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      <title>MAVEN EUV Derived Occultations Data Collection</title>
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      <Citation_Information>
         <author_list>Thiemann, Edward ; Eparvier, Francis; Jones, Nicholas; Borelli, Rita</author_list>
         <publication_year>2026</publication_year>
         <doi>10.17189/we7s-6v50</doi>
         <description>
            MAVEN EUV derived. These are the L4 atmospheric number density 
            (in cm-3) and temperature (in K) measured at the tangent point 
            of the  MAVEN-Sun line and Mars atmosphere.
         </description>
      </Citation_Information>
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         <Modification_Detail>
            <modification_date>2026-11-02</modification_date>
            <version_id>3.2</version_id>
            <description>
               Updated data field description from “East Longitude” 
               to “West Longitude” to reflect the actual data. No 
               changes to the actual data field or data has been made. 
               Changes only apply to the .xml files.
            </description>
         </Modification_Detail>
         <Modification_Detail>
            <modification_date>2026-06-17</modification_date>
            <version_id>3.1</version_id>
            <description>
               First release of data from 2025-11-25 and 2025-12-01
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         </Modification_Detail>
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            <modification_date>2026-03-06</modification_date>
            <version_id>3.0</version_id>
            <description>
               First release of data from 2025-10-01 to 2025-11-13
               and redelivery of data from 2014-11-17 to 2025-08-07.
            </description>
         </Modification_Detail>
         <Modification_Detail>
            <modification_date>2025-12-09</modification_date>
            <version_id>2.1</version_id>
            <description>
               First release of data from 2025-02-15 to 2025-08-07.
            </description>
         </Modification_Detail>
         <Modification_Detail>
            <modification_date>2025-06-04</modification_date>
            <version_id>2.0</version_id>
            <description>
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               from 2024-08-22 to 2024-10-23.
            </description>
         </Modification_Detail>
         <Modification_Detail>
            <modification_date>2025-02-28</modification_date>
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         <stop_date_time>2025-12-02T17:10:34.375Z</stop_date_time>
      </Time_Coordinates>
      <Primary_Result_Summary>
         <purpose>Science</purpose>
         <processing_level>Derived</processing_level>
         <Science_Facets>
            <domain>Atmosphere</domain>
            <discipline_name>Atmospheres</discipline_name>
            <facet1>Structure</facet1>
         </Science_Facets>
      </Primary_Result_Summary>
      <Investigation_Area>
         <name>Mars Atmosphere and Volatile EvolutioN</name>
         <type>Mission</type>
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            <type>Host</type>   
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         </Observing_System_Component>
         <Observing_System_Component>
            <name>Extreme Ultraviolet Monitor</name>
            <type>Instrument</type>   
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      </Observing_System>
      <Target_Identification>
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         <type>Planet</type>
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            <mvn:mission_phase_name>EM-2</mvn:mission_phase_name>
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            <mvn:mission_phase_name>EM-4</mvn:mission_phase_name>
            <mvn:mission_phase_name>EM-6</mvn:mission_phase_name>
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      </Mission_Area>
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        </Reference_List>
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         MAVEN EUV derived. These are the L4 atmospheric number density 
         (in cm-3) and temperature (in K) measured at the tangent point 
         of the  MAVEN-Sun line and Mars atmosphere.
      </description>
   </Collection>
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