Mars Atmosphere and Volatile EvolutioN (MAVEN)
Solar Wind Ion Analyzer (SWIA)
Calibrated PDS Archive Bundle
LID = urn:nasa:pds:maven.swia.calibrated
Bundle Description
==================
Overview
--------
The MAVEN SWIA calibrated PDS archive bundle contains fully calibrated SWIA
data, including ion velocity distributions, energy spectra, and density,
temperature, and velocity moments from onboard calculations. The data files
include tables of sensitivity and energy/angle maps are included. Data consist
of Coarse and Fine resolution 3d distributions and energy spectra and moments
from onboard computations. The Coarse and Fine resolution data come in two
forms, termed "Survey" and "Archive" The Survey data nominally represents data
with lower resolution (time, angle, and/or energy) but complete temporal
coverage. The Archive data nominally represents data with higher resolution
(time, angle, and/or energy), but incomplete temporal coverage, selected by
ground command to provide better characterization of "interesting" time
periods, based on human selection of time intervals using the Survey data.
Version History
---------------
Bundle Modification
Version Date Description
------- ------------ ---------------------------------------------------
1.0 2015-05-29 MAVEN Release 1 (2015-06-05)
1.1 2015-08-11 MAVEN Release 2 (2015-08-17)
1.2 2015-11-16 MAVEN Release 3 (2015-11-16)
1.3 2016-02-11 MAVEN Release 4 (2016-02-15)
1.4 2016-05-16 MAVEN Release 5 (2016-05-16). Consists of an incremental
release of SWIA calibrated data. Coverage is 2014-03-19
to 2016-02-14.
1.5 2016-08-15 MAVEN Release 6 (2016-08-15). Consists of an incremental
release of SWIA calibrated data. Coverage is 2014-03-19
to 2016-05-14.
1.6 2016-11-15 MAVEN Release 7 (2016-11-15). Consists of an incremental
release of SWIA calibrated data. Coverage is 2016-05-15
to 2016-08-14.
1.7 2017-02-13 MAVEN Release 8 (2017-02-15). Consists of an incremental
release of SWIA calibrated data. Coverage is 2016-08-15
to 2016-11-14.
1.8 2017-05-15 MAVEN Release 9 (2017-05-15). Consists of an incremental
release of SWIA calibrated data. Coverage is 2016-11-15
to 2017-02-14.
1.9 2017-08-09 This version included corrections to a 1 second timing error
in the data following the leap second at 2016-12-31T23:59:60
UTC. Coverage is the same as for version 1.8.
1.10 2017-08-10 MAVEN Release 10 (2017-08-15). Consists of an incremental
release of SWIA calibrated data, including the initial
release of 2017-02-15 to 2017-05-14.
1.11 2017-11-13 MAVEN Release 11 (2017-11-15). Consists of an incremental
release of SWIA calibrated data, including the initial
release of 2017-05-15 to 2017-08-14.
1.12 2018-02-08 MAVEN Release 12 (2018-02-15). Consists of an incremental
release of SWIA calibrated data, including the initial
release of 2017-08-15 to 2017-11-14.
1.13 2018-05-02 MAVEN Release 13 (2018-05-15). Consists of an incremental
release of SWIA calibrated data, including the initial
release of 2017-11-15 to 2018-02-14.
1.14 2018-08-09 MAVEN Release 14 (2018-08-15). Consists of an incremental
release of SWIA calibrated data, including the initial
release of 2018-02-15 to 2018-05-14.
1.15 2018-11-14 MAVEN Release 15 (2018-11-15). Consists of an incremental
release of SWIA calibrated data, including the initial
release of 2018-05-15 to 2018-08-14.
1.16 2019-02-14 MAVEN Release 16 (2019-02-15). Consists of an incremental
release of SWIA calibrated data, including the initial
release of 2018-08-15 to 2018-11-14.
1.17 2019-05-13 MAVEN Release 17 (2019-05-15). Consists of an incremental
release of SWIA calibrated data, including the initial
release of 2018-11-15 to 2019-02-14.
1.18 2019-08-09 MAVEN Release 18 (2019-08-15). Consists of an incremental
release of SWIA calibrated data, including the initial
release of 2019-02-15 to 2019-05-14.
1.19 2019-11-04 MAVEN Release 19 (2019-11-15). Consists of an incremental
release of SWIA calibrated data, including the initial
release of 2019-05-15 to 2019-08-14.
1.20 2020-02-12 MAVEN Release 20 (2020-02-15). Consists of an incremental
release of SWIA calibrated data, including the initial
release of 2019-08-15 to 2019-11-14.
1.21 2020-05-21 MAVEN Release 21. Consists of an incremental release of
SWIA calibrated data, including the initial release of
2019-11-15 to 2020-02-14.
1.22 2020-08-12 MAVEN Release 22. Consists of an incremental release of
SWIA calibrated data, including the initial release of
2020-02-15 to 2020-05-14.
1.23 2020-11-12 MAVEN Release 23. Consists of an incremental release of
SWIA calibrated data, including the initial release of
2020-05-15 to 2020-08-14.
1.24 2021-02-11 MAVEN Release 24. Consists of an incremental release of
SWIA calibrated data, including the initial release of
2020-08-15 to 2020-11-14.
1.25 2021-05-14 MAVEN Release 25. Consists of an incremental release of
SWIA calibrated data, including the initial release of
2020-11-15 to 2021-02-14.
1.26 2021-08-13 MAVEN Release 26. Consists of an incremental release of
SWIA calibrated data, including the initial release of
2021-02-15 to 2021-05-14.
1.27 2021-11-10 MAVEN Release 27. Consists of an incremental release of
SWIA calibrated data, including the initial release of
2021-05-15 to 2021-08-14.
1.28 2022-02-11 MAVEN Release 28. Consists of an incremental release of
SWIA calibrated data, including the initial release of
2021-08-15 to 2021-11-14.
2.0 2022-05-06 MAVEN Release 29. Consists of a full redelivery of SWIA
calibrated data, including new versions of all data through
2021-11-14 and the initial release of data from 2021-11-15
to 2022-02-22. These data have been processed using an updated
absolute sensitivity calibration. The absolute sensitivity
calibration was changed thanks to an improved
cross-calibration with other MAVEN instruments. This results
in an increase in all fluxes, densities, and pressures by a
constant factor, but no change in velocities, energies, or
temperatures.
2.1 2022-08-10 MAVEN Release 30. Consists of an incremental release of
SWIA calibrated data, including the initial release of
2022-02-23 to 2022-05-14 and (for some collections) of
2022-02-22.
2.2 2022-11-16 MAVEN Release 31. Consists of an incremental release of
SWIA calibrated data, including the initial release of
2022-05-15 to 2022-08-15.
2.3 2023-02-11 MAVEN Release 32. Consists of an incremental release of
SWIA calibrated data, including the initial release of
2022-08-16 to 2022-11-14 and a re-release of 2022-08-15.
2.4 2023-05-17 MAVEN Release 33. Consists of an incremental release of
SWIA calibrated data, including the initial release of
2022-11-15 to 2023-02-14.
2.5 2023-08-14 MAVEN Release 34. Consists of an incremental release of
SWIA calibrated data, including the initial release of
2023-02-15 to 2023-05-14.
2.6 2023-11-16 MAVEN Release 35. Consists of an incremental release of
SWIA calibrated data, including the initial release of
2023-05-15 to 2023-08-14.
2.7 2024-02-15 MAVEN Release 36. Consists of an incremental release of
SWIA calibrated data, including the initial release of
2023-08-15 to 2023-11-14.
Data Processing Notes
=====================
Data Timing Uncertainty
-----------------------
Some of the data files in this bundle may extend beyond the time for which the
Spacecraft Clock (SCLK) drift rate was defined based upon the SPICE MAVEN SCLK
kernel used to process them. As a result the SCLK drift rate may have been
predicted, resulting in small errors in the time (typically less than a few
1/100's seconds). Where this may be the case a note has been included in the
individual PDS product labels.
The arrays in some of the data files may contain occasional values that exceed
the valid maximum value for that array.
Bundle Contents
===============
Collections
-----------
This bundle includes the following collections:
* Coarse Survey 3D - Full 3D ion distributions in units of differential
energy flux from SWIA coarse survey data
(LID = urn:nasa:pds:maven.swia.calibrated:data.coarse_svy_3d)
* Coarse Archive 3D - Full 3d ion distributions in units of differential
energy flux from SWIA coarse archive data
(LID = urn:nasa:pds:maven.swia.calibrated:data.coarse_arc_3d)
* Fine Survey 3D - Full 3d ion distributions in units of differential
energy flux from SWIA fine survey data
(LID = urn:nasa:pds:maven.swia.calibrated:data.fine_svy_3d)
* Fine Archive 3D - Full 3d ion distributions in units of differential
energy flux from SWIA fine archive data
(LID = urn:nasa:pds:maven.swia.calibrated:data.fine_arc_3d)
* Onboard Survey Moments - Ion density, temperature, and velocity moments
in physical units and coordinates calculated onboard from SWIA coarse or
fine data (depending on mode)
(LID = urn:nasa:pds:maven.swia.calibrated:data.onboard_svy_mom)
* Onboard Survey Spectra - Ion energy spectra in units of differential
energy flux calculated onboard from SWIA coarse data
(LID = urn:nasa:pds:maven.swia.calibrated:data.onboard_svy_spec)
Data File Naming
----------------
Data files in this bundle are named according to the following convention:
mvn_swi_l2_❮desc❯_❮yyyy❯❮mm❯❮dd❯_v❮xx❯_r❮yy❯.cdf
where:
❮desc❯ = A descriptor used to identify the data file type
❮yyyy❯ = 4-digit year of data coverage date
❮mm❯ = 2-digit month of year of data coverage date
❮dd❯ = 2-digit day of month of data coverage date
❮xx❯ = 2-digit software version
❮yy❯ = 2-digit data file version under the specified software version
Key Documents
=============
Halekas, J.S., MAVEN SWIA PDS Archive SIS - This document contains a description
of the MAVEN SWIA Calibrated PDS Archive bundle oganization and data product
structure and contents. It is located in the document collection for this
bundle (LID = urn:nasa:pds:maven.swia.calibrated:document).
Contacts
========
This volume was produced for the Planetary Data System (PDS) at the Planetary
Plasma Interactions (PPI) node at the University of California, Los Angeles
(UCLA). The data files were generated by Dr. Jasper Halekas at the University
of Iowa. The data were delivered to the PPI node via the MAVEN Science Data
Center (SDC) located at the Laboratory for Atmospheric and Space Physics (LASP)
in Boulder, Colorado. The PDS metadata were generated at the PPI node.
For questions regarding this archive, please contact Mr. Joseph Mafi at the PDS
PPI Node:
Email jmafi@igpp.ucla.edu
Telephone 310-206-6073
For question regarding the data, please contact Dr. Jasper Halekas:
Internet jasper-halekas@uiowa.edu
Telephone (319) 335-1929
For questions regarding PDS Standards or other archives available from the
PDS, please contact PDS Operator at the PDS Engineering Node (at JPL):
Email pds_operator@jpl.nasa.gov
Telephone 818-354-4321
The PDS assumes no legal liability for errors on this archive. All users are
encouraged to verify the correctness of the data prior to submitting any
publications or other work based on these data. Please report errors on this
archive to the PPI of the PDS through contact information provided above.
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