastest
Quaternion elements to rotate from STATIC coordinates (same as APP coordinates) to MSO coordinates (NUM_DISTS, 3)
IEEE754MSBSingle
epoch
21600
1
quaternion_elements
4
2
-1.0E31
1.0E31
-1.0E31
Bins flag
bins_sc
2951258
2
Last Index Fastest
Integer array of 1s and 0s with dimension (NBINS) Used to identify angle bins that include (value=0) spacecraft surfaces. If NBINS=1, then BINS_SC is set to 1. Values=0 indicates a solid angle bin with more than 50% blockage by the spacecraft.
SignedMSB2
epoch
21600
1
angle
64
2
-32768
32767
-32767
SC position MSO
pos_sc_mso
5716566
2
Last Index Fastest
Spacecraft position in MSO coordinates with dimension (NUM_DISTS, 3)
IEEE754MSBSingle
epoch
21600
1
vector_components
3
2
-1.0E31
1.0E31
-1.0E31
Background counts
bkg
5976290
4
Last Index Fastest
Background counts array with dimensions (NUM_DISTS, NENERGY, NBINS, NMASS)
IEEE754MSBSingle
Counts
epoch
21600
1
mass
8
2
angle
64
3
energy
32
4
-1.0E31
1.0E31
-1.0E31
Dead_time correction
dead
1421554414
4
Last Index Fastest
Dead time correction array with dimensions (NUM_DISTS, NENERGY, NBINS, NMASS), values 0.0 to 1.0, divide by this to correct.
IEEE754MSBSingle
epoch
21600
1
mass
8
2
angle
64
3
energy
32
4
-1.0E31
1.0E31
-1.0E31
Data counts
data
2837132538
4
Last Index Fastest
Counts array with dimensions (NUM_DISTS, NENERGY, NBINS, NMASS)
IEEE754MSBSingle
Counts
epoch
21600
1
mass
8
2
angle
64
3
energy
32
4
-1.0E31
1.0E31
-1.0E31
Energy flux
eflux
4252710662
4
Last Index Fastest
Differential energy flux array with dimensions (NUM_DISTS, NENERGY, NBINS, NMASS)
IEEE754MSBSingle
eV/(cm^2-s-sr-eV)
epoch
21600
1
mass
8
2
angle
64
3
energy
32
4
-1.0E31
1.0E31
-1.0E31
Quality flag
quality_flag
5668288760
1
Last Index Fastest
Quality flag: test pulser on (bit 0), diagnostic mode (bit 1), dead time correction greater than 2 flag (bit 2), detector droop correction greater than 2 flag (bit 3), dead time correction not at event time (bit 4), electrostatic attenuator problem (bit 5), attenuator change during accumulation (bit 6), mode change during accumulation (bit 7), LPW interference with data (bit 8), high background (bit 9), no background subtraction array (bit 10), missing spacecraft potential (bit 11), inflight calibration incomplete (bit 12), geometric factor problem (bit 13), ion suppression problem (bit 14), 0 (bit 15)
SignedMSB2
epoch
21600
1
-32768
32767
-32767
bins
bins
5668340542
1
Last Index Fastest
Array with dimension NBINS containing 1 OR 0 used to flag bad solid angle bins
SignedMSB2
angle
64
1
-32768
32767
-32767
energy
energy
5668341202
4
Last Index Fastest
Energy array with dimension (NSWP, NENERGY, NBINS, NMASS)
IEEE754MSBSingle
eV
mass
8
1
angle
64
2
energy
32
3
swp_index
28
4
-1.0E31
1.0E31
-1.0E31
denergy
denergy
5670176742
4
Last Index Fastest
Delta Energy array with dimension (NSWP, NENERGY, NBINS, NMASS)
IEEE754MSBSingle
eV
mass
8
1
angle
64
2
energy
32
3
swp_index
28
4
-1.0E31
1.0E31
-1.0E31
theta
theta
5672012282
4
Last Index Fastest
Angle array with with dimension (NSWP, NENERGY, NBINS, NMASS)
IEEE754MSBSingle
Degrees
mass
8
1
angle
64
2
energy
32
3
swp_index
28
4
-1.0E31
1.0E31
-1.0E31
dtheta
dtheta
5673847822
4
Last Index Fastest
Delta Angle array with dimension (NSWP, NENERGY, NBINS, NMASS)
IEEE754MSBSingle
Degrees
mass
8
1
angle
64
2
energy
32
3
swp_index
28
4
-1.0E31
1.0E31
-1.0E31
phi
phi
5675683362
4
Last Index Fastest
Angle array with dimension (NSWP, NENERGY, NBINS, NMASS)
IEEE754MSBSingle
Degrees
mass
8
1
angle
64
2
energy
32
3
swp_index
28
4
-1.0E31
1.0E31
-1.0E31
dphi
dphi
5677518902
4
Last Index Fastest
Delta Angle array with dimension (NSWP, NENERGY, NBINS, NMASS)
IEEE754MSBSingle
Degrees
mass
8
1
angle
64
2
energy
32
3
swp_index
28
4
-1.0E31
1.0E31
-1.0E31
domega
domega
5679354442
4
Last Index Fastest
Delta Solid Angle array with dimension (NSWP, NENERGY, NBINS, NMASS)
IEEE754MSBSingle
Steradians
mass
8
1
angle
64
2
energy
32
3
swp_index
28
4
-1.0E31
1.0E31
-1.0E31
gf
gf
5681189982
4
Last Index Fastest
Geometric Factor array with dimension (NSWP, NENERGY, NBINS, NMASS)
IEEE754MSBSingle
att_ind
4
1
angle
64
2
energy
32
3
swp_index
28
4
-1.0E31
1.0E31
-1.0E31
eff
eff
5682108018
4
Last Index Fastest
Efficiency array with dimension (NEFF, NENERGY, NBINS, NMASS)
IEEE754MSBSingle
mass
8
1
angle
64
2
energy
32
3
eff_index
128
4
-1.0E31
1.0E31
-1.0E31
mass_arr
mass_arr
5690497158
4
Last Index Fastest
Mass array with dimension (NSWP, NENERGY, NBINS, NMASS). Nominal mass of a mass bin in units of AMUs based on TOF. This array is not integer AMU.
IEEE754MSBSingle
AMU
mass
8
1
angle
64
2
energy
32
3
swp_index
28
4
-1.0E31
1.0E31
-1.0E31
tof_arr
tof_arr
5692332698
4
Last Index Fastest
Time-of-flight (TOF) array with dimension (NMLUT, NENERGY, NBINS, NMASS). Gives average TOF value for mass bins.
IEEE754MSBSingle
mass
8
1
angle
64
2
energy
32
3
mlut_index
9
4
-1.0E31
1.0E31
-1.0E31
twt_arr
twt_arr
5692923054
4
Last Index Fastest
Time-of-flight Weight (TWT) array with dimension (NMLUT, NENERGY, NBINS, NMASS). Gives number of TOF bins in a given mass bin. Used for normalizing a mass spectra.
IEEE754MSBSingle
mass
8
1
angle
64
2
energy
32
3
mlut_index
9
4
-1.0E31
1.0E31
-1.0E31
N. APID d2 (32e16a8m) - 32 energy x 16 anode x 8 mass ion distributions
No sample labels avaliable.
O. APID d3 (32e16a8m) - 32 energy x 16 anode x 8 mass ion distributions
No Sample labels available.
P. APID d4 (4d16a2m) - 4 deflection x 16 anode x 2 mass ion distributions
This sample data product label is from the MAVEN STATIC Calibrated Energy Flux:
64 Solid Angle X 2 Mass Bins Data Collection (LID = urn:nasa:pds:maven.static.c:data.d4_4d16a2m).
The sample label is for the date 2018-12-04.
urn:nasa:pds:maven.static.c:data.d4_4d16a2m:mvn_sta_l2_d4-4d16a2m_20181204
1.0
MAVEN STATIC Ion Spectra for 2018-12-04
1.4.0.0
Product_Observational
McFadden, J. P.
2019
Time-ordered, fully calibrated differential energy flux in 64 solid angle bin (4 deflection x 16 anodes) x 2 mass bin arrays covering 2018-12-04.
2019-05-08
1.0
Initial Verion
2018-12-04T03:14:55.236Z
2018-12-04T20:33:47.014Z
Science
Calibrated
Magnetosphere
Particles
Ions
Plasma
Mars Atmosphere and Volatile EvolutioN Mission
Mission
urn:nasa:pds:context:investigation:mission.maven
data_to_investigation
MAVEN
Spacecraft
urn:nasa:pds:context:instrument_host:spacecraft.maven
is_instrument_host
STATIC
Instrument
urn:nasa:pds:context:instrument:static.maven
is_instrument
Mars
Planet
urn:nasa:pds:context:target:planet.mars
data_to_target
EM-3
3.913581707585401E13
3.913990204798399E13
project_name
MAVEN
M
spacecraft
0
0
data_name
XX YYY where XX is the APID and YYY is the array abbreviation (64e2m, 32e32m, etc.)
d
apid
Application Process Identifier (APID) for the packet from which the data are taken.
d
units_name
eflux
c
units_procedure
mvn_convert_sta_units, name of IDL routine used for units conversion
m
num_dists
Number of measurements or times in the file
4144
nenergy
Number of energy bins
1
nbins
Number of solid angle bins
64
nmass
Number of mass bins
2
ndef
Number of deflector angle bins
4
nanode
Number of anode bins
16
natt
Number of attenuator states: 4
4
nswp
Number of sweep tables - will increase over mission as new sweep modes are added
28
neff
Number of efficiency arrays - will increase over mission as sensor degrades
128
nmlut
Number of MLUT tables - will increase over mission as new modes are developed
9
geom_factor
Geometric factor of a single 22.5 degree sector
1.9567319E-4
mass
Proton mass (0.01044) in units of MeV/c2
0.010438871
charge
Proton charge (1)
1.0
dead_time_1
Dead time for processed events. Dead time corrections are generally not necessary. Corrections require use of STATIC APID DA rate packets.
420.0
dead_time_2
Dead time for rejected events. Dead time corrections are generally not necessary. Corrections require use of STATIC APID DA rate packets.
660.0
dead_time_3
Dead time for stop-no-start events. Dead time corrections are generally not necessary. Corrections require use of STATIC APID DA rate packets.
460.0
compno_1
compno_1
1
data_energy_labl_1
data_energy_labl_1
d
bkg_energy_labl_1
bkg_energy_labl_1
b
eflux_energy_labl_1
eflux_energy_labl_1
e
dead_energy_labl_1
dead_energy_labl_1
d
Background counts
Background counts array with dimensions (NUM_DISTS, NENERGY, NBINS, NMASS)
bkg
particle_observation_to_observation_values
energy
particle_observation_to_aligned_values
denergy
particle_observation_to_aligned_values
theta
particle_observation_to_aligned_values
dtheta
particle_observation_to_aligned_values
phi
particle_observation_to_aligned_values
dphi
particle_observation_to_aligned_values
domega
particle_observation_to_aligned_values
gf
particle_observation_to_aligned_values
eff
particle_observation_to_aligned_values
mass_arr
particle_observation_to_aligned_values
tof_arr
particle_observation_to_aligned_values
twt_arr
particle_observation_to_aligned_values
Dead_time correction
Dead time correction array with dimensions (NUM_DISTS, NENERGY, NBINS, NMASS), values 0.0 to 1.0, divide by this to correct.
dead
particle_observation_to_observation_values
energy
particle_observation_to_aligned_values
denergy
particle_observation_to_aligned_values
theta
particle_observation_to_aligned_values
dtheta
particle_observation_to_aligned_values
phi
particle_observation_to_aligned_values
dphi
particle_observation_to_aligned_values
domega
particle_observation_to_aligned_values
gf
particle_observation_to_aligned_values
eff
particle_observation_to_aligned_values
mass_arr
particle_observation_to_aligned_values
tof_arr
particle_observation_to_aligned_values
twt_arr
particle_observation_to_aligned_values
Data counts
Counts array with dimensions (NUM_DISTS, NENERGY, NBINS, NMASS)
data
particle_observation_to_observation_values
energy
particle_observation_to_aligned_values
denergy
particle_observation_to_aligned_values
theta
particle_observation_to_aligned_values
dtheta
particle_observation_to_aligned_values
phi
particle_observation_to_aligned_values
dphi
particle_observation_to_aligned_values
domega
particle_observation_to_aligned_values
gf
particle_observation_to_aligned_values
eff
particle_observation_to_aligned_values
mass_arr
particle_observation_to_aligned_values
tof_arr
particle_observation_to_aligned_values
twt_arr
particle_observation_to_aligned_values
Energy flux
Differential energy flux array with dimensions (NUM_DISTS, NENERGY, NBINS, NMASS)
eflux
particle_observation_to_observation_values
energy
particle_observation_to_aligned_values
denergy
particle_observation_to_aligned_values
theta
particle_observation_to_aligned_values
dtheta
particle_observation_to_aligned_values
phi
particle_observation_to_aligned_values
dphi
particle_observation_to_aligned_values
domega
particle_observation_to_aligned_values
gf
particle_observation_to_aligned_values
eff
particle_observation_to_aligned_values
mass_arr
particle_observation_to_aligned_values
tof_arr
particle_observation_to_aligned_values
twt_arr
particle_observation_to_aligned_values
gf
Geometric Factor array with dimension (NSWP, NENERGY, NBINS, NMASS)
gf
particle_observation_to_observation_values
att_ind
particle_observation_to_axis_values
1
index
particle_observation_to_axis_values
2
index
particle_observation_to_axis_values
3
energy
particle_observation_to_aligned_values
denergy
particle_observation_to_aligned_values
theta
particle_observation_to_aligned_values
dtheta
particle_observation_to_aligned_values
phi
particle_observation_to_aligned_values
dphi
particle_observation_to_aligned_values
domega
particle_observation_to_aligned_values
gf
particle_observation_to_aligned_values
eff
particle_observation_to_aligned_values
mass_arr
particle_observation_to_aligned_values
tof_arr
particle_observation_to_aligned_values
twt_arr
particle_observation_to_aligned_values
eff
Efficiency array with dimension (NEFF, NENERGY, NBINS, NMASS)
eff
particle_observation_to_observation_values
index
particle_observation_to_axis_values
1
index
particle_observation_to_axis_values
2
eff_ind
particle_observation_to_axis_values
3
energy
particle_observation_to_aligned_values
denergy
particle_observation_to_aligned_values
theta
particle_observation_to_aligned_values
dtheta
particle_observation_to_aligned_values
phi
particle_observation_to_aligned_values
dphi
particle_observation_to_aligned_values
domega
particle_observation_to_aligned_values
gf
particle_observation_to_aligned_values
eff
particle_observation_to_aligned_values
mass_arr
particle_observation_to_aligned_values
tof_arr
particle_observation_to_aligned_values
twt_arr
particle_observation_to_aligned_values
time values
epoch
data_values_to_data_values
time_met
data_values_to_data_values
time_unix
data_values_to_data_values
urn:nasa:pds:maven.spice:spice_kernels:lsk_naif0012.tls::1.0
data_to_spice_kernel
This data file was processed using the SPICE leapsecond kernel: naif0012.tls.
urn:nasa:pds:maven.spice:spice_kernels:sclk_mvn_sclkscet_00065.tsc::1.0
data_to_spice_kernel
This data file was processed using the SPICE MAVEN SCLK kernel: MVN_SCLKSCET.00065.tsc.
mvn_sta_l2_d4-4d16a2m_20181204_v02_r07.cdf
2019-05-08T02:43:08
9975391
576f9bda3a30adc0c5b2f9d2fb32c1c2
CDF Header
0
404
CDF 3.4 ISTP/IACG
TT2000
epoch
89486
1
Last Index Fastest
UTC time from 01-Jan-2000 12:00:00.000 (including leap seconds), stored as an integer in nanoseconds.
SignedMSB8
nanosec
epoch
4144
1
-0.0
3.595796016651621E-222
2.2152726415982762E-279
Mission Elapsed Time
time_met
123142
1
Last Index Fastest
Mission elapsed time for this data record.
IEEE754MSBDouble
sec
epoch
4144
1
-1.0E31
8.5587834E8
0.0
SPICE Ephemeris Time
time_ephemeris
156798
1
Last Index Fastest
Time used by SPICE program.
IEEE754MSBDouble
sec
epoch
4144
1
-1.0E31
1.293883209183998E9
4.380048671839981E8
Unix Time
time_unix
190454
1
Last Index Fastest
Unix time (elapsed seconds since 1970-01-01/00:00 without leap seconds) for this data record. This time is the center time of data collection.
IEEE754MSBDouble
sec
epoch
4144
1
-1.0E31
2.24061114E9
1.3847328E9
Interval start time (unix)
time_start
224110
1
Last Index Fastest
Unix time at the start of data collection. (NUM_DISTS elements)
IEEE754MSBDouble
sec
epoch
4144
1
-1.0E31
2.24061114E9
1.3847328E9
Interval end time (unix)
time_end
257766
1
Last Index Fastest
Unix time at the end of data collection. (NUM_DISTS elements)
IEEE754MSBDouble
sec
epoch
4144
1
-1.0E31
2.24061114E9
1.3847328E9
Averaging time
time_delta
291422
1
Last Index Fastest
Averaging time. (TIME_DELTA = TIME_END - TIME_START).
IEEE754MSBDouble
sec
epoch
4144
1
-1.0E31
1.0E31
-1.0E31
Integration time
time_integ
325078
1
Last Index Fastest
Integration time. (TIME_DELTA / (NENERGY*NDEF)).
IEEE754MSBDouble
sec
epoch
4144
1
-1.0E31
1.0E31
-1.0E31
Eprom version
eprom_ver
358728
1
Last Index Fastest
An integer designating the flight EPROM version number that determines stored Real Time Sequence (RTS) commands and table loads that configure the STATIC instrument and determine energy and angle sweeps.
SignedMSB2
epoch
4144
1
-32768
32767
-32767
Header
header
367516
1
Last Index Fastest
A long integer that consists of bytes 12-15 in data packet header. See MAVEN_PF_FSW_021_CTM.xls for definition of header bits. (NUM_DISTS elements)
SignedMSB4
epoch
4144
1
-2147483648
2147483647
-2147483647
Valid flag
valid
384590
1
Last Index Fastest
Validity flag codes valid data (bit 0), test pulser on (bit 1), diagnostic mode (bit 2), data compression type (bit 3-4), packet compression (bit 5) (NUM_DISTS elements)
SignedMSB2
epoch
4144
1
-32768
32767
-32767
Mode number
mode
393376
1
Last Index Fastest
Decoded mode number: 1=ram, 2=conic, 3=pickup, 4=scan, 5=eclipse, 6=protect
SignedMSB2
epoch
4144
1
-32768
32767
-32767
Telemetry rate number
rate
402162
1
Last Index Fastest
Decoded telemetry rate number. (NUM_DISTS elements)
SignedMSB2
epoch
4144
1
-32768
32767
-32767
Sweep index
swp_ind
410948
1
Last Index Fastest
Index that identifies the energy and deflector sweep look up tables (LUT) for the sensor. SWP_IND is an index that selects the following support data arrays: ENERGY, DENERGY, THETA, DTHETA, PHI, DPHI, DOMEGA, GF and MASS_ARR. (NUM_DISTS elements), SWP_IND Le NSWP
SignedMSB2
epoch
4144
1
-32768
32767
-32767
MLUT index
mlut_ind
419734
1
Last Index Fastest
Index that identifies the onboard mass look up table (MLUT). MLUT_IND is an index that selects the following support data: TOF_ARR. (NUM_DISTS elements) MLUT Le NMLUT
SignedMSB2
epoch
4144
1
-32768
32767
-32767
Efficiency index
eff_ind
428520
1
Last Index Fastest
Index that identifies the efficiency calibration table to be used. EFF_IND is an index that selects the following support data: EFF. (NUM_DISTS elements) EFF_IND Le NEFF
SignedMSB2
epoch
4144
1
-32768
32767
-32767
Attenuator state
att_ind
437306
1
Last Index Fastest
Index that identifies the attenuator state (0 = no attenuation, 1 = electrostatic attenuation, 2 = mechanical attenuation, 3 = mechanical and electrostatic attenuation). (NUM_DISTS elements)
SignedMSB2
epoch
4144
1
-32768
32767
-32767
Spacecraft potential
sc_pot
446094
1
Last Index Fastest
Spacecraft potential
IEEE754MSBSingle
volts
epoch
4144
1
-1.0E31
1.0E31
-1.0E31
Magnetic field
magf
463178
2
Last Index Fastest
Magnetic field vector with dimension (3) in STATIC coordinates
IEEE754MSBSingle
nT
epoch
4144
1
vector_components
3
2
-1.0E31
1.0E31
-1.0E31
Quaternion to SC
quat_sc
513414
2
Last Index Fastest
Quaternion elements to rotate from STATIC coordinates (same as APP coordinates) to SC coordinates (NUM_DISTS, 3)
IEEE754MSBSingle
epoch
4144
1
quaternion_elements
4
2
-1.0E31
1.0E31
-1.0E31
Quaternion to MSO
quat_mso
580226
2
Last Index Fastest
Quaternion elements to rotate from STATIC coordinates (same as APP coordinates) to MSO coordinates (NUM_DISTS, 3)
IEEE754MSBSingle
epoch
4144
1
quaternion_elements
4
2
-1.0E31
1.0E31
-1.0E31
Bins flag
bins_sc
647036
2
Last Index Fastest
Integer array of 1s and 0s with dimension (NBINS) Used to identify angle bins that include (value=0) spacecraft surfaces. If NBINS=1, then BINS_SC is set to 1. Values=0 indicates a solid angle bin with more than 50% blockage by the spacecraft.
SignedMSB2
epoch
4144
1
angle
64
2
-32768
32767
-32767
SC position MSO
pos_sc_mso
1177976
2
Last Index Fastest
Spacecraft position in MSO coordinates with dimension (NUM_DISTS, 3)
IEEE754MSBSingle
epoch
4144
1
vector_components
3
2
-1.0E31
1.0E31
-1.0E31
Background counts
bkg
1228228
4
Last Index Fastest
Background counts array with dimensions (NUM_DISTS, NENERGY, NBINS, NMASS)
IEEE754MSBSingle
Counts
epoch
4144
1
mass
2
2
angle
64
3
energy
1
4
-1.0E31
1.0E31
-1.0E31
Dead_time correction
dead
3350480
4
Last Index Fastest
Dead time correction array with dimensions (NUM_DISTS, NENERGY, NBINS, NMASS), values 0.0 to 1.0, divide by this to correct.
IEEE754MSBSingle
epoch
4144
1
mass
2
2
angle
64
3
energy
1
4
-1.0E31
1.0E31
-1.0E31
Data counts
data
5472732
4
Last Index Fastest
Counts array with dimensions (NUM_DISTS, NENERGY, NBINS, NMASS)
IEEE754MSBSingle
Counts
epoch
4144
1
mass
2
2
angle
64
3
energy
1
4
-1.0E31
1.0E31
-1.0E31
Energy flux
eflux
7594984
4
Last Index Fastest
Differential energy flux array with dimensions (NUM_DISTS, NENERGY, NBINS, NMASS)
IEEE754MSBSingle
eV/(cm^2-s-sr-eV)
epoch
4144
1
mass
2
2
angle
64
3
energy
1
4
-1.0E31
1.0E31
-1.0E31
Quality flag
quality_flag
9717210
1
Last Index Fastest
Quality flag: test pulser on (bit 0), diagnostic mode (bit 1), dead time correction greater than 2 flag (bit 2), detector droop correction greater than 2 flag (bit 3), dead time correction not at event time (bit 4), electrostatic attenuator problem (bit 5), attenuator change during accumulation (bit 6), mode change during accumulation (bit 7), LPW interference with data (bit 8), high background (bit 9), no background subtraction array (bit 10), missing spacecraft potential (bit 11), inflight calibration incomplete (bit 12), geometric factor problem (bit 13), ion suppression problem (bit 14), 0 (bit 15)
SignedMSB2
epoch
4144
1
-32768
32767
-32767
bins
bins
9734074
1
Last Index Fastest
Array with dimension NBINS containing 1 OR 0 used to flag bad solid angle bins
SignedMSB2
angle
64
1
-32768
32767
-32767
energy
energy
9734734
4
Last Index Fastest
Energy array with dimension (NSWP, NENERGY, NBINS, NMASS)
IEEE754MSBSingle
eV
mass
2
1
angle
64
2
energy
1
3
swp_index
28
4
-1.0E31
1.0E31
-1.0E31
denergy
denergy
9749602
4
Last Index Fastest
Delta Energy array with dimension (NSWP, NENERGY, NBINS, NMASS)
IEEE754MSBSingle
eV
mass
2
1
angle
64
2
energy
1
3
swp_index
28
4
-1.0E31
1.0E31
-1.0E31
theta
theta
9764470
4
Last Index Fastest
Angle array with with dimension (NSWP, NENERGY, NBINS, NMASS)
IEEE754MSBSingle
Degrees
mass
2
1
angle
64
2
energy
1
3
swp_index
28
4
-1.0E31
1.0E31
-1.0E31
dtheta
dtheta
9779338
4
Last Index Fastest
Delta Angle array with dimension (NSWP, NENERGY, NBINS, NMASS)
IEEE754MSBSingle
Degrees
mass
2
1
angle
64
2
energy
1
3
swp_index
28
4
-1.0E31
1.0E31
-1.0E31
phi
phi
9794206
4
Last Index Fastest
Angle array with dimension (NSWP, NENERGY, NBINS, NMASS)
IEEE754MSBSingle
Degrees
mass
2
1
angle
64
2
energy
1
3
swp_index
28
4
-1.0E31
1.0E31
-1.0E31
dphi
dphi
9809074
4
Last Index Fastest
Delta Angle array with dimension (NSWP, NENERGY, NBINS, NMASS)
IEEE754MSBSingle
Degrees
mass
2
1
angle
64
2
energy
1
3
swp_index
28
4
-1.0E31
1.0E31
-1.0E31
domega
domega
9823942
4
Last Index Fastest
Delta Solid Angle array with dimension (NSWP, NENERGY, NBINS, NMASS)
IEEE754MSBSingle
Steradians
mass
2
1
angle
64
2
energy
1
3
swp_index
28
4
-1.0E31
1.0E31
-1.0E31
gf
gf
9838810
4
Last Index Fastest
Geometric Factor array with dimension (NSWP, NENERGY, NBINS, NMASS)
IEEE754MSBSingle
att_ind
4
1
angle
64
2
energy
1
3
swp_index
28
4
-1.0E31
1.0E31
-1.0E31
eff
eff
9868014
4
Last Index Fastest
Efficiency array with dimension (NEFF, NENERGY, NBINS, NMASS)
IEEE754MSBSingle
mass
2
1
angle
64
2
energy
1
3
eff_index
128
4
-1.0E31
1.0E31
-1.0E31
mass_arr
mass_arr
9934082
4
Last Index Fastest
Mass array with dimension (NSWP, NENERGY, NBINS, NMASS). Nominal mass of a mass bin in units of AMUs based on TOF. This array is not integer AMU.
IEEE754MSBSingle
AMU
mass
2
1
angle
64
2
energy
1
3
swp_index
28
4
-1.0E31
1.0E31
-1.0E31
tof_arr
tof_arr
9948950
4
Last Index Fastest
Time-of-flight (TOF) array with dimension (NMLUT, NENERGY, NBINS, NMASS). Gives average TOF value for mass bins.
IEEE754MSBSingle
mass
2
1
angle
64
2
energy
1
3
mlut_index
9
4
-1.0E31
1.0E31
-1.0E31
twt_arr
twt_arr
9954090
4
Last Index Fastest
Time-of-flight Weight (TWT) array with dimension (NMLUT, NENERGY, NBINS, NMASS). Gives number of TOF bins in a given mass bin. Used for normalizing a mass spectra.
IEEE754MSBSingle
mass
2
1
angle
64
2
energy
1
3
mlut_index
9
4
-1.0E31
1.0E31
-1.0E31
Q. APID d6 (events) - raw event data
This sample data product label is from the MAVEN STATIC Raw Event Data Collection
(LID = urn:nasa:pds:maven.static.c:data.d6_events). The sample label is for the date
2018-12-02.
urn:nasa:pds:maven.static.c:data.d6_events:mvn_sta_l2_d6-events_20181202
1.0
MAVEN STATIC Ion Spectra for 2018-12-02
1.4.0.0
Product_Observational
McFadden, J. P.
2019
Time-ordered, raw event data covering 2018-12-02.
2019-05-08
1.0
Initial Verion
2018-12-02T02:16:34.732Z
2018-12-02T20:12:18.412Z
Engineering
Calibrated
Mars Atmosphere and Volatile EvolutioN Mission
Mission
urn:nasa:pds:context:investigation:mission.maven
data_to_investigation
MAVEN
Spacecraft
urn:nasa:pds:context:instrument_host:spacecraft.maven
is_instrument_host
STATIC
Instrument
urn:nasa:pds:context:instrument:static.maven
is_instrument
Mars
Planet
urn:nasa:pds:context:target:planet.mars
data_to_target
EM-3
3.912426305521201E13
3.9128492986432E13
project_name
MAVEN
M
spacecraft
0
0
data_name
XX YYY where XX is the APID and YYY is the array abbreviation (64e2m, 32e32m, etc.)
d
apid
Application Process Identifier (APID) for the packet from which the data are taken.
d
num_dists
Number of measurements or times in the file
147283
tdc1_conv
Conversion factor for TDC1
0.17111568
tdc2_conv
Conversion factor for TDC2
0.17111568
tdc3_conv
Conversion factor for TDC3
0.0569395
tdc4_conv
Conversion factor for TDC4
0.05574913
tdc1_offset
Offset to subtract from TDC1 before multiplying by TDC1_CONV to get TOF in nanoseconds
16.0
tdc2_offset
Offset to subtract from TDC2 before multiplying by TDC1_CONV to get TOF in nanoseconds
22.0
tdc3_offset
Offset to subtract from TDC3 before multiplying by TDC1_CONV to get POS in nanoseconds
3.0
tdc4_offset
Offset to subtract from TDC4 before multiplying by TDC1_CONV to get POS in nanoseconds
-0.5
evconvlut
Look up table code for valid events addressed by the TDC pulses (see cmd 0x41 in MAVEN_PF_STATIC_012_FPGA_Specification)
255
timerst
Sets dead time for rejected events. Used to assure TDC is completely reset. (see cmd 0x46 in MAVEN_PF_STATIC_012_FPGA_Specification)
10
time values
epoch
data_values_to_data_values
time_met
data_values_to_data_values
time_unix
data_values_to_data_values
urn:nasa:pds:maven.spice:spice_kernels:lsk_naif0012.tls::1.0
data_to_spice_kernel
This data file was processed using the SPICE leapsecond kernel: naif0012.tls.
urn:nasa:pds:maven.spice:spice_kernels:sclk_mvn_sclkscet_00065.tsc::1.0
data_to_spice_kernel
This data file was processed using the SPICE MAVEN SCLK kernel: MVN_SCLKSCET.00065.tsc.
mvn_sta_l2_d6-events_20181202_v02_r08.cdf
2019-05-08T02:43:13
7719925
189a330406d432faa67385a3e090c041
CDF Header
0
404
CDF 3.4 ISTP/IACG
TT2000
epoch
45965
1
Last Index Fastest
UTC time from 01-Jan-2000 12:00:00.000 (including leap seconds), stored as an integer in nanoseconds.
SignedMSB8
nanosec
epoch
147283
1
-0.0
3.595796016651621E-222
2.2152726415982762E-279
Mission Elapsed Time
time_met
1224733
1
Last Index Fastest
Mission elapsed time for this data record.
IEEE754MSBDouble
sec
epoch
147283
1
-1.0E31
8.5587834E8
0.0
SPICE Ephemeris Time
time_ephemeris
2403501
1
Last Index Fastest
Time used by SPICE program.
IEEE754MSBDouble
sec
epoch
147283
1
-1.0E31
1.293883209183998E9
4.380048671839981E8
Unix Time
time_unix
3582269
1
Last Index Fastest
Unix time (elapsed seconds since 1970-01-01/00:00 without leap seconds) for this data record. This time is the center time of data collection.
IEEE754MSBDouble
sec
epoch
147283
1
-1.0E31
2.24061114E9
1.3847328E9
Valid flag
valid
4761031
1
Last Index Fastest
Validity flag codes valid data (bit 0), test pulser on (bit 1), diagnostic mode (bit 2), data compression type (bit 3-4), packet compression (bit 5) (NUM_DISTS elements)
SignedMSB2
epoch
147283
1
-32768
32767
-32767
tdc_1
tdc_1
5056095
1
Last Index Fastest
Time-to-Digital Converter (TDC) 1, time of flight from TA-TC.
SignedMSB2
epoch
147283
1
-32768
32767
-32767
tdc_2
tdc_2
5351159
1
Last Index Fastest
Time-to-Digital Converter (TDC) 2, time of flight from TB-TD.
SignedMSB2
epoch
147283
1
-32768
32767
-32767
tdc_3
tdc_3
5646223
1
Last Index Fastest
Time-to-Digital Converter (TDC) 3, position from TA-TB.
SignedMSB2
epoch
147283
1
-32768
32767
-32767
tdc_4
tdc_4
5941287
1
Last Index Fastest
Time-to-Digital Converter (TDC) 4, position from TC-TD.
SignedMSB2
epoch
147283
1
-32768
32767
-32767
ev_code
event_code
6236351
1
Last Index Fastest
Event code: bit0-5: A-first, B-first, A-pulse valid, B-pulse valid, C-pulse valid, D-pulse valid
SignedMSB2
epoch
147283
1
-32768
32767
-32767
cyclestep
cyclestep
6531415
1
Last Index Fastest
Cycle step (0-1023) during a data accumulation that the event happened
SignedMSB2
epoch
147283
1
-32768
32767
-32767
energy
energy
6826481
1
Last Index Fastest
Sensor energy during the event
IEEE754MSBSingle
epoch
147283
1
-1.0E31
1.0E31
-1.0E31
Quality flag
quality_flag
7416111
1
Last Index Fastest
Quality flag: test pulser on (bit 0), diagnostic mode (bit 1), dead time correction greater than 2 flag (bit 2), detector droop correction greater than 2 flag (bit 3), dead time correction not at event time (bit 4), electrostatic attenuator problem (bit 5), attenuator change during accumulation (bit 6), mode change during accumulation (bit 7), LPW interference with data (bit 8), high background (bit 9), no background subtraction array (bit 10), missing spacecraft potential (bit 11), inflight calibration incomplete (bit 12), geometric factor problem (bit 13), ion suppression problem (bit 14), 0 (bit 15)
SignedMSB2
epoch
147283
1
-32768
32767
-32767
an_bin_tdc3
an_bin_tdc3
7717745
2
Last Index Fastest
Onboard anode bin rejection boundaries used to filter TDC3 event position with dimension 16 anodes x 2 limits (16, 2). (upper/lower limits)
SignedMSB2
limit
2
1
annode
16
2
-32768
32767
-32767
an_bin_tdc4
an_bin_tdc4
7718323
2
Last Index Fastest
Onboard anode bin rejection boundaries used to filter TDC4 event position with dimension 16 anodes x 2 limits (16, 2). (upper/lower limits)
SignedMSB2
limit
2
1
annode
16
2
-32768
32767
-32767
ms_bias_offset
ms_bias_offset
7718893
1
Last Index Fastest
Onboard mass bias offset array for correcting TDC1 and TDC2 prior to mass bin validation.
SignedMSB2
annode
16
1
-32768
32767
-32767
R. APID d7 (fsthkp) - fast housekeeping
This sample data product label is from the MAVEN STATIC Fast Housekeeping Data Collection
(LID = urn:nasa:pds:maven.static.c:data.d7_fsthkp). The sample label is for the date
2018-12-01.
urn:nasa:pds:maven.static.c:data.d7_fsthkp:mvn_sta_l2_d7-fsthkp_20181201
1.0
MAVEN STATIC Ion Spectra for 2018-12-01
1.4.0.0
Product_Observational
McFadden, J. P.
2019
Time-ordered, fully calibrated fast housekeeping data covering 2018-12-01.
2019-05-08
1.0
Initial Verion
2018-12-01T07:59:21.813Z
2018-12-01T08:02:25.806Z
Engineering
Calibrated
Mars Atmosphere and Volatile EvolutioN Mission
Mission
urn:nasa:pds:context:investigation:mission.maven
data_to_investigation
MAVEN
Spacecraft
urn:nasa:pds:context:instrument_host:spacecraft.maven
is_instrument_host
STATIC
Instrument
urn:nasa:pds:context:instrument:static.maven
is_instrument
Mars
Planet
urn:nasa:pds:context:target:planet.mars
data_to_target
EM-3
3.911994863249099E13
3.911996069060301E13
project_name
MAVEN
M
spacecraft
0
0
data_name
XX YYY where XX is the APID and YYY is the array abbreviation (64e2m, 32e32m, etc.)
d
apid
Application Process Identifier (APID) for the packet from which the data are taken.
d
num_dists
Number of measurements or times in the file
12288
nhkp
Number of housekeeping channels - 99
24
time values
epoch
data_values_to_data_values
time_met
data_values_to_data_values
time_unix
data_values_to_data_values
urn:nasa:pds:maven.spice:spice_kernels:lsk_naif0012.tls::1.0
data_to_spice_kernel
This data file was processed using the SPICE leapsecond kernel: naif0012.tls.
urn:nasa:pds:maven.spice:spice_kernels:sclk_mvn_sclkscet_00065.tsc::1.0
data_to_spice_kernel
This data file was processed using the SPICE MAVEN SCLK kernel: MVN_SCLKSCET.00065.tsc.
mvn_sta_l2_d7-fsthkp_20181201_v02_r02.cdf
2019-05-08T02:43:19
609054
5088ce3be20a64ca84fe7b7f1bb6bca1
CDF Header
0
404
CDF 3.4 ISTP/IACG
TT2000
epoch
33893
1
Last Index Fastest
UTC time from 01-Jan-2000 12:00:00.000 (including leap seconds), stored as an integer in nanoseconds.
SignedMSB8
nanosec
epoch
12288
1
-0.0
3.595796016651621E-222
2.2152726415982762E-279
Mission Elapsed Time
time_met
132701
1
Last Index Fastest
Mission elapsed time for this data record.
IEEE754MSBDouble
sec
epoch
12288
1
-1.0E31
8.5587834E8
0.0
SPICE Ephemeris Time
time_ephemeris
231509
1
Last Index Fastest
Time used by SPICE program.
IEEE754MSBDouble
sec
epoch
12288
1
-1.0E31
1.293883209183998E9
4.380048671839981E8
Unix Time
time_unix
330317
1
Last Index Fastest
Unix time (elapsed seconds since 1970-01-01/00:00 without leap seconds) for this data record. This time is the center time of data collection.
IEEE754MSBDouble
sec
epoch
12288
1
-1.0E31
2.24061114E9
1.3847328E9
Valid flag
valid
429119
1
Last Index Fastest
Validity flag codes valid data (bit 0), test pulser on (bit 1), diagnostic mode (bit 2), data compression type (bit 3-4), packet compression (bit 5) (NUM_DISTS elements)
SignedMSB2
epoch
12288
1
-32768
32767
-32767
hxkp_raw
hkp_raw
454193
1
Last Index Fastest
Housekeeping array of dimension (NHKP) of raw housekeeping values.
SignedMSB2
epoch
12288
1
-32768
32767
-32767
hkp
hkp_calib
479269
1
Last Index Fastest
Housekeeping array of dimension (NUM_DISTS) of calibrated housekeeping values
IEEE754MSBSingle
epoch
12288
1
-1.0E31
1.0E31
-1.0E31
hkp_ind
hkp_ind
528921
1
Last Index Fastest
Index defines the selected fast housekeeping channel (NUM_DISTS elements). HKP_IND can be used to select support data.
SignedMSB4
epoch
12288
1
-2147483648
2147483647
-2147483647
Quality flag
quality_flag
578571
1
Last Index Fastest
Quality flag: test pulser on (bit 0), diagnostic mode (bit 1), dead time correction greater than 2 flag (bit 2), detector droop correction greater than 2 flag (bit 3), dead time correction not at event time (bit 4), electrostatic attenuator problem (bit 5), attenuator change during accumulation (bit 6), mode change during accumulation (bit 7), LPW interference with data (bit 8), high background (bit 9), no background subtraction array (bit 10), missing spacecraft potential (bit 11), inflight calibration incomplete (bit 12), geometric factor problem (bit 13), ion suppression problem (bit 14), 0 (bit 15)
SignedMSB2
epoch
12288
1
-32768
32767
-32767
hkp_conv
hkp_conv
606689
2
Last Index Fastest
Calibration parameters to convert raw housekeeping value to calibrated housekeeping with dimension (8,NHKP)
IEEE754MSBDouble
hsk_channel
24
1
n/a
8
2
-1.0E31
1.0E31
-1.0E31
S. APID d8 (12r) - 12 event rates summed over energy
This sample data product label is from the MAVEN STATIC Event Rate:
12 Rate Channels Summed Over a Single Spin Data Collection
(LID = urn:nasa:pds:maven.static.c:data.d8_12r1e). The sample label is for the date
2018-12-02.
urn:nasa:pds:maven.static.c:data.d8_12r1e:mvn_sta_l2_d8-12r1e_20181202
1.0
MAVEN STATIC Ion Spectra for 2018-12-02
1.4.0.0
Product_Observational
McFadden, J. P.
2019
Time-ordered event rate data summed over a spin 12 event rates averaged over energy covering 2018-12-02.
2019-05-08
1.0
Initial Verion
2018-12-02T00:00:11.743Z
2018-12-03T00:00:07.507Z
Science
Calibrated
Magnetosphere
Particles
Ions
Plasma
Mars Atmosphere and Volatile EvolutioN Mission
Mission
urn:nasa:pds:context:investigation:mission.maven
data_to_investigation
MAVEN
Spacecraft
urn:nasa:pds:context:instrument_host:spacecraft.maven
is_instrument_host
STATIC
Instrument
urn:nasa:pds:context:instrument:static.maven
is_instrument
Mars
Planet
urn:nasa:pds:context:target:planet.mars
data_to_target
EM-3
3.912372677527601E13
3.912938880354899E13
project_name
MAVEN
M
spacecraft
0
0
data_name
XX YYY where XX is the APID and YYY is the array abbreviation (64e2m, 32e32m, etc.)
d
apid
Application Process Identifier (APID) for the packet from which the data are taken.
d
num_dists
Number of measurements or times in the file
21600
nswp
Number of sweep tables; will increase over mission as new sweep modes are added
28
nrate
Number of rate channels - 12
12
time values
epoch
data_values_to_data_values
time_met
data_values_to_data_values
time_unix
data_values_to_data_values
urn:nasa:pds:maven.spice:spice_kernels:lsk_naif0012.tls::1.0
data_to_spice_kernel
This data file was processed using the SPICE leapsecond kernel: naif0012.tls.
urn:nasa:pds:maven.spice:spice_kernels:sclk_mvn_sclkscet_00065.tsc::1.0
data_to_spice_kernel
This data file was processed using the SPICE MAVEN SCLK kernel: MVN_SCLKSCET.00065.tsc.
mvn_sta_l2_d8-12r1e_20181202_v02_r08.cdf
2019-05-08T02:43:19
2657265
b28725a478ce6d86b6c439f9a9bb5030
CDF Header
0
404
CDF 3.4 ISTP/IACG
TT2000
epoch
43764
1
Last Index Fastest
UTC time from 01-Jan-2000 12:00:00.000 (including leap seconds), stored as an integer in nanoseconds.
SignedMSB8
nanosec
epoch
21600
1
-0.0
3.595796016651621E-222
2.2152726415982762E-279
Mission Elapsed Time
time_met
217068
1
Last Index Fastest
Mission elapsed time for this data record.
IEEE754MSBDouble
sec
epoch
21600
1
-1.0E31
8.5587834E8
0.0
SPICE Ephemeris Time
time_ephemeris
390372
1
Last Index Fastest
Time used by SPICE program.
IEEE754MSBDouble
sec
epoch
21600
1
-1.0E31
1.293883209183998E9
4.380048671839981E8
Unix Time
time_unix
563676
1
Last Index Fastest
Unix time (elapsed seconds since 1970-01-01/00:00 without leap seconds) for this data record. This time is the center time of data collection.
IEEE754MSBDouble
sec
epoch
21600
1
-1.0E31
2.24061114E9
1.3847328E9
Interval start time (unix)
time_start
736980
1
Last Index Fastest
Unix time at the start of data collection. (NUM_DISTS elements)
IEEE754MSBDouble
sec
epoch
21600
1
-1.0E31
2.24061114E9
1.3847328E9
Interval end time (unix)
time_end
910284
1
Last Index Fastest
Unix time at the end of data collection. (NUM_DISTS elements)
IEEE754MSBDouble
sec
epoch
21600
1
-1.0E31
2.24061114E9
1.3847328E9
Integration time
integ_time
1083588
1
Last Index Fastest
Integration time for rate in seconds. (NUM_DISTS elements).
IEEE754MSBDouble
epoch
21600
1
-1.0E31
1.0E31
-1.0E31
Valid flag
valid
1256886
1
Last Index Fastest
Validity flag codes valid data (bit 0), test pulser on (bit 1), diagnostic mode (bit 2), data compression type (bit 3-4), packet compression (bit 5) (NUM_DISTS elements)
SignedMSB2
epoch
21600
1
-32768
32767
-32767
Eprom version
eprom_ver
1300584
1
Last Index Fastest
An integer designating the flight EPROM version number that determines stored Real Time Sequence (RTS) commands and table loads that configure the STATIC instrument and determine energy and angle sweeps.
SignedMSB2
epoch
21600
1
-32768
32767
-32767
Header
header
1344284
1
Last Index Fastest
A long integer that consists of bytes 12-15 in data packet header. See MAVEN_PF_FSW_021_CTM.xls for definition of header bits. (NUM_DISTS elements)
SignedMSB4
epoch
21600
1
-2147483648
2147483647
-2147483647
Mode number
mode
1431182
1
Last Index Fastest
Decoded mode number: 1=ram, 2=conic, 3=pickup, 4=scan, 5=eclipse, 6=protect
SignedMSB2
epoch
21600
1
-32768
32767
-32767
Telemetry rate number
rate
1474880
1
Last Index Fastest
Decoded telemetry rate number. (NUM_DISTS elements)
SignedMSB2
epoch
21600
1
-32768
32767
-32767
Sweep index
swp_ind
1518578
1
Last Index Fastest
Index that identifies the energy and deflector sweep look up tables (LUT) for the sensor. SWP_IND is an index that selects the following support data arrays: ENERGY, DENERGY, THETA, DTHETA, PHI, DPHI, DOMEGA, GF and MASS_ARR. (NUM_DISTS elements), EN_IND Le NSWP
SignedMSB2
epoch
21600
1
-32768
32767
-32767
Rates
rates
1562286
2
Last Index Fastest
Rate data for the rate channels sorted by energy step with dimension (NUM_DISTS, NRATE, NENERGY) units=counts/s
IEEE754MSBSingle
1/sec
epoch
21600
1
rate_channel
12
2
-1.0E31
1.0E31
-1.0E31
Quality flag
quality_flag
2599584
1
Last Index Fastest
Quality flag: test pulser on (bit 0), diagnostic mode (bit 1), dead time correction greater than 2 flag (bit 2), detector droop correction greater than 2 flag (bit 3), dead time correction not at event time (bit 4), electrostatic attenuator problem (bit 5), attenuator change during accumulation (bit 6), mode change during accumulation (bit 7), LPW interference with data (bit 8), high background (bit 9), no background subtraction array (bit 10), missing spacecraft potential (bit 11), inflight calibration incomplete (bit 12), geometric factor problem (bit 13), ion suppression problem (bit 14), 0 (bit 15)
SignedMSB2
epoch
21600
1
-32768
32767
-32767
energy
energy
2646320
2
Last Index Fastest
Energy array with dimension (NSWP, 64)
IEEE754MSBSingle
eV
energy
64
1
swp_index
28
2
-1.0E31
1.0E31
-1.0E31
T. APID d9 (12r64e) - 12 event rates x 64 energy
This sample data product label is from the MAVEN STATIC Event Rate:
12 Rate Channels Summed Over Multiple Spins Data Collection
(LID = urn:nasa:pds:maven.static.c:data.d9_12r64e). The sample label is for the date
2018-12-20.
urn:nasa:pds:maven.static.c:data.d9_12r64e:mvn_sta_l2_d9-12r64e_20181220
1.0
MAVEN STATIC Ion Spectra for 2018-12-20
1.4.0.0
Product_Observational
McFadden, J. P.
2019
Time-ordered event rate data sorted into 12 rates x 64 energy bin arrays that are summed over multiple spins covering 2018-12-20.
2019-05-08
1.0
Initial Verion
2018-12-20T00:02:59.341Z
2018-12-21T00:00:50.960Z
Science
Calibrated
Magnetosphere
Particles
Ions
Plasma
Mars Atmosphere and Volatile EvolutioN Mission
Mission
urn:nasa:pds:context:investigation:mission.maven
data_to_investigation
MAVEN
Spacecraft
urn:nasa:pds:context:instrument_host:spacecraft.maven
is_instrument_host
STATIC
Instrument
urn:nasa:pds:context:instrument:static.maven
is_instrument
Mars
Planet
urn:nasa:pds:context:target:planet.mars
data_to_target
EM-3
3.922565926485799E13
3.923131315723599E13
project_name
MAVEN
M
spacecraft
0
0
data_name
XX YYY where XX is the APID and YYY is the array abbreviation (64e2m, 32e32m, etc.)
d
apid
Application Process Identifier (APID) for the packet from which the data are taken.
d
num_dists
Number of measurements or times in the file
675
nswp
Number of sweep tables; will increase over mission as new sweep modes are added
28
nrate
Number of rate channels - 12
12
time values
epoch
data_values_to_data_values
time_met
data_values_to_data_values
time_unix
data_values_to_data_values
urn:nasa:pds:maven.spice:spice_kernels:lsk_naif0012.tls::1.0
data_to_spice_kernel
This data file was processed using the SPICE leapsecond kernel: naif0012.tls.
urn:nasa:pds:maven.spice:spice_kernels:sclk_mvn_sclkscet_00066.tsc::1.0
data_to_spice_kernel
This data file was processed using the SPICE MAVEN SCLK kernel: MVN_SCLKSCET.00066.tsc.
mvn_sta_l2_d9-12r64e_20181220_v02_r05.cdf
2019-05-08T02:43:26
2188273
c61824e84c2b0431f59f1a180153e7b8
CDF Header
0
404
CDF 3.4 ISTP/IACG
TT2000
epoch
44562
1
Last Index Fastest
UTC time from 01-Jan-2000 12:00:00.000 (including leap seconds), stored as an integer in nanoseconds.
SignedMSB8
nanosec
epoch
675
1
-0.0
3.595796016651621E-222
2.2152726415982762E-279
Mission Elapsed Time
time_met
50466
1
Last Index Fastest
Mission elapsed time for this data record.
IEEE754MSBDouble
sec
epoch
675
1
-1.0E31
8.5587834E8
0.0
SPICE Ephemeris Time
time_ephemeris
56370
1
Last Index Fastest
Time used by SPICE program.
IEEE754MSBDouble
sec
epoch
675
1
-1.0E31
1.293883209183998E9
4.380048671839981E8
Unix Time
time_unix
62274
1
Last Index Fastest
Unix time (elapsed seconds since 1970-01-01/00:00 without leap seconds) for this data record. This time is the center time of data collection.
IEEE754MSBDouble
sec
epoch
675
1
-1.0E31
2.24061114E9
1.3847328E9
Interval start time (unix)
time_start
68178
1
Last Index Fastest
Unix time at the start of data collection. (NUM_DISTS elements)
IEEE754MSBDouble
sec
epoch
675
1
-1.0E31
2.24061114E9
1.3847328E9
Interval end time (unix)
time_end
74082
1
Last Index Fastest
Unix time at the end of data collection. (NUM_DISTS elements)
IEEE754MSBDouble
sec
epoch
675
1
-1.0E31
2.24061114E9
1.3847328E9
Integration time
integ_time
79986
1
Last Index Fastest
Integration time for rate in seconds. (NUM_DISTS elements).
IEEE754MSBDouble
epoch
675
1
-1.0E31
1.0E31
-1.0E31
Valid flag
valid
85884
1
Last Index Fastest
Validity flag codes valid data (bit 0), test pulser on (bit 1), diagnostic mode (bit 2), data compression type (bit 3-4), packet compression (bit 5) (NUM_DISTS elements)
SignedMSB2
epoch
675
1
-32768
32767
-32767
Eprom version
eprom_ver
87732
1
Last Index Fastest
An integer designating the flight EPROM version number that determines stored Real Time Sequence (RTS) commands and table loads that configure the STATIC instrument and determine energy and angle sweeps.
SignedMSB2
epoch
675
1
-32768
32767
-32767
Header
header
89582
1
Last Index Fastest
A long integer that consists of bytes 12-15 in data packet header. See MAVEN_PF_FSW_021_CTM.xls for definition of header bits. (NUM_DISTS elements)
SignedMSB4
epoch
675
1
-2147483648
2147483647
-2147483647
Mode number
mode
92780
1
Last Index Fastest
Decoded mode number: 1=ram, 2=conic, 3=pickup, 4=scan, 5=eclipse, 6=protect
SignedMSB2
epoch
675
1
-32768
32767
-32767
Telemetry rate number
rate
94628
1
Last Index Fastest
Decoded telemetry rate number. (NUM_DISTS elements)
SignedMSB2
epoch
675
1
-32768
32767
-32767
Sweep index
swp_ind
96476
1
Last Index Fastest
Index that identifies the energy and deflector sweep look up tables (LUT) for the sensor. SWP_IND is an index that selects the following support data arrays: ENERGY, DENERGY, THETA, DTHETA, PHI, DPHI, DOMEGA, GF and MASS_ARR. (NUM_DISTS elements), EN_IND Le NSWP
SignedMSB2
epoch
675
1
-32768
32767
-32767
Rates
rates
98342
3
Last Index Fastest
Rate data for the rate channels sorted by energy step with dimension (NUM_DISTS, NRATE, NENERGY) units=counts/s
IEEE754MSBSingle
1/sec
epoch
675
1
energy
64
2
rate_channel
12
3
-1.0E31
1.0E31
-1.0E31
Quality flag
quality_flag
2172440
1
Last Index Fastest
Quality flag: test pulser on (bit 0), diagnostic mode (bit 1), dead time correction greater than 2 flag (bit 2), detector droop correction greater than 2 flag (bit 3), dead time correction not at event time (bit 4), electrostatic attenuator problem (bit 5), attenuator change during accumulation (bit 6), mode change during accumulation (bit 7), LPW interference with data (bit 8), high background (bit 9), no background subtraction array (bit 10), missing spacecraft potential (bit 11), inflight calibration incomplete (bit 12), geometric factor problem (bit 13), ion suppression problem (bit 14), 0 (bit 15)
SignedMSB2
epoch
675
1
-32768
32767
-32767
energy
energy
2177328
2
Last Index Fastest
Energy array with dimension (NSWP, 64)
IEEE754MSBSingle
eV
energy
64
1
swp_index
28
2
-1.0E31
1.0E31
-1.0E31
U. APID da (1r) - 1 selected event rate at high resolution
This sample data product label is from the MAVEN STATIC Event Rate Selected Channel
Data Collection (LID = urn:nasa:pds:maven.static.c:data.da_1r). The sample label is for
the date 2018-12-20
urn:nasa:pds:maven.static.c:data.da_1r:mvn_sta_l2_da-1r64e_20181220
1.0
MAVEN STATIC Ion Spectra for 2018-12-20
1.4.0.0
Product_Observational
McFadden, J. P.
2019
Time-ordered event rate data from a selected rate channel covering 2018-12-20.
2019-05-08
1.0
Initial Verion
2018-12-20T00:00:05.341Z
2018-12-21T00:00:00.961Z
Science
Calibrated
Magnetosphere
Particles
Ions
Plasma
Mars Atmosphere and Volatile EvolutioN Mission
Mission
urn:nasa:pds:context:investigation:mission.maven
data_to_investigation
MAVEN
Spacecraft
urn:nasa:pds:context:instrument_host:spacecraft.maven
is_instrument_host
STATIC
Instrument
urn:nasa:pds:context:instrument:static.maven
is_instrument
Mars
Planet
urn:nasa:pds:context:target:planet.mars
data_to_target
EM-3
3.922564786161799E13
3.923130988045199E13
project_name
MAVEN
M
spacecraft
0
0
data_name
XX YYY where XX is the APID and YYY is the array abbreviation (64e2m, 32e32m, etc.)
d
apid
Application Process Identifier (APID) for the packet from which the data are taken.
d
num_dists
Number of measurements or times in the file
21600
nswp
Number of sweep tables; will increase over mission as new sweep modes are added
28
nrate
Number of rate channels - 12
1
time values
epoch
data_values_to_data_values
time_met
data_values_to_data_values
time_unix
data_values_to_data_values
urn:nasa:pds:maven.spice:spice_kernels:lsk_naif0012.tls::1.0
data_to_spice_kernel
This data file was processed using the SPICE leapsecond kernel: naif0012.tls.
urn:nasa:pds:maven.spice:spice_kernels:sclk_mvn_sclkscet_00066.tsc::1.0
data_to_spice_kernel
This data file was processed using the SPICE MAVEN SCLK kernel: MVN_SCLKSCET.00066.tsc.
mvn_sta_l2_da-1r64e_20181220_v02_r05.cdf
2019-05-08T02:43:31
7194837
211bba8a91e9df199f00726001693203
CDF Header
0
404
CDF 3.4 ISTP/IACG
TT2000
epoch
44838
1
Last Index Fastest
UTC time from 01-Jan-2000 12:00:00.000 (including leap seconds), stored as an integer in nanoseconds.
SignedMSB8
nanosec
epoch
21600
1
-0.0
3.595796016651621E-222
2.2152726415982762E-279
Mission Elapsed Time
time_met
218142
1
Last Index Fastest
Mission elapsed time for this data record.
IEEE754MSBDouble
sec
epoch
21600
1
-1.0E31
8.5587834E8
0.0
SPICE Ephemeris Time
time_ephemeris
391446
1
Last Index Fastest
Time used by SPICE program.
IEEE754MSBDouble
sec
epoch
21600
1
-1.0E31
1.293883209183998E9
4.380048671839981E8
Unix Time
time_unix
564750
1
Last Index Fastest
Unix time (elapsed seconds since 1970-01-01/00:00 without leap seconds) for this data record. This time is the center time of data collection.
IEEE754MSBDouble
sec
epoch
21600
1
-1.0E31
2.24061114E9
1.3847328E9
Interval start time (unix)
time_start
738054
1
Last Index Fastest
Unix time at the start of data collection. (NUM_DISTS elements)
IEEE754MSBDouble
sec
epoch
21600
1
-1.0E31
2.24061114E9
1.3847328E9
Interval end time (unix)
time_end
911358
1
Last Index Fastest
Unix time at the end of data collection. (NUM_DISTS elements)
IEEE754MSBDouble
sec
epoch
21600
1
-1.0E31
2.24061114E9
1.3847328E9
Integration time
integ_time
1084662
1
Last Index Fastest
Integration time for rate in seconds. (NUM_DISTS elements).
IEEE754MSBDouble
epoch
21600
1
-1.0E31
1.0E31
-1.0E31
Valid flag
valid
1257960
1
Last Index Fastest
Validity flag codes valid data (bit 0), test pulser on (bit 1), diagnostic mode (bit 2), data compression type (bit 3-4), packet compression (bit 5) (NUM_DISTS elements)
SignedMSB2
epoch
21600
1
-32768
32767
-32767
Eprom version
eprom_ver
1301658
1
Last Index Fastest
An integer designating the flight EPROM version number that determines stored Real Time Sequence (RTS) commands and table loads that configure the STATIC instrument and determine energy and angle sweeps.
SignedMSB2
epoch
21600
1
-32768
32767
-32767
Header
header
1345358
1
Last Index Fastest
A long integer that consists of bytes 12-15 in data packet header. See MAVEN_PF_FSW_021_CTM.xls for definition of header bits. (NUM_DISTS elements)
SignedMSB4
epoch
21600
1
-2147483648
2147483647
-2147483647
Mode number
mode
1432256
1
Last Index Fastest
Decoded mode number: 1=ram, 2=conic, 3=pickup, 4=scan, 5=eclipse, 6=protect
SignedMSB2
epoch
21600
1
-32768
32767
-32767
Telemetry rate number
rate
1475954
1
Last Index Fastest
Decoded telemetry rate number. (NUM_DISTS elements)
SignedMSB2
epoch
21600
1
-32768
32767
-32767
Sweep index
swp_ind
1519652
1
Last Index Fastest
Index that identifies the energy and deflector sweep look up tables (LUT) for the sensor. SWP_IND is an index that selects the following support data arrays: ENERGY, DENERGY, THETA, DTHETA, PHI, DPHI, DOMEGA, GF and MASS_ARR. (NUM_DISTS elements), EN_IND Le NSWP
SignedMSB2
epoch
21600
1
-32768
32767
-32767
Rates
rates
1563360
2
Last Index Fastest
Rate data for the rate channels sorted by energy step with dimension (NUM_DISTS, NRATE, NENERGY) units=counts/s
IEEE754MSBSingle
1/sec
epoch
21600
1
energy
64
2
-1.0E31
1.0E31
-1.0E31
Channel
rate_channel
7093458
1
Last Index Fastest
Rate Channel selected (0-11)
SignedMSB2
epoch
21600
1
-32768
32767
-32767
Quality flag
quality_flag
7137156
1
Last Index Fastest
Quality flag: test pulser on (bit 0), diagnostic mode (bit 1), dead time correction greater than 2 flag (bit 2), detector droop correction greater than 2 flag (bit 3), dead time correction not at event time (bit 4), electrostatic attenuator problem (bit 5), attenuator change during accumulation (bit 6), mode change during accumulation (bit 7), LPW interference with data (bit 8), high background (bit 9), no background subtraction array (bit 10), missing spacecraft potential (bit 11), inflight calibration incomplete (bit 12), geometric factor problem (bit 13), ion suppression problem (bit 14), 0 (bit 15)
SignedMSB2
epoch
21600
1
-32768
32767
-32767
energy
energy
7183892
2
Last Index Fastest
Energy array with dimension (NSWP, 64)
IEEE754MSBSingle
eV
energy
64
1
swp_index
28
2
-1.0E31
1.0E31
-1.0E31
V. APID db (1024tof) - 1024 bin mass histogram in counts
This sample data product label is from the MAVEN STATIC Raw Time-of-Flight Data Collection
(LID = urn:nasa:pds:maven.static.c:data.db_1024tof). The sample label is for the date
2018-12-20.
urn:nasa:pds:maven.static.c:data.db_1024tof:mvn_sta_l2_db-1024tof_20181220
1.0
MAVEN STATIC Ion Spectra for 2018-12-20
1.4.0.0
Product_Observational
McFadden, J. P.
2019
Time-ordered time-of-flight (TOF) raw data covering 2018-12-20.
2019-05-08
1.0
Initial Verion
2018-12-20T00:00:05.341Z
2018-12-21T00:00:00.960Z
Science
Calibrated
Magnetosphere
Particles
Ions
Plasma
Mars Atmosphere and Volatile EvolutioN Mission
Mission
urn:nasa:pds:context:investigation:mission.maven
data_to_investigation
MAVEN
Spacecraft
urn:nasa:pds:context:instrument_host:spacecraft.maven
is_instrument_host
STATIC
Instrument
urn:nasa:pds:context:instrument:static.maven
is_instrument
Mars
Planet
urn:nasa:pds:context:target:planet.mars
data_to_target
EM-3
3.922564786163899E13
3.923130988043399E13
project_name
MAVEN
M
spacecraft
0
0
data_name
XX YYY where XX is the APID and YYY is the array abbreviation (64e2m, 32e32m, etc.)
d
apid
Application Process Identifier (APID) for the packet from which the data are taken.
d
num_dists
Number of measurements or times in the file
21600
nswp
Number of sweep tables; will increase over mission as new sweep modes are added
28
ntof
Number of TOF channels - 1024
1024
Data
Accumulated events binned into 1024 time-of-flight channels with dimension (NUM_DISTS, 1024) units=counts
data
particle_observation_to_observation_values
energy
particle_observation_to_aligned_values
denergy
particle_observation_to_aligned_values
theta
particle_observation_to_aligned_values
dtheta
particle_observation_to_aligned_values
phi
particle_observation_to_aligned_values
dphi
particle_observation_to_aligned_values
domega
particle_observation_to_aligned_values
gf
particle_observation_to_aligned_values
eff
particle_observation_to_aligned_values
mass_arr
particle_observation_to_aligned_values
tof_arr
particle_observation_to_aligned_values
twt_arr
particle_observation_to_aligned_values
time values
epoch
data_values_to_data_values
time_met
data_values_to_data_values
time_unix
data_values_to_data_values
urn:nasa:pds:maven.spice:spice_kernels:lsk_naif0012.tls::1.0
data_to_spice_kernel
This data file was processed using the SPICE leapsecond kernel: naif0012.tls.
urn:nasa:pds:maven.spice:spice_kernels:sclk_mvn_sclkscet_00066.tsc::1.0
data_to_spice_kernel
This data file was processed using the SPICE MAVEN SCLK kernel: MVN_SCLKSCET.00066.tsc.
mvn_sta_l2_db-1024tof_20181220_v02_r05.cdf
2019-05-08T02:44:09
90102401
5740f2f28cee7165b5c13a65616e4edd
CDF Header
0
404
CDF 3.4 ISTP/IACG
TT2000
epoch
43094
1
Last Index Fastest
UTC time from 01-Jan-2000 12:00:00.000 (including leap seconds), stored as an integer in nanoseconds.
SignedMSB8
nanosec
epoch
21600
1
-0.0
3.595796016651621E-222
2.2152726415982762E-279
Mission Elapsed Time
time_met
216398
1
Last Index Fastest
Mission elapsed time for this data record.
IEEE754MSBDouble
sec
epoch
21600
1
-1.0E31
8.5587834E8
0.0
SPICE Ephemeris Time
time_ephemeris
389702
1
Last Index Fastest
Time used by SPICE program.
IEEE754MSBDouble
sec
epoch
21600
1
-1.0E31
1.293883209183998E9
4.380048671839981E8
Unix Time
time_unix
563006
1
Last Index Fastest
Unix time (elapsed seconds since 1970-01-01/00:00 without leap seconds) for this data record. This time is the center time of data collection.
IEEE754MSBDouble
sec
epoch
21600
1
-1.0E31
2.24061114E9
1.3847328E9
Interval start time (unix)
time_start
736310
1
Last Index Fastest
Unix time at the start of data collection. (NUM_DISTS elements)
IEEE754MSBDouble
sec
epoch
21600
1
-1.0E31
2.24061114E9
1.3847328E9
Interval end time (unix)
time_end
909614
1
Last Index Fastest
Unix time at the end of data collection. (NUM_DISTS elements)
IEEE754MSBDouble
sec
epoch
21600
1
-1.0E31
2.24061114E9
1.3847328E9
Integration time
integ_time
1082918
1
Last Index Fastest
Integration time for TOF accumulation. (NUM_DISTS elements).
IEEE754MSBDouble
epoch
21600
1
-1.0E31
1.0E31
-1.0E31
Eprom version
eprom_ver
1256216
1
Last Index Fastest
An integer designating the flight EPROM version number that determines stored Real Time Sequence (RTS) commands and table loads that configure the STATIC instrument and determine energy and angle sweeps.
SignedMSB2
epoch
21600
1
-32768
32767
-32767
Header
header
1299916
1
Last Index Fastest
A long integer that consists of bytes 12-15 in data packet header. See MAVEN_PF_FSW_021_CTM.xls for definition of header bits. (NUM_DISTS elements)
SignedMSB4
epoch
21600
1
-2147483648
2147483647
-2147483647
Valid flag
valid
1386814
1
Last Index Fastest
Validity flag codes valid data (bit 0), test pulser on (bit 1), diagnostic mode (bit 2), data compression type (bit 3-4), packet compression (bit 5) (NUM_DISTS elements)
SignedMSB2
epoch
21600
1
-32768
32767
-32767
Mode number
mode
1430512
1
Last Index Fastest
Decoded mode number: 1=ram, 2=conic, 3=pickup, 4=scan, 5=eclipse, 6=protect
SignedMSB2
epoch
21600
1
-32768
32767
-32767
Telemetry rate number
rate
1474210
1
Last Index Fastest
Decoded telemetry rate number. (NUM_DISTS elements)
SignedMSB2
epoch
21600
1
-32768
32767
-32767
Sweep index
swp_ind
1517908
1
Last Index Fastest
Index that identifies the energy and deflector sweep look up tables (LUT) for the sensor. SWP_IND is an index that selects the following support data arrays: ENERGY, DENERGY, THETA, DTHETA, PHI, DPHI, DOMEGA, GF and MASS_ARR. (NUM_DISTS elements), EN_IND Le NSWP
SignedMSB2
epoch
21600
1
-32768
32767
-32767
Data
data
1561616
2
Last Index Fastest
Accumulated events binned into 1024 time-of-flight channels with dimension (NUM_DISTS, 1024) units=counts
IEEE754MSBSingle
counts
epoch
21600
1
tof_channel
1024
2
-1.0E31
1.0E31
-1.0E31
Quality flag
quality_flag
90035714
1
Last Index Fastest
Quality flag: test pulser on (bit 0), diagnostic mode (bit 1), dead time correction greater than 2 flag (bit 2), detector droop correction greater than 2 flag (bit 3), dead time correction not at event time (bit 4), electrostatic attenuator problem (bit 5), attenuator change during accumulation (bit 6), mode change during accumulation (bit 7), LPW interference with data (bit 8), high background (bit 9), no background subtraction array (bit 10), missing spacecraft potential (bit 11), inflight calibration incomplete (bit 12), geometric factor problem (bit 13), ion suppression problem (bit 14), 0 (bit 15)
SignedMSB2
epoch
21600
1
-32768
32767
-32767
energy
energy
90082450
2
Last Index Fastest
Energy array with dimension (NSWP, 64)
IEEE754MSBSingle
energy
64
1
swp_index
28
2
-1.0E31
1.0E31
-1.0E31
tof
tof
90090626
1
Last Index Fastest
Time of flight value for each TOF bin in nanoseconds. (1024 elements)
IEEE754MSBSingle
nanosec
tof_channel
1024
1
-1.0E31
1.0E31
-1.0E31