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<Product_Observational
   xmlns="http://pds.nasa.gov/pds4/pds/v1"
   xmlns:particle="http://pds.nasa.gov/pds4/particle/v2"
   xmlns:msn="http://pds.nasa.gov/pds4/msn/v1"
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     ">
    <Identification_Area>
        <logical_identifier>urn:nasa:pds:mess-epps-fips-derived:data-nobs:fips_nobs_2013055_ddr_v03</logical_identifier>
        <version_id>1.2</version_id>
        <title>MESSENGER EPPS FIPS Derived Observed Density Data for 2013-02-24</title>
        <information_model_version>1.25.0.0</information_model_version>
        <product_class>Product_Observational</product_class>
        <Citation_Information>
            <publication_year>2016</publication_year>
            <description>This table contains FIPS differential 
    energy intensities for selected ion species.</description>
            <List_Author>
                <Person>
                    <given_name>Jim M.</given_name>
                    <family_name>Raines</family_name>
                    <person_orcid>https://orcid.org/0000-0001-9789-379</person_orcid>
                    <Affiliation>
                        <organization_name>University of Michigan</organization_name>
                        <organization_rorid>https://ror.org/00jmfr291</organization_rorid>
                        <sequence_number>1</sequence_number>
                    </Affiliation>
                </Person>
            </List_Author>
        </Citation_Information>
        <Modification_History>
            <Modification_Detail>
                <modification_date>2026-01-14</modification_date>
                <version_id>1.2</version_id>
                <description>This product, FIPS_NOBS_2013055_DDR_V03, was originally released as part
                    of the PDS3 MESS-E/V/H/SW-EPPS-3-FIPS-DDR-V1.0 data set. The metadata 
                    have been migrated to PDS4. The data themselves are unchanged.</description>
            </Modification_Detail>
        </Modification_History>
    </Identification_Area>
    <Observation_Area>
        <Time_Coordinates>
            <start_date_time>2013-02-24T00:00:13.270Z</start_date_time>
            <stop_date_time>2013-02-24T23:59:44.272Z</stop_date_time>
        </Time_Coordinates>
        <Primary_Result_Summary>
            <purpose>Science</purpose>
            <processing_level>Derived</processing_level>
            <Science_Facets>
                <domain>Heliosphere</domain>
                <domain>Magnetosphere</domain>
                <discipline_name>Particles</discipline_name>
                <facet1>Ions</facet1>
                <facet2>Energetic</facet2>
            </Science_Facets>
        </Primary_Result_Summary>
        <Investigation_Area>
            <name>MESSENGER</name>
            <type>Mission</type>
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                <reference_type>data_to_investigation</reference_type>
            </Internal_Reference>
        </Investigation_Area>
        <Observing_System>
            <Observing_System_Component>
                <name>MESSENGER</name>
                <type>Host</type>
                <Internal_Reference>
                    <lid_reference>urn:nasa:pds:context:instrument_host:spacecraft.mess</lid_reference>
                    <reference_type>is_instrument_host</reference_type>
                </Internal_Reference>
            </Observing_System_Component>
            <Observing_System_Component>
                <name>EPPS Fast Imaging Plasma Spectrometer</name>
                <type>Instrument</type>
                <Internal_Reference>
                    <lid_reference>urn:nasa:pds:context:instrument:epps-fips.mess</lid_reference>
                    <reference_type>is_instrument</reference_type>
                </Internal_Reference>
            </Observing_System_Component>
        </Observing_System>
        <Target_Identification>
            <name>Solar Wind</name>
            <type>Plasma Stream</type>
            <Internal_Reference>
                <lid_reference>urn:nasa:pds:context:target:plasma_stream.solar_wind</lid_reference>
                <reference_type>data_to_target</reference_type>
            </Internal_Reference>
        </Target_Identification>
        <Target_Identification>
            <name>Mercury</name>
            <type>Planet</type>
            <Internal_Reference>
                <lid_reference>urn:nasa:pds:context:target:planet.mercury</lid_reference>
                <reference_type>data_to_target</reference_type>
            </Internal_Reference>
        </Target_Identification>
        <Discipline_Area>
            <msn:Mission_Information>
                <msn:mission_phase_name>Mercury Orbit Year 2</msn:mission_phase_name>
                <msn:spacecraft_clock_start>3988013.000</msn:spacecraft_clock_start>                
                <msn:spacecraft_clock_stop>4074384.000</msn:spacecraft_clock_stop>
                <msn:spacecraft_clock_partition>2</msn:spacecraft_clock_partition>
            </msn:Mission_Information>
            <particle:Particle_Observation>
                <particle:energy_range_minimum unit="eV">50</particle:energy_range_minimum>
                <particle:energy_range_maximum unit="keV">20</particle:energy_range_maximum>
                <particle:Particle_Parameter>
                    <particle:particle_type>Ions</particle:particle_type>
                    <particle:particle_measurement_type>Density</particle:particle_measurement_type>
                    <particle:ion_type>Proton</particle:ion_type>
                </particle:Particle_Parameter>
            </particle:Particle_Observation>
            <particle:Particle_Observation>
                <particle:energy_range_minimum unit="eV">50</particle:energy_range_minimum>
                <particle:energy_range_maximum unit="keV">20</particle:energy_range_maximum>
                <particle:Particle_Parameter>
                    <particle:particle_type>Ions</particle:particle_type>
                    <particle:particle_measurement_type>Density</particle:particle_measurement_type>
                    <particle:ion_type>Alpha</particle:ion_type>
                </particle:Particle_Parameter>
            </particle:Particle_Observation>
            <particle:Particle_Observation>
                <particle:energy_range_minimum unit="eV">50</particle:energy_range_minimum>
                <particle:energy_range_maximum unit="keV">20</particle:energy_range_maximum>
                <particle:Particle_Parameter>
                    <particle:particle_type>Ions</particle:particle_type>
                    <particle:particle_measurement_type>Density</particle:particle_measurement_type>
                    <particle:ion_type>Heavy</particle:ion_type>
                </particle:Particle_Parameter>
            </particle:Particle_Observation>
        </Discipline_Area>
    </Observation_Area>
    <Reference_List>
        <Internal_Reference>
            <lid_reference>urn:nasa:pds:mess-epps-fips-derived:document:dataset</lid_reference>
            <reference_type>data_to_document</reference_type>
        </Internal_Reference>
        <Source_Product_External>
            <external_source_product_identifier>MESS-E/V/H/SW-EPPS-3-FIPS-DDR-V2.0:FIPS_NOBS_2013055_DDR_V03:FIPS_NOBS_2013055_DDR_V03.TAB</external_source_product_identifier>
            <reference_type>data_to_derived_source_product</reference_type>
            <doi>10.17189/1519743</doi>
            <curating_facility>PDS Planetary Plasma Interactions Node</curating_facility>
            <description>The DOI provided references the PDS3 source data set.</description>
        </Source_Product_External>
    </Reference_List>
    <File_Area_Observational>
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            <file_name>FIPS_NOBS_2013055_DDR_V03.TAB</file_name>
            <creation_date_time>2016-01-22T20:34:28.000Z</creation_date_time>
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            <md5_checksum>99bc9adebd2dc4f627a2166f2b7272df</md5_checksum>
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            <object_length unit="byte">864</object_length>
            <parsing_standard_id>PDS DSV 1</parsing_standard_id>
            <description>The first three records of this 
    file are the header section. The header contains column 
    headings to improve usability.</description>
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                    <field_location unit="byte">1</field_location>
                    <data_type>ASCII_Integer</data_type>
                    <field_length unit="byte">7</field_length>
                    <description>Unique identifier for the current data sample.</description>
                </Field_Character>
                <Field_Character> 
                    <name>MET</name>
                    <field_number>2</field_number>
                    <field_location unit="byte">9</field_location>
                    <data_type>ASCII_Real</data_type>
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                    <unit>SECOND</unit>
                    <description>Mission Elapsed Time at the end of the accumulation.</description>
                </Field_Character>
                <Field_Character> 
                    <name>ACCUM</name>
                    <field_number>3</field_number>
                    <field_location unit="byte">24</field_location>
                    <data_type>ASCII_Real</data_type>
                    <field_length unit="byte">7</field_length>
                    <unit>SECOND</unit>
                    <description>Accumulation time for the current data sample.</description>
                </Field_Character>
                <Field_Character> 
                    <name>YFR</name>
                    <field_number>4</field_number>
                    <field_location unit="byte">32</field_location>
                    <data_type>ASCII_Real</data_type>
                    <field_length unit="byte">15</field_length>
                    <description>Time at the end of the accumulation in floating point
                    year.</description>
                </Field_Character>
                <Field_Character> 
                    <name>DOYFR</name>
                    <field_number>5</field_number>
                    <field_location unit="byte">48</field_location>
                    <data_type>ASCII_Real</data_type>
                    <field_length unit="byte">8</field_length>
                    <description>Time at the end of the accumulation in floating point
                    day-of-year.</description>
                </Field_Character>
                <Field_Character> 
                    <name>HOURS</name>
                    <field_number>6</field_number>
                    <field_location unit="byte">57</field_location>
                    <data_type>ASCII_Integer</data_type>
                    <field_length unit="byte">5</field_length>
                    <description>Hour at the end of the accumulation.</description>
                </Field_Character>
                <Field_Character> 
                    <name>MINUTES</name>
                    <field_number>7</field_number>
                    <field_location unit="byte">63</field_location>
                    <data_type>ASCII_Integer</data_type>
                    <field_length unit="byte">7</field_length>
                    <description>Minute at the end of the accumulation.</description>
                </Field_Character>
                <Field_Character> 
                    <name>SECONDS</name>
                    <field_number>8</field_number>
                    <field_location unit="byte">71</field_location>
                    <data_type>ASCII_Real</data_type>
                    <field_length unit="byte">7</field_length>
                    <description>Second at the end of the accumulation.</description>
                </Field_Character>
                <Field_Character> 
                    <name>MSOX</name>
                    <field_number>9</field_number>
                    <field_location unit="byte">79</field_location>
                    <data_type>ASCII_Real</data_type>
                    <field_length unit="byte">10</field_length>
                    <description>MESSENGER X-coordinate in MSGR_MSO frame in Km</description>
                </Field_Character>
                <Field_Character> 
                    <name>MSOY</name>
                    <field_number>10</field_number>
                    <field_location unit="byte">90</field_location>
                    <data_type>ASCII_Real</data_type>
                    <field_length unit="byte">10</field_length>
                    <description>MESSENGER Y-coordinate in MSGR_MSO frame in Km</description>
                </Field_Character>
                <Field_Character> 
                    <name>MSOZ</name>
                    <field_number>11</field_number>
                    <field_location unit="byte">101</field_location>
                    <data_type>ASCII_Real</data_type>
                    <field_length unit="byte">10</field_length>
                    <description>MESSENGER Z-coordinate in MSGR_MSO frame in Km</description>
                </Field_Character>
                <Field_Character> 
                    <name>LAT</name>
                    <field_number>12</field_number>
                    <field_location unit="byte">112</field_location>
                    <data_type>ASCII_Real</data_type>
                    <field_length unit="byte">6</field_length>
                    <description>MESSENGER position in Mercury latitude in degrees</description>
                </Field_Character>
                <Field_Character> 
                    <name>MLT</name>
                    <field_number>13</field_number>
                    <field_location unit="byte">119</field_location>
                    <data_type>ASCII_Real</data_type>
                    <field_length unit="byte">6</field_length>
                    <description>MESSENGER position in magnetic local time in hour
                    fraction</description>
                </Field_Character>
                <Field_Character> 
                    <name>ALT</name>
                    <field_number>14</field_number>
                    <field_location unit="byte">126</field_location>
                    <data_type>ASCII_Real</data_type>
                    <field_length unit="byte">9</field_length>
                    <description>MESSENGER altitude in Km</description>
                </Field_Character>
                <Field_Character> 
                    <name>H</name>
                    <field_number>15</field_number>
                    <field_location unit="byte">136</field_location>
                    <data_type>ASCII_Real</data_type>
                    <field_length unit="byte">14</field_length>
                    <description>H+ observed density in cm^-3.</description>
                </Field_Character>
                <Field_Character> 
                    <name>HE2</name>
                    <field_number>16</field_number>
                    <field_location unit="byte">151</field_location>
                    <data_type>ASCII_Real</data_type>
                    <field_length unit="byte">14</field_length>
                    <description>He2+ observed density in cm^-3.</description>
                </Field_Character>
                <Field_Character> 
                    <name>HE</name>
                    <field_number>17</field_number>
                    <field_location unit="byte">166</field_location>
                    <data_type>ASCII_Real</data_type>
                    <field_length unit="byte">14</field_length>
                    <description>He+ observed density in cm^-3.</description>
                </Field_Character>
                <Field_Character> 
                    <name>NA</name>
                    <field_number>18</field_number>
                    <field_location unit="byte">181</field_location>
                    <data_type>ASCII_Real</data_type>
                    <field_length unit="byte">14</field_length>
                    <description>Na+ group observed density in cm^-3.</description>
                </Field_Character>
                <Field_Character> 
                    <name>O</name>
                    <field_number>19</field_number>
                    <field_location unit="byte">196</field_location>
                    <data_type>ASCII_Real</data_type>
                    <field_length unit="byte">14</field_length>
                    <description>O+ group observed density in cm^-3.</description>
                </Field_Character>
                <Field_Character> 
                    <name>QUAL</name>
                    <field_number>20</field_number>
                    <field_location unit="byte">211</field_location>
                    <data_type>ASCII_Integer</data_type>
                    <field_length unit="byte">4</field_length>
                    <description>Data quality flag. 0 = GOOD, 1 = BAD</description>
                </Field_Character>
            </Record_Character>
        </Table_Character>
    </File_Area_Observational>
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