{
    "object": {
        "voevent_type": "PR",
        "file_version": 0,
        "ivorn": "ivo://gwnet/gcn_sender#M297123-1-Preliminary",
        "file": "https://gracedb.ligo.org/api/events/M297123/files/M297123-1-Preliminary.xml,0",
        "created": "2017-08-11T03:16:11.161794+00:00",
        "text": "<?xml version=\"1.0\" ?>\n<voe:VOEvent xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\"\nxmlns:voe=\"http://www.ivoa.net/xml/VOEvent/v2.0\"\nxsi:schemaLocation=\"http://www.ivoa.net/xml/VOEvent/v2.0 http://www.ivoa.net/xml/VOEvent/VOEvent-v2.0.xsd\"\n version=\"2.0\" role=\"test\" ivorn=\"ivo://gwnet/gcn_sender#M297123-1-Preliminary\">\n    <Who>\n        <Date>2017-08-11T03:16:11</Date>\n        <Author>\n            <contactName>LIGO Scientific Collaboration and Virgo Collaboration</contactName>\n        </Author>\n    </Who>\n    <What>\n        <Param name=\"internal\" dataType=\"int\" value=\"1\">\n            <Description>Indicates whether this event should be distributed to LSC/Virgo members only</Description>\n        </Param>\n        <Param name=\"Pkt_Ser_Num\" dataType=\"string\" value=\"1\"/>\n        <Param name=\"GraceID\" dataType=\"string\" value=\"M297123\" ucd=\"meta.id\">\n            <Description>Identifier in GraceDB</Description>\n        </Param>\n        <Param name=\"AlertType\" dataType=\"string\" value=\"Preliminary\" ucd=\"meta.version\" unit=\"\">\n            <Description>VOEvent alert type</Description>\n        </Param>\n        <Param name=\"Retraction\" dataType=\"string\" value=\"false\" ucd=\"meta.code\" unit=\"\">\n            <Description>Set to true if the event is retracted.</Description>\n        </Param>\n        <Param name=\"HardwareInj\" dataType=\"int\" value=\"0\" ucd=\"meta.number\" unit=\"\">\n            <Description>Indicates that this event is a hardware injection if 1, no if 0</Description>\n        </Param>\n        <Param name=\"Vetted\" dataType=\"int\" value=\"0\" ucd=\"meta.number\" unit=\"\">\n            <Description>Indicates whether this candidate has undergone basic vetting by humans</Description>\n        </Param>\n        <Param name=\"OpenAlert\" dataType=\"int\" value=\"0\" ucd=\"meta.number\" unit=\"\">\n            <Description>Indicates that this event is an open alert if 1, no if 0</Description>\n        </Param>\n        <Param name=\"EventPage\" dataType=\"string\" value=\"https://gracedb.ligo.org/events/M297123\" ucd=\"meta.ref.url\">\n            <Description>Web page for evolving status of this candidate event</Description>\n        </Param>\n        <Param name=\"Instruments\" dataType=\"string\" value=\"H1,L1\" ucd=\"meta.code\">\n            <Description>List of instruments used in analysis to identify this event</Description>\n        </Param>\n        <Param name=\"FAR\" dataType=\"float\" value=\"9.11069936486e-14\" ucd=\"arith.rate;stat.falsealarm\" unit=\"Hz\">\n            <Description>False alarm rate for GW candidates with this strength or greater</Description>\n        </Param>\n        <Param name=\"Group\" dataType=\"string\" value=\"CBC\" ucd=\"meta.code\" unit=\"\">\n            <Description>Data analysis working group</Description>\n        </Param>\n        <Param name=\"Pipeline\" dataType=\"string\" value=\"gstlal\" ucd=\"meta.code\" unit=\"\">\n            <Description>Low-latency data analysis pipeline</Description>\n        </Param>\n        <Param name=\"Search\" dataType=\"string\" value=\"MDC\" ucd=\"meta.code\" unit=\"\">\n            <Description>Specific low-latency search</Description>\n        </Param>\n    </What>\n    <WhereWhen>\n        <ObsDataLocation>\n            <ObservatoryLocation id=\"LIGO Virgo\"/>\n            <ObservationLocation>\n                <AstroCoordSystem id=\"UTC-FK5-GEO\"/>\n                <AstroCoords coord_system_id=\"UTC-FK5-GEO\">\n                    <Time>\n                        <TimeInstant>\n                            <ISOTime>2017-08-11T03:15:50.889696</ISOTime>\n                        </TimeInstant>\n                    </Time>\n                </AstroCoords>\n            </ObservationLocation>\n        </ObsDataLocation>\n    </WhereWhen>\n    <How>\n        <Description>Candidate gravitational wave event identified by low-latency analysis</Description>\n        <Description>H1: LIGO Hanford 4 km gravitational wave detector</Description>\n        <Description>L1: LIGO Livingston 4 km gravitational wave detector</Description>\n    </How>\n    <Description>Report of a candidate gravitational wave event</Description>\n</voe:VOEvent>\n\n",
        "self": "https://gracedb.ligo.org/api/events/M297123/voevent/1",
        "issuer": {
            "username": "gracedb.processor",
            "display_name": " GraceDB Processor"
        },
        "filename": "M297123-1-Preliminary.xml",
        "N": 1
    },
    "uid": "M297123",
    "labels": [

    ],
    "alert_type": "update",
    "file": "M297123-1-Preliminary.xml",
    "description": "VOEVENT: M297123-1-Preliminary.xml"
}
