<Spase xmlns="http://www.spase-group.org/data/schema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.spase-group.org/data/schema http://www.spase-group.org/data/schema/spase-2_4_0.xsd">
  <Version>2.4.0</Version>
  <NumericalData>
    <ResourceID>spase://CNES/NumericalData/CDPP-Archive/DoubleStar2/NUADU/DSTAR_SP_T2_NUA</ResourceID>
    <ResourceHeader>
      <ResourceName>Double Star 2 NUADU Summary Parameters</ResourceName>
      <DOI>https://doi.org/10.24400/802406/m9fd-b6dw</DOI>
      <ReleaseDate>2021-11-02T15:44:52Z</ReleaseDate>
      <Description>The NUADU (NeUtral Atom Detector Unit) instrument   is an ENA-sensitive imager that covers 4-π solid angle with an angular resolution of 16 × 128 = 2048 pixels.

This data set conatins Double Star 2 NUADU summary  parameters at 1 min including the instrument status and omni-directional ENA fluxes in 4 energy bands.</Description>
      <Contact>
        <PersonID>spase://CNES/Person/CDPP-Archive/Susan.McKenna-Lawlor</PersonID>
        <Role>PrincipalInvestigator</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:DSTAR_SP_T2_NUA</URL>
        <Description>Access via CNES Data Archive for CDPP</Description>
      </AccessURL>
      <Format>CDF</Format>
    </AccessInformation>
    <ProcessingLevel>Calibrated</ProcessingLevel>
    <InstrumentID>spase://CNES/Instrument/CDPP-Archive/DoubleStar2/NUADU</InstrumentID>
    <MeasurementType>NeutralAtomImages</MeasurementType>
    <MeasurementType>InstrumentStatus</MeasurementType>
    <TemporalDescription>
      <TimeSpan>
        <StartDate>2004-09-15T00:00:00Z</StartDate>
        <StopDate>2007-08-02T00:00:00Z</StopDate>
      </TimeSpan>
    </TemporalDescription>
    <ObservedRegion>Earth.Magnetosphere</ObservedRegion>
    <ObservedRegion>Earth.Magnetosphere.Magnetotail</ObservedRegion>
    <ObservedRegion>Earth.Magnetosphere.Main</ObservedRegion>
    <ObservedRegion>Earth.Magnetosphere.RadiationBelt</ObservedRegion>
    <ObservedRegion>Earth.NearSurface.Ionosphere</ObservedRegion>
    <ObservedRegion>Earth.NearSurface.Plasmasphere</ObservedRegion>
    <Parameter>
      <Name>Double Star 2 NUADU Omni-directional ENA flux Summary Parameter (&lt; 50 keV)</Name>
      <Description>Double Star 2 NUADU Omni-directional ENA flux Summary Parameter (&lt; 50 keV) at 60 s time resolution</Description>
      <Units>cm^-2 s^-1 sr^-1</Units>
      <Particle>
        <ParticleType>Atom</ParticleType>
        <Qualifier>Integral</Qualifier>
        <ParticleQuantity>NumberFlux</ParticleQuantity>
        <EnergyRange>
          <Low>45000</Low>
          <High>50000</High>
          <Units>eV</Units>
        </EnergyRange>
      </Particle>
    </Parameter>
    <Parameter>
      <Name>Double Star 2 NUADU Omni-directional ENA flux Summary Parameter (50 -81 keV)</Name>
      <Description>Double Star 2 NUADU Omni-directional ENA flux Summary Parameter (50 - 81 keV) at 60 s time resolution</Description>
      <Units>cm^-2 s^-1 sr^-1</Units>
      <Particle>
        <ParticleType>Atom</ParticleType>
        <Qualifier>Integral</Qualifier>
        <ParticleQuantity>NumberFlux</ParticleQuantity>
        <EnergyRange>
          <Low>50000</Low>
          <High>81000</High>
          <Units>eV</Units>
        </EnergyRange>
      </Particle>
    </Parameter>
    <Parameter>
      <Name>Double Star 2 NUADU Omni-directional ENA flux Summary Parameter (81 -158 keV)</Name>
      <Description>Double Star 2 NUADU Omni-directional ENA flux Summary Parameter (81 - 158 keV) at 60 s time resolution</Description>
      <Units>cm^-2 s^-1 sr^-1</Units>
      <Particle>
        <ParticleType>Atom</ParticleType>
        <Qualifier>Integral</Qualifier>
        <ParticleQuantity>NumberFlux</ParticleQuantity>
        <EnergyRange>
          <Low>81000</Low>
          <High>158000</High>
          <Units>eV</Units>
        </EnergyRange>
      </Particle>
    </Parameter>
    <Parameter>
      <Name>Double Star 2 NUADU Omni-directional ENA flux Summary Parameter ( &gt; 158 keV)</Name>
      <Description>Double Star 2 NUADU Omni-directional ENA flux Summary Parameter ( &gt; 158 keV) at 60 s time resolution</Description>
      <Units>cm^-2 s^-1 sr^-1</Units>
      <Particle>
        <ParticleType>Atom</ParticleType>
        <Qualifier>Integral</Qualifier>
        <ParticleQuantity>NumberFlux</ParticleQuantity>
        <EnergyRange>
          <Low>158000</Low>
          <High>300000</High>
          <Units>eV</Units>
        </EnergyRange>
      </Particle>
    </Parameter>
    <Parameter>
      <Name>Double Star 2 NUADU Instrument Status Summary Parameter</Name>
      <Description>Double Star 2 NUADU Instrument Status Summary Parameter</Description>
      <Support>
        <SupportQuantity>Other</SupportQuantity>
      </Support>
    </Parameter>
  </NumericalData>
</Spase>