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  <Version>2.4.0</Version>
  <NumericalData>
    <ResourceID>spase://CNES/NumericalData/CDPP-Archive/Cluster-4/Ephemeris/CLU_C4_ORBIT_GSE</ResourceID>
    <ResourceHeader>
      <ResourceName>Cluster 4 orbit data (GSE frame, 1 min resolution)</ResourceName>
      <DOI>https://doi.org/10.24400/802406/q4ga-dkqn</DOI>
      <ReleaseDate>2022-02-22T17:30:23Z</ReleaseDate>
      <Description>This data set contais Cluster 4 ephemeris data (position and velocity). Each ASCII file represents one day.

The coordinate system used is GSE (Geocentric Solar Ecliptic).

Data record are arranged chronologically.</Description>
      <Contact>
        <PersonID>spase://CNES/Person/CDPP-Archive/Mariella.Tatrallyay</PersonID>
        <Role>DataProducer</Role>
      </Contact>
    </ResourceHeader>
    <AccessInformation>
      <RepositoryID>spase://CNES/Repository/CDPP-Archive/REGARDS-CDPP</RepositoryID>
      <Availability>Online</Availability>
      <AccessURL>
        <Name>REGARDS</Name>
        <URL>https://regards.cnes.fr/user/cdpp/modules/1777?sp=DatasetName;q=DatasetName:CLU_C4_ORBIT_GSE</URL>
        <Description>Access via CNES Data Archive for CDPP</Description>
      </AccessURL>
      <Format>Text.ASCII</Format>
    </AccessInformation>
    <InstrumentID>spase://CNES/Instrument/CDPP-Archive/Cluster-4/Ephemeris</InstrumentID>
    <MeasurementType>Ephemeris</MeasurementType>
    <TemporalDescription>
      <TimeSpan>
        <StartDate>2000-08-22T00:00:00Z</StartDate>
        <StopDate>2019-12-31T00:00:00Z</StopDate>
      </TimeSpan>
    </TemporalDescription>
    <ObservedRegion>Earth.Magnetosheath</ObservedRegion>
    <ObservedRegion>Earth.Magnetosphere</ObservedRegion>
    <ObservedRegion>Earth.Magnetosphere.Magnetotail</ObservedRegion>
    <ObservedRegion>Earth.Magnetosphere.Main</ObservedRegion>
    <ObservedRegion>Earth.Magnetosphere.Polar</ObservedRegion>
    <ObservedRegion>Earth.Magnetosphere.RadiationBelt</ObservedRegion>
    <ObservedRegion>Earth.NearSurface.AuroralRegion</ObservedRegion>
    <ObservedRegion>Earth.NearSurface.Ionosphere</ObservedRegion>
    <ObservedRegion>Earth.NearSurface.Plasmasphere</ObservedRegion>
    <ObservedRegion>Earth.NearSurface.PolarCap</ObservedRegion>
    <ObservedRegion>Heliosphere.NearEarth</ObservedRegion>
    <Parameter>
      <Name>Cluster 4 GSE position</Name>
      <Description>Cluster 4 Spacecraft position in GSE</Description>
      <Units>km</Units>
      <UnitsConversion>1e3&gt;m</UnitsConversion>
      <CoordinateSystem>
        <CoordinateRepresentation>Cartesian</CoordinateRepresentation>
        <CoordinateSystemName>GSE</CoordinateSystemName>
      </CoordinateSystem>
      <Support>
        <Qualifier>Vector</Qualifier>
        <SupportQuantity>Positional</SupportQuantity>
      </Support>
    </Parameter>
    <Parameter>
      <Name>Cluster 4 GSE Velocity</Name>
      <Description>Cluster 4 Spacecraft velocity  in GSE</Description>
      <Units>km s^-1</Units>
      <UnitsConversion>1e3&gt;m s^-1</UnitsConversion>
      <CoordinateSystem>
        <CoordinateRepresentation>Cartesian</CoordinateRepresentation>
        <CoordinateSystemName>GSE</CoordinateSystemName>
      </CoordinateSystem>
      <Support>
        <Qualifier>Vector</Qualifier>
        <SupportQuantity>Velocity</SupportQuantity>
      </Support>
    </Parameter>
  </NumericalData>
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