<voe:VOEvent
      ivorn="ivo://nasa.gsfc.gcn/Fermi#LAT_Offline_Pos_2025-06-02T03:04:31.30_770526276-0-426"
      role="observation" version="1.1"
      xmlns:voe="http://www.ivoa.net/xml/VOEvent/v1.1"
      xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
      xmlns:xlink="http://www.w3.org/1999/xlink"
      xsi:schemaLocation="http://www.ivoa.net/xml/VOEvent/v1.1 http://www.ivoa.net/xml/VOEvent/VOEvent-v1.1.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>2025-06-04T14:24:42</Date>
    <Description>This VOEvent message was created with GCN VOE version: 15.08 17jun22</Description>
  </Who>
  <What>
    <Param name="Packet_Type"     value="128" />
    <Param name="Pkt_Ser_Num"     value="1" />
    <Param name="TrigID"          value="770526276" ucd="meta.id" />
    <Param name="Burst_TJD"       value="20828" unit="days" ucd="time" />
    <Param name="Burst_SOD"       value="11071.30" unit="sec" ucd="time" />
    <Param name="Burst_Inten"     value="0" unit="cts" ucd="phot.count" />
    <Param name="Integ_Time"      value="0.000" unit="sec" ucd="time.interval" />
    <Param name="Trigger_Signif"  value="-0.00" />
    <Param name="Trigger_ID"      value="0x20000000" />
    <Param name="Misc_flags"      value="0x40000000" />
    <Group name="Trigger_ID" >
      <Param name="All_Gammas_Used"        value="true" />
      <Param name="Only_Gammas_Above_Used" value="false" />
      <Param name="Def_NOT_a_GRB"          value="false" />
      <Param name="Spatial_Prox_Match"     value="false" />
      <Param name="Temporal_Prox_Match"    value="true" />
    </Group>
    <Group name="Misc_Flags" >
      <Param name="Report_Request_Made"    value="false" />
      <Param name="Values_Out_of_Range"    value="false" />
      <Param name="Near_Bright_Star"       value="false" />
      <Param name="Err_Circle_in_Galaxy"   value="false" />
      <Param name="Galaxy_in_Err_Circle"   value="false" />
    </Group>
    <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="72.89" unit="deg" ucd="pos.eq.ra" />
      <Param name="Sun_Dec"       value="22.50" unit="deg" ucd="pos.eq.dec" />
      <Param name="Sun_Distance"  value="44.78" unit="deg" ucd="pos.angDistance" />
      <Param name="Sun_Hr_Angle"  value="-2.64" unit="hr" />
      <Param name="Moon_RA"       value="180.22" unit="deg" ucd="pos.eq.ra" />
      <Param name="Moon_Dec"      value="-0.67" unit="deg" ucd="pos.eq.dec" />
      <Param name="MOON_Distance" value="78.66" unit="deg" ucd="pos.angDistance" />
      <Param name="Moon_Illum"    value="64.06" unit="%" ucd="arith.ratio" />
      <Param name="Galactic_Long" value="160.25" unit="deg" ucd="pos.galactic.lon" />
      <Param name="Galactic_Lat"  value="27.28" unit="deg" ucd="pos.galactic.lat" />
      <Param name="Ecliptic_Long" value="104.30" unit="deg" ucd="pos.ecliptic.lon" />
      <Param name="Ecliptic_Lat"  value="34.58" unit="deg" ucd="pos.ecliptic.lat" />
    </Group>
    <Description>The Fermi-LAT transient location found by ground-processing.</Description>
  </What>
  <WhereWhen>
    <ObsDataLocation xmlns="http://www.ivoa.net/xml/STC/stc-v1.30.xsd">
      <ObservatoryLocation xlink:href="ivo://STClib/Observatories#GEOLUN/" xlink:type="simple" id="GEOLUN" />
      <ObservationLocation>
        <AstroCoordSystem xlink:href="ivo://STClib/CoordSys#UTC-FK5-GEO/" xlink:type="simple" id="UTC-FK5-GEO" />
        <AstroCoords coord_system_id="UTC-FK5-GEO">
          <Time unit="s">
            <TimeInstant>
              <ISOTime>2025-06-02T03:04:31.30</ISOTime>
            </TimeInstant>
          </Time>
          <Position2D unit="deg">
            <Name1>RA</Name1>
            <Name2>Dec</Name2>
            <Value2>
              <C1>111.8900</C1>
              <C2>56.9399</C2>
            </Value2>
            <Error2Radius>0.4000</Error2Radius>
          </Position2D>
        </AstroCoords>
      </ObservationLocation>
    </ObsDataLocation>
  <Description>The RA,Dec coordinates are of the type: source_object.</Description>
  </WhereWhen>
  <How>
    <Description>Fermi Satellite, LAT Instrument</Description>
    <Reference uri="http://gcn.gsfc.nasa.gov/fermi.html" type="url" />
  </How>
  <Why importance="0.90">
    <Inference probability="0.90">
      <Concept>process.variation.burst;em.gamma</Concept>
    </Inference>
  </Why>
  <Description>
  </Description>
</voe:VOEvent>
