<voe:VOEvent
      ivorn="ivo://nasa.gsfc.gcn/SWIFT#BAT_Lightcurve_1434591-807"
      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>VO-GCN</shortName>
      <contactName>Scott Barthelmy</contactName>
      <contactPhone>+1-301-286-3106</contactPhone>
      <contactEmail>scott.barthelmy@nasa.gov</contactEmail>
    </Author>
    <Date>2026-01-09T13:06:50</Date>
    <Description>This VOEvent message was created with GCN VOE version: 15.08 17jun22</Description>
  </Who>
  <What>
    <Param name="Packet_Type"  value="63" />
    <Param name="Pkt_Ser_Num"  value="47" />
    <Param name="TrigID"       value="1434591" ucd="meta.id" />
    <Param name="Segment_Num"  value="0" ucd="meta.id.part" />
    <Param name="Burst_TJD"    value="21049" unit="days" ucd="time" />
    <Param name="Burst_SOD"    value="46035.05" unit="sec" ucd="time" />
    <Param name="Delta_Time"   value="-5.000" unit="sec" ucd="time.interval" />
    <Param name="Integ_Time"   value="0.000" unit="sec" ucd="time.interval" />
    <Param name="Phi"          value="138.23" unit="deg" ucd="pos.az.azi" />
    <Param name="Theta"        value="18.71" unit="deg" ucd="pos.az.zd" />
    <Param name="Trig_Index"   value="144" />
    <Param name="Soln_Status"  value="0x0" />
    <Param name="Misc_flags"   value="0x800001" />
    <Param name="SC_Long"      value="114.13" unit="deg" ucd="pos.earth.lon" />
    <Param name="SC_Lat"        value="-16.69" unit="deg" ucd="pos.earth.lat" />
    <Group name="Solution_Status" >
      <Description>Solution Status not available.</Description>
    </Group>
    <Group name="Misc_Flags" >
      <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" />
      <Param name="TOO_Generated"           value="false" />
      <Param name="Contains_Extended_Pkts"  value="true" />
      <Param name="Soln_Status_fr_BAT_POS"  value="false" />
      <Param name="Missing_3rd_of_3_pkts"   value="false" />
      <Param name="Missing_2nd_of_3_pkts"   value="false" />
      <Param name="Missing_1st_of_3_pkts"   value="false" />
      <Param name="Flt_Generated"           value="true" />
      <Param name="Gnd_Generated"           value="false" />
      <Param name="WatchDog_Forced_Out"     value="false" />
      <Param name="CRC_Error"               value="false" />
    </Group>
    <Param name="Lightcurve_Link"      value="http://gcn.gsfc.nasa.gov/gcn/notices_s/sw001434591000msb.fits" ucd="meta.ref.url" />
    <Param name="Lightcurve_Link_Jpeg" value="http://gcn.gsfc.nasa.gov/gcn/notices_s/sw001434591000msb.jpeg" 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="290.87" unit="deg" ucd="pos.eq.ra" />
      <Param name="Sun_Dec"       value="-22.05" unit="deg" ucd="pos.eq.dec" />
      <Param name="Sun_Distance"  value="121.28" unit="deg" ucd="pos.angDistance" />
      <Param name="Sun_Hr_Angle"  value="11.13" unit="hr" />
      <Param name="Moon_RA"       value="185.33" unit="deg" ucd="pos.eq.ra" />
      <Param name="Moon_Dec"      value="-4.78" unit="deg" ucd="pos.eq.dec" />
      <Param name="MOON_Distance" value="64.03" unit="deg" ucd="pos.angDistance" />
      <Param name="Moon_Illum"    value="60.86" unit="%" ucd="arith.ratio" />
      <Param name="Galactic_Long" value="253.20" unit="deg" ucd="pos.galactic.lon" />
      <Param name="Galactic_Lat"  value="-0.25" unit="deg" ucd="pos.galactic.lat" />
      <Param name="Ecliptic_Long" value="139.05" unit="deg" ucd="pos.ecliptic.lon" />
      <Param name="Ecliptic_Lat"  value="-53.11" unit="deg" ucd="pos.ecliptic.lat" />
    </Group>
    <Description>The gamma-ray lightcurve from a Swift-BAT transient. In the url, the jpeg can be replaced with gif,pdf,ps.</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>2026-01-09T12:47:15.05</ISOTime>
            </TimeInstant>
          </Time>
          <Position2D unit="deg">
            <Name1>RA</Name1>
            <Name2>Dec</Name2>
            <Value2>
              <C1>123.7279</C1>
              <C2>-35.2579</C2>
            </Value2>
            <Error2Radius>0.0000</Error2Radius>
          </Position2D>
        </AstroCoords>
      </ObservationLocation>
    </ObsDataLocation>
  <Description>The RA,Dec coordinates are of the type: source_object.</Description>
  </WhereWhen>
  <How>
    <Description>Swift Satellite, BAT Instrument</Description>
    <Reference uri="http://gcn.gsfc.nasa.gov/swift.html" type="url" />
  </How>
  <Why importance="0.90">
    <Inference probability="0.90">
      <Name>GRB 260109</Name>
      <Concept>process.variation.burst;em.gamma</Concept>
    </Inference>
  </Why>
  <Description>
  </Description>
</voe:VOEvent>
