<voe:VOEvent
      ivorn="ivo://nasa.gsfc.gcn/Fermi#GBM_SubThresh_2025-03-08T10:17:12.00_763121837_0-649"
      role="observation" version="2.0"
      xmlns:voe="http://www.ivoa.net/xml/VOEvent/v2.0"
      xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
      xsi:schemaLocation="http://www.ivoa.net/xml/VOEvent/v2.0  http://www.ivoa.net/xml/VOEvent/VOEvent-v2.0.xsd" >
  <Who>
    <AuthorIVORN>ivo://nasa.gsfc.tan/gcn</AuthorIVORN>
    <Author>
      <shortName>Fermi (via VO-GCN)</shortName>
      <contactName>Julie McEnery</contactName>
      <contactPhone>+1-301-286-1632</contactPhone>
      <contactEmail>Julie.E.McEnery@nasa.gov</contactEmail>
    </Author>
    <Date>2025-03-08T15:18:47</Date>
    <Description>This VOEvent message was created with GCN VOE version: 15.08 17jun22</Description>
  </Who>
  <What>
    <Param name="Packet_Type"    value="131" />
    <Param name="Pkt_Ser_Num"    value="22" />
    <Param name="Trans_Num"      value="763121837" ucd="meta.id" />
    <Param name="Trans_TJD"      value="20742" unit="days" ucd="time" />
    <Param name="Trans_SOD"      value="37032.215999" unit="sec" ucd="time" />
    <Param name="Trans_Duration" value="1.983" unit="sec" ucd="time.interval" />
    <Param name="Earth_angle"    value="23.50" unit="deg" ucd="pos.az.zd" />
    <Param name="Reliability"    value="2" unit="dn" />
    <Param name="Trigger_ID"     value="0x0" />
    <Param name="Misc_flags"     value="0x40000001" />
    <Group name="Trigger_ID" >
      <Param name="Temporal_Prox_Match"   value="false" />
      <Param name="Test_Submission"       value="false" />
    </Group>
    <Group name="Misc_Flags" >
      <Param name="Spectral_class"        value="hard" />
      <Param name="Duration_class"        value="short" />
      <Param name="Values_Out_of_Range"   value="false" />
      <Param name="Flt_Generated"         value="false" />
      <Param name="Gnd_Generated"         value="true" />
    </Group>
    <Param name="HealPix_URL"     value="https://gcn.gsfc.nasa.gov/notices_gbm_sub/gbm_subthresh_763121837.215999_healpix.fits"  ucd="meta.ref.url" />
    <Param name="Map_URL"         value="https://gcn.gsfc.nasa.gov/notices_gbm_sub/gbm_subthresh_763121837.215999_map.png"  ucd="meta.ref.url" />
    <Param name="LC_URL"          value="https://gcn.gsfc.nasa.gov/notices_gbm_sub/gbm_subthresh_763121837.215999_lc.pdf"  ucd="meta.ref.url" />
    <Param name="Coords_Type"     value="1" unit="dn" />
    <Param name="Coords_String"   value="source_object" />
    <Group name="Obs_Support_Info" >
      <Description>The Sun and Moon values are valid at the time the VOEvent XML message was created.</Description>
      <Param name="Sun_RA"        value="349.25" unit="deg" ucd="pos.eq.ra" />
      <Param name="Sun_Dec"       value="-4.62" unit="deg" ucd="pos.eq.dec" />
      <Param name="Sun_Distance"  value="142.49" unit="deg" ucd="pos.angDistance" />
      <Param name="Sun_Hr_Angle"  value="-9.75" unit="hr" />
      <Param name="Moon_RA"       value="104.32" unit="deg" ucd="pos.eq.ra" />
      <Param name="Moon_Dec"      value="27.95" unit="deg" ucd="pos.eq.dec" />
      <Param name="MOON_Distance" value="50.06" unit="deg" ucd="pos.angDistance" />
      <Param name="Moon_Illum"    value="70.70" unit="%" ucd="arith.ratio" />
      <Param name="Galactic_Long" value="239.97" unit="deg" ucd="pos.galactic.lon" />
      <Param name="Galactic_Lat"  value="21.77" unit="deg" ucd="pos.galactic.lat" />
      <Param name="Ecliptic_Long" value="141.53" unit="deg" ucd="pos.ecliptic.lon" />
      <Param name="Ecliptic_Lat"  value="-27.65" unit="deg" ucd="pos.ecliptic.lat" />
    </Group>
    <Description>The Fermi-GBM location of a transient.</Description>
  </What>
  <WhereWhen>
    <ObsDataLocation>
      <ObservatoryLocation id="GEOLUN" />
      <ObservationLocation>
        <AstroCoordSystem id="UTC-FK5-GEO" />
        <AstroCoords coord_system_id="UTC-FK5-GEO">
          <Time unit="s">
            <TimeInstant>
              <ISOTime>2025-03-08T10:17:12.22</ISOTime>
            </TimeInstant>
          </Time>
          <Position2D unit="deg">
            <Name1>RA</Name1>
            <Name2>Dec</Name2>
            <Value2>
              <C1>135.1399</C1>
              <C2>-11.9199</C2>
            </Value2>
            <Error2Radius>8.8399</Error2Radius>
          </Position2D>
        </AstroCoords>
      </ObservationLocation>
    </ObsDataLocation>
  <Description>The RA,Dec coordinates are of the type: source_object.</Description>
  </WhereWhen>
  <How>
    <Description>Fermi Satellite, GBM Instrument</Description>
    <Reference uri="http://gcn.gsfc.nasa.gov/fermi.html" type="url" />
  </How>
  <Why importance="0.5">
    <Inference probability="0.5">
      <Concept>process.variation.trans;em.gamma</Concept>
    </Inference>
  </Why>
  <Description>
  </Description>
</voe:VOEvent>
