<?xml version="1.0" encoding="UTF-8"?>

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  <Version>2.4.1</Version>
  <NumericalData>
    <ResourceID>spase://CNES/NumericalData/CDPP-AMDA/PSP/SPI/psp-spi-amom</ResourceID>
    <ResourceHeader>
      <ResourceName>moments</ResourceName>
      <AlternateName>SWEAP SPAN-Ai Level 3 moments</AlternateName>

      <ReleaseDate>2024-09-25T15:46:33Z</ReleaseDate>

      <Description>

             This data product contains Partial moments of the Alpha distribution function in the SPAN-Ion instrument, PSP spacecraft, and RTN coordinate systems. User should be aware that the full ion distribution is typically NOT in the FOV of the instrument.

         </Description>

      <Acknowledgement>

             Please acknowledge the NASA Parker Solar Probe Mission and SWEAP team
             led by Justin Kasper for use of data.
         </Acknowledgement>

      <Contact>
        <PersonID>spase://SMWG/Person/Justin.C.Kasper</PersonID>
        <Role>PrincipalInvestigator</Role>
      </Contact>
      <Contact>
        <PersonID>spase://SMWG/Person/Davin.Larson</PersonID>
        <Role>DeputyPI</Role>
      </Contact>
      <InformationURL>
        <Name>Investigation Publication</Name>
        <URL>https://link.springer.com/article/10.1007%2Fs112.4.115-0206-3</URL>
        <Description>

               Design of the Solar Wind and Coronal Plasma Instrument Suite for Solar Probe Plus
           </Description>

      </InformationURL>
      <Association>
        <AssociationID>psp-spi-alpha</AssociationID>
        <AssociationType>PartOf</AssociationType>
        <Note>alphas</Note>
      </Association>
    </ResourceHeader>
    <AccessInformation>

      <RepositoryID>spase://SMWG/Repository/CDPP/AMDA</RepositoryID>
      <Availability>Online</Availability>
      <AccessRights>Open</AccessRights>
      <AccessURL>
        <Name>CDPP/AMDA HAPI Server</Name>

        <URL>https://amda.irap.omp.eu/service/hapi</URL>

        <Style>HAPI</Style>

        <ProductKey>psp-spi-amom</ProductKey>

        <Description>Web Service to this product using the HAPI interface.</Description>
      </AccessURL>
      <Format>CSV</Format>

      <Acknowledgement>Thank you for acknowledging the use of AMDA in publications with wording like "Data analysis was performed with the AMDA science analysis system provided by the Centre de Données de la Physique des Plasmas (CDPP) supported by CNRS, CNES, Observatoire de Paris and Université Paul Sabatier, Toulouse". See the Rules of the road at https://amda.cdpp.eu/help/policy.html . Please acknowledge the Data Providers.</Acknowledgement>

    </AccessInformation>

    <AccessInformation>

      <RepositoryID>spase://SMWG/Repository/CDPP/AMDA</RepositoryID>
      <Availability>Online</Availability>
      <AccessRights>Open</AccessRights>
      <AccessURL>
        <Name>CDPP/AMDA Web application</Name>

        <URL>https://amda.cdpp.eu</URL>

        <Description>Access to Data via CDPP/AMDA Web application.</Description>
      </AccessURL>
      <Format>CSV</Format>
      <Format>VOTable</Format>
      <Format>CDF</Format>
      <Format>PNG</Format>

      <Acknowledgement>Thank you for acknowledging the use of AMDA in publications with wording like "Data analysis was performed with the AMDA science analysis system provided by the Centre de Données de la Physique des Plasmas (CDPP) supported by CNRS, CNES, Observatoire de Paris and Université Paul Sabatier, Toulouse". See the Rules of the road at https://amda.cdpp.eu/help/policy.html . Please acknowledge the Data Providers.</Acknowledgement>

    </AccessInformation>

    <ProviderName>SPDF</ProviderName>

    <ProviderResourceName>psp/sweap/spi/l3/spi_sf0a_l3_mom/</ProviderResourceName>

    <InstrumentID>spase://CNES/Instrument/CDPP-AMDA/PSP/SPI</InstrumentID>
    <MeasurementType>ThermalPlasma</MeasurementType>
    <TemporalDescription>
      <TimeSpan>

        <StartDate>2018-10-02T04:04:15Z</StartDate>
        <StopDate>2024-04-30T04:07:52Z</StopDate>

      </TimeSpan>
      <CadenceMin>PT0.437S</CadenceMin>
      <CadenceMax>PT56S</CadenceMax>
    </TemporalDescription>
    <ObservedRegion>Heliosphere.Inner</ObservedRegion>
    <ObservedRegion>Sun.Corona</ObservedRegion>
    <Parameter>
      <Name>he++ density</Name>
      <ParameterKey>psp_spi_an</ParameterKey>
      <Description>Alpha density</Description>
      <Units>cm-3</Units>
      <RenderingHints>
        <DisplayType>TimeSeries</DisplayType>
      </RenderingHints>
      <Structure>
        <Size>1</Size>
      </Structure>
      <Particle>
        <ParticleType>Ion</ParticleType>
        <Qualifier>Scalar</Qualifier>
        <ParticleQuantity>NumberDensity</ParticleQuantity>
      </Particle>
    </Parameter>
    <Parameter>
      <Name>he++ temperature</Name>
      <ParameterKey>psp_spi_aw</ParameterKey>
      <Description>Partial Moment Temperature</Description>
      <Units>eV</Units>
      <RenderingHints>
        <DisplayType>TimeSeries</DisplayType>
      </RenderingHints>
      <Particle>
        <ParticleType>Ion</ParticleType>
        <Qualifier>Scalar</Qualifier>
        <ParticleQuantity>Temperature</ParticleQuantity>
      </Particle>
    </Parameter>
    <Parameter>
      <Name>he++ t_inst</Name>
      <ParameterKey>psp_spi_awt_inst</ParameterKey>
      <Description>Temperature Tensor in instrument frame</Description>
      <Units>eV</Units>
      <RenderingHints>
        <DisplayType>TimeSeries</DisplayType>
      </RenderingHints>
      <Structure>
        <Size>6</Size>
        <Element>
          <Name>Txx</Name>
          <Index>1</Index>
          <ParameterKey>psp_spi_awt_inst(0)</ParameterKey>
        </Element>
        <Element>
          <Name>Tyy</Name>
          <Index>2</Index>
          <ParameterKey>psp_spi_awt_inst(1)</ParameterKey>
        </Element>
        <Element>
          <Name>Tzz</Name>
          <Index>3</Index>
          <ParameterKey>psp_spi_awt_inst(2)</ParameterKey>
        </Element>
        <Element>
          <Name>Txy</Name>
          <Index>4</Index>
          <ParameterKey>psp_spi_awt_inst(3)</ParameterKey>
        </Element>
        <Element>
          <Name>Txz</Name>
          <Index>5</Index>
          <ParameterKey>psp_spi_awt_inst(4)</ParameterKey>
        </Element>
        <Element>
          <Name>Tyz</Name>
          <Index>6</Index>
          <ParameterKey>psp_spi_awt_inst(5)</ParameterKey>
        </Element>
      </Structure>
      <Particle>
        <ParticleType>Ion</ParticleType>
        <Qualifier>Tensor</Qualifier>
        <ParticleQuantity>Temperature</ParticleQuantity>
      </Particle>
    </Parameter>

    <Parameter>
      <Name>he++ v_inst</Name>
      <ParameterKey>psp_spi_av_inst</ParameterKey>
      <Description>Particle Velocity in instrument frame</Description>
      <Units>km/s</Units>
      <RenderingHints>
        <DisplayType>TimeSeries</DisplayType>
      </RenderingHints>
      <Structure>
        <Size>3</Size>
        <Element>
          <Name>vx</Name>
          <Qualifier>Component.I</Qualifier>
          <Index>1</Index>
          <ParameterKey>psp_spi_av_inst(0)</ParameterKey>
        </Element>
        <Element>
          <Name>vy</Name>
          <Qualifier>Component.J</Qualifier>
          <Index>2</Index>
          <ParameterKey>psp_spi_av_inst(1)</ParameterKey>
        </Element>
        <Element>
          <Name>vz</Name>
          <Qualifier>Component.K</Qualifier>
          <Index>3</Index>

          <ParameterKey>psp_spi_av_inst(2)</ParameterKey>

        </Element>
      </Structure>
      <Particle>
        <ParticleType>Ion</ParticleType>
        <Qualifier>Vector</Qualifier>
        <ParticleQuantity>Velocity</ParticleQuantity>
      </Particle>
    </Parameter>

    <Parameter>
      <Name>he++ v_rtn</Name>
      <ParameterKey>psp_spi_av</ParameterKey>
      <Description>Particle Velocity in RTN frame</Description>
      <Units>km/s</Units>
      <CoordinateSystem>
        <CoordinateRepresentation>Cartesian</CoordinateRepresentation>
        <CoordinateSystemName>RTN</CoordinateSystemName>
      </CoordinateSystem>
      <RenderingHints>
        <DisplayType>TimeSeries</DisplayType>
      </RenderingHints>
      <Structure>
        <Size>3</Size>
        <Element>
          <Name>vr</Name>
          <Qualifier>Component.I</Qualifier>
          <Index>1</Index>

          <ParameterKey>psp_spi_av(0)</ParameterKey>

        </Element>
        <Element>
          <Name>vt</Name>
          <Qualifier>Component.J</Qualifier>
          <Index>2</Index>

          <ParameterKey>psp_spi_av(1)</ParameterKey>

        </Element>
        <Element>
          <Name>vn</Name>
          <Qualifier>Component.K</Qualifier>
          <Index>3</Index>

          <ParameterKey>psp_spi_av(2)</ParameterKey>

        </Element>
      </Structure>

      <Particle>

        <ParticleType>Ion</ParticleType>
        <Qualifier>Vector</Qualifier>
        <ParticleQuantity>Velocity</ParticleQuantity>
      </Particle>
    </Parameter>

    <Parameter>
      <Name>he++ |v|</Name>
      <ParameterKey>psp_spi_avtot</ParameterKey>
      <Description>Particle Velocity magnitude</Description>
      <UCD>phys.magField</UCD>
      <Units>km/s</Units>
      <RenderingHints>
        <DisplayType>TimeSeries</DisplayType>
      </RenderingHints>
      <Structure>
        <Size>1</Size>
      </Structure>

      <Particle>

        <ParticleType>Ion</ParticleType>
        <Qualifier>Magnitude</Qualifier>
        <ParticleQuantity>Velocity</ParticleQuantity>
      </Particle>
    </Parameter>

  </NumericalData>

</Spase>