<voe:VOEvent
      ivorn="ivo://nasa.gsfc.gcn/AMON#NU_EM_Event2025-10-17T14:51:20.00_000000_000190645-165"
      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>AMON (via VO-TAN)</shortName>
      <contactName>Erik Blaufuss, James DeLaunay, Hugo Ayala</contactName>
      <contactEmail>blaufuss@umd.edu, jjd330@psu.edu, hgayala@psu.edu</contactEmail>
    </Author>
    <Date>2025-10-22T05:01:00</Date>
    <Description>This VOEvent message was created with TAN VOE version: 15.08 17jun22</Description>
  </Who>
  <What>
    <Param name="Packet_Type"  value="172" >
                                           <Description>GCN's Notice_Type ID number for the AMON_NE_EM_COINC Notice type.</Description> </Param>
    <Param name="Pkt_Ser_Num"  value="1" >
                                           <Description>GCN's counting of how many are produced with GCN for each run session.</Description> </Param>
    <Param name="Stream"       value="1" unit="dn" ucd="meta.id" >
                                           <Description>The AMON Alert Stream ID number.</Description> </Param>
    <Param name="Event_ID"     value="190645" unit="dn" ucd="meta.number" >
                                           <Description>The AMON Event ID number.</Description> </Param>
    <Param name="Event_Date"   value="251017A" unit="dn" ucd="meta.number" >
                                           <Description>The AMON Event Date.</Description> </Param>
    <Param name="Run_ID"       value="0" unit="dn" ucd="meta.number" >
                                           <Description>The AMON Run ID number.</Description> </Param>
    <Param name="Rev"          value="0"  ucd="meta.number" unit=" " >
                                         <Description>Revision of the alert.</Description> </Param>
    <Param name="Pair_Name_ID" value="1"  ucd="meta.number" unit=" " >
                                         <Description>Index number (into an aray) of the 2 instruments in the Coincidence.</Description> </Param>
    <Param name="FAR"          value="3.2397e+00" ucd="stat.probability" unit="yr^-1" >
                                         <Description>False Alarm Rate, Number per year.</Description> </Param>
    <Param name="deltaT"       value="22267.84" ucd="time.timeduration" unit="s" >
                                         <Description>Time window of the search</Description> </Param>
    <Param name="src_err_90"   value="28.75" unit="arcmin" >
                                           <Description>Location error, statistical only. 90% containment.</Description> </Param>
    <Param name="src_err_50"   value="15.60" unit="arcmin" >
                                           <Description>Location error, statistical only. 50% containment.</Description> </Param>
    <Param name="private"      value="0" ucd="meta.number" unit="" >
                                         <Description>Is this notice available only to the AMON team members, not public.</Description> </Param>
    <Param name="retraction"   value="0" ucd="meta.number" unit="" >
                                         <Description>If equal 1, then this event is no longer considered astrophysical.</Description> </Param>
    <Param name="Trigger_ID"   value="0x40" />
    <Param name="Misc_flags"   value="0xac000000" />
    <Group name="Trigger_ID" >
      <Param name="PrivateFlag"    value="false" />
      <Param name="Role"           value="false" />
      <Param name="RetractFlag"    value="false" />
      <Param name="InternalTest"   value="false" />
    </Group>
  </What>
  <WhereWhen>
    <ObsDataLocation>
      <ObservatoryLocation id="GEOLUN" />
      <ObservationLocation>
        <AstroCoordSystem id="UTC-FK5-GEO" />
        <AstroCoords coord_system_id="UTC-FK5-GEO">
          <Time unit="s">
            <TimeInstant>
              <ISOTime>2025-10-17T14:51:20.00</ISOTime>
            </TimeInstant>
          </Time>
          <Position2D unit="deg">
            <Name1>RA</Name1>
            <Name2>Dec</Name2>
            <Value2>
              <C1>105.0600</C1>
              <C2>39.9500</C2>
            </Value2>
            <Error2Radius>0.2600</Error2Radius>
          </Position2D>
        </AstroCoords>
      </ObservationLocation>
    </ObsDataLocation>
  <Description>The RA,Dec coordinates are of the type: source_object.</Description>
  </WhereWhen>
  <How>
    <Description>GCN</Description>
    <Reference uri="http://gcn.gsfc.nasa.gov/gcn/amon.html" type="url" />
    <Reference uri="http://gcn.gsfc.nasa.gov/gcn/amon_nu_em_coinc_events.html" type="url" />
  </How>
  <Why importance="1.0">
    <Inference probability="1.0">
      <Concept>process.variation.burst;em</Concept>
    </Inference>
  </Why>
  <Description>
  </Description>
</voe:VOEvent>
