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  <DisplayData>
    <ResourceID>spase://NASA/DisplayData/TIMED/GUVI/Aurora_PNG</ResourceID>
    <NamingAuthority>NASA</NamingAuthority>
    <ResourceType>DisplayData</ResourceType>
    <ResourceHeader>
      <ResourceName>TIMED GUVI Auroral PNG Images</ResourceName>
      <ReleaseDate>2025-12-04T13:28:07Z</ReleaseDate>
      <RevisionHistory>
        <RevisionEvent>
          <ReleaseDate>2021-03-29T17:14:50Z</ReleaseDate>
          <Note>Only known prior ReleaseDate of the metadata</Note>
        </RevisionEvent>
        <RevisionEvent>
          <ReleaseDate>2025-11-14T16:17:32Z</ReleaseDate>
          <Note>Added PublicationInfo. Added ResourceType and NamingAuthority. Changed http to https in top-level schemaLocation attribute. Fixed version number separator in top-level schemaLocation attribute. Matched version number in schemaLocation attribute to updated value in Version tag. ZCB</Note>
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        <RevisionEvent>
          <ReleaseDate>2025-12-04T13:28:07Z</ReleaseDate>
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      <Description>2-D E0 and Q map images of the north and south pole aurora from GUVI L1C N2 LBH radiance data.</Description>
      <Acknowledgement>The GUVI data used here are provided through support from the NASA MOamp;DA program. The GUVI instrument was designed and built by The Aerospace Corporation and The Johns Hopkins University. The Principal Investigator is Dr. Andrew B. Christensen and the Chief Scientist and co-PI is Dr. Larry J. Paxton. See also Data Usage Policy at http://guvitimed.jhuapl.edu/home_guvi-datausage .</Acknowledgement>
      <PublicationInfo>
        <Authors>Christensen, Andrew B.; Paxton, Larry J.</Authors>
        <PublicationDate>2025-11-14T16:17:32Z</PublicationDate>
        <PublishedBy>Johns Hopkins University Applied Physics Laboratory; Space Physics Data Facility</PublishedBy>
      </PublicationInfo>
      <Contact>
        <PersonID>spase://SMWG/Person/Andrew.B.Christensen</PersonID>
        <Role>PrincipalInvestigator</Role>
      </Contact>
      <Contact>
        <PersonID>spase://SMWG/Person/Larry.J.Paxton</PersonID>
        <Role>CoInvestigator</Role>
      </Contact>
      <InformationURL>
        <Name>Aurora Data Products Description</Name>
        <URL>http://guvitimed.jhuapl.edu/data_aurora_info</URL>
      </InformationURL>
      <InformationURL>
        <Name>Aurora Data Products Availability (PNG)</Name>
        <URL>http://guvitimed.jhuapl.edu/data_status_l3_map_aurora_png</URL>
      </InformationURL>
      <PriorID>spase://VITMO/DisplayData/TIMED/GUVI/Aurora_PNG</PriorID>
      <PriorID>spase://VSPO/DisplayData/TIMED/GUVI/Aurora_PNG</PriorID>
    </ResourceHeader>
    <AccessInformation>
      <RepositoryID>spase://SMWG/Repository/TIMED/GUVI_POC</RepositoryID>
      <Availability>Online</Availability>
      <AccessRights>Open</AccessRights>
      <AccessURL>
        <Name>GUVI POC L3 Aurora Map (PNG) Data Request</Name>
        <URL>http://guvitimed.jhuapl.edu/data_fetch_l3_map_aurora_png</URL>
        <Description>This web page allows the request of PNG-formatted image files for this product.  To request data: select the year and day then click the link for the desired file name.</Description>
      </AccessURL>
      <AccessURL>
        <Name>GUVI POC L3 Aurora Map Gallery</Name>
        <URL>http://guvitimed.jhuapl.edu/guvi-galleryl3aurora</URL>
        <Description>This web page allows viewing of individual images or a slideshow of a sequence of images.  To request data: select the year, day and orbit and the display type then click display.</Description>
      </AccessURL>
      <AccessURL>
        <Name>GUVI Data Products Access</Name>
        <URL>http://guvitimed.jhuapl.edu/data_products</URL>
        <Description>This web page provides access to data products as well as to descriptions and availability information.</Description>
      </AccessURL>
      <Format>PNG</Format>
      <Encoding>None</Encoding>
      <Acknowledgement>NASA, Andrew B. Christensen</Acknowledgement>
    </AccessInformation>
    <AccessInformation>
      <RepositoryID>spase://SMWG/Repository/TIMED/GUVI_POC</RepositoryID>
      <Availability>Online</Availability>
      <AccessRights>Open</AccessRights>
      <AccessURL>
        <Name>GUVI POC L3 Aurora Map (PostScript) Data Request</Name>
        <URL>http://guvitimed.jhuapl.edu/data_fetch_l3_map_aurora_postscript</URL>
        <Description>This web page allows the request of PostScript-formatted image files for this product.  To request data: select the year and day then click the link for the desired file name.</Description>
      </AccessURL>
      <AccessURL>
        <Name>GUVI POC L3 Aurora Map Gallery</Name>
        <URL>http://guvitimed.jhuapl.edu/guvi-galleryl3aurora</URL>
        <Description>This web page allows viewing of individual images or a slideshow of a sequence of images.  To request data: select the year, day and orbit and the display type then click display.</Description>
      </AccessURL>
      <AccessURL>
        <Name>GUVI Data Products Access</Name>
        <URL>http://guvitimed.jhuapl.edu/data_products</URL>
        <Description>This web page provides access to data products as well as to descriptions and availability information.</Description>
      </AccessURL>
      <Format>Postscript</Format>
      <Encoding>None</Encoding>
      <Acknowledgement>NASA, Andrew B. Christensen</Acknowledgement>
    </AccessInformation>
    <AccessInformation>
      <RepositoryID>spase://SMWG/Repository/NASA/GSFC/SPDF</RepositoryID>
      <Availability>Online</Availability>
      <AccessRights>Open</AccessRights>
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        <Rights>
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          <RightsName>Creative Commons Zero v1.0 Universal</RightsName>
          <Note>CC0 1.0 Universal is the Creative Commons license applicable to all publicly available NASA Heliophysics data products</Note>
        </Rights>
      </RightsList>
      <AccessURL>
        <Name>FTPS from SPDF (not with most browsers)</Name>
        <URL>ftps://spdf.gsfc.nasa.gov/pub/data/timed/guvi/levels_v10/level3/guvi_aurora/data/cdf/</URL>
        <Description>FTP repository of TIMED GUVI L3 Aurora data in CDF format at CDAWeb</Description>
      </AccessURL>
      <AccessURL>
        <Name>HTTPS from SPDF</Name>
        <URL>https://spdf.gsfc.nasa.gov/pub/data/timed/guvi/levels_v10/level3/guvi_aurora/data/cdf/</URL>
        <Description>In CDF via HTTP from SPDF</Description>
      </AccessURL>
      <Format>CDF</Format>
      <Acknowledgement>Please acknowledge the support from the CDAWeb team at GSFC/SPDF.</Acknowledgement>
    </AccessInformation>
    <ProcessingLevel>Calibrated</ProcessingLevel>
    <ProviderResourceName>GUVI Auroral Images</ProviderResourceName>
    <ProviderProcessingLevel>Level 3</ProviderProcessingLevel>
    <InstrumentID>spase://SMWG/Instrument/TIMED/GUVI</InstrumentID>
    <MeasurementType>Spectrum</MeasurementType>
    <TemporalDescription>
      <TimeSpan>
        <StartDate>2002-01-20T00:00:00.000Z</StartDate>
        <StopDate>2007-11-04T00:00:00.000Z</StopDate>
      </TimeSpan>
    </TemporalDescription>
    <DisplayCadence>PT1H37M</DisplayCadence>
    <ObservedRegion>Earth.NearSurface.AuroralRegion</ObservedRegion>
    <Caveats>The L1C files currently available are being evaluated. Please contact GUVI team before using</Caveats>
    <Keyword>TIMED</Keyword>
    <Keyword>GUVI</Keyword>
    <Keyword>aurora</Keyword>
    <Parameter>
      <Name>Magnetic north electron mean energy</Name>
      <ParameterKey>Magnetic North Mean Energy</ParameterKey>
      <Description>Estimated magnetic north electron mean energy (E0)</Description>
      <Units>keV</Units>
      <Particle>
        <ParticleType>Electron</ParticleType>
        <ParticleQuantity>Energy</ParticleQuantity>
        <EnergyRange>
          <Low>0.5</Low>
          <High>20</High>
          <Units>keV</Units>
        </EnergyRange>
      </Particle>
    </Parameter>
    <Parameter>
      <Name>Magnetic south electron mean energy</Name>
      <ParameterKey>Magnetic South Mean Energy</ParameterKey>
      <Description>Estimated magnetic south electron mean energy (E0)</Description>
      <Units>keV</Units>
      <Particle>
        <ParticleType>Electron</ParticleType>
        <ParticleQuantity>Energy</ParticleQuantity>
        <EnergyRange>
          <Low>0.5</Low>
          <High>20</High>
          <Units>keV</Units>
        </EnergyRange>
      </Particle>
    </Parameter>
    <Parameter>
      <Name>Magnetic north electron energy flux</Name>
      <ParameterKey>Magnetic North Flux</ParameterKey>
      <Description>Estimated magnetic north electron energy flux (Q)</Description>
      <Units>ergs/s/cm^2</Units>
      <Particle>
        <ParticleType>Electron</ParticleType>
        <ParticleQuantity>EnergyFlux</ParticleQuantity>
      </Particle>
    </Parameter>
    <Parameter>
      <Name>Magnetic south electron energy flux</Name>
      <ParameterKey>Magnetic South Flux</ParameterKey>
      <Description>Estimated magnetic south electron energy flux (Q)</Description>
      <Units>ergs/s/cm^2</Units>
      <Particle>
        <ParticleType>Electron</ParticleType>
        <ParticleQuantity>EnergyFlux</ParticleQuantity>
      </Particle>
    </Parameter>
  </DisplayData>
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