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<?xml version="1.0" ?> |
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<voe:VOEvent xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" |
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xmlns:voe="http://www.ivoa.net/xml/VOEvent/v2.0" |
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xsi:schemaLocation="http://www.ivoa.net/xml/VOEvent/v2.0 http://www.ivoa.net/xml/VOEvent/VOEvent-v2.0.xsd" |
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version="2.0" role="test" ivorn="ivo://gwnet/LVC#MS181101ab-1-Preliminary"> |
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<Who> |
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<Date>2018-11-01T22:34:49</Date> |
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<Author> |
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<contactName>LIGO Scientific Collaboration and Virgo Collaboration</contactName> |
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</Author> |
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</Who> |
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<What> |
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<Param name="internal" dataType="int" value="0"> |
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<Description>Indicates whether this event should be distributed to LSC/Virgo members only</Description> |
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</Param> |
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<Param name="Packet_Type" dataType="int" value="150"> |
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<Description>The Notice Type number is assigned/used within GCN, eg type=150 is an LVC_PRELIMINARY notice</Description> |
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</Param> |
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<Param name="Pkt_Ser_Num" dataType="string" value="1"> |
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<Description>A number that increments by 1 each time a new revision is issued for this event</Description> |
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</Param> |
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<Param name="GraceID" dataType="string" value="MS181101ab" ucd="meta.id"> |
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<Description>Identifier in GraceDB</Description> |
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</Param> |
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<Param name="AlertType" dataType="string" value="Preliminary" ucd="meta.version"> |
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<Description>VOEvent alert type</Description> |
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</Param> |
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<Param name="HardwareInj" dataType="int" value="0" ucd="meta.number"> |
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<Description>Indicates that this event is a hardware injection if 1, no if 0</Description> |
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</Param> |
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<Param name="OpenAlert" dataType="int" value="1" ucd="meta.number"> |
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<Description>Indicates that this event is an open alert if 1, no if 0</Description> |
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</Param> |
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<Param name="EventPage" dataType="string" value="https://example.org/superevents/MS181101ab/view/" ucd="meta.ref.url"> |
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<Description>Web page for evolving status of this GW candidate</Description> |
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</Param> |
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<Param name="Instruments" dataType="string" value="H1,L1" ucd="meta.code"> |
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<Description>List of instruments used in analysis to identify this event</Description> |
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</Param> |
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<Param name="FAR" dataType="float" value="9.11069936486e-14" ucd="arith.rate;stat.falsealarm" unit="Hz"> |
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<Description>False alarm rate for GW candidates with this strength or greater</Description> |
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</Param> |
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<Param name="Group" dataType="string" value="CBC" ucd="meta.code"> |
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<Description>Data analysis working group</Description> |
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</Param> |
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<Param name="Pipeline" dataType="string" value="gstlal" ucd="meta.code"> |
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<Description>Low-latency data analysis pipeline</Description> |
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</Param> |
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<Param name="Search" dataType="string" value="MDC" ucd="meta.code"> |
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<Description>Specific low-latency search</Description> |
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</Param> |
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<Group type="GW_SKYMAP" name="bayestar"> |
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<Param name="skymap_fits" dataType="string" value="https://emfollow.docs.ligo.org/userguide/_static/bayestar.fits.gz" ucd="meta.ref.url"> |
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<Description>Sky Map FITS</Description> |
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</Param> |
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</Group> |
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<Group type="Classification"> |
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<Description>Source classification: binary neutron star (BNS), neutron star-black hole (NSBH), binary black hole (BBH), MassGap, or terrestrial (noise)</Description> |
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<Param name="BNS" dataType="float" value="0.95" ucd="stat.probability"> |
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<Description>Probability that the source is a binary neutron star merger (both objects lighter than 3 solar masses)</Description> |
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</Param> |
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<Param name="NSBH" dataType="float" value="0.01" ucd="stat.probability"> |
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<Description>Probability that the source is a neutron star-black hole merger (primary heavier than 5 solar masses, secondary lighter than 3 solar masses)</Description> |
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</Param> |
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<Param name="BBH" dataType="float" value="0.03" ucd="stat.probability"> |
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<Description>Probability that the source is a binary black hole merger (both objects heavier than 5 solar masses)</Description> |
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</Param> |
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<Param name="MassGap" dataType="float" value="0.0" ucd="stat.probability"> |
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<Description>Probability that the source has at least one object between 3 and 5 solar masses</Description> |
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</Param> |
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<Param name="Terrestrial" dataType="float" value="0.01" ucd="stat.probability"> |
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<Description>Probability that the source is terrestrial (i.e., a background noise fluctuation or a glitch)</Description> |
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</Param> |
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</Group> |
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<Group type="Properties"> |
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<Description>Qualitative properties of the source, conditioned on the assumption that the signal is an astrophysical compact binary merger</Description> |
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<Param name="HasNS" dataType="float" value="0.95" ucd="stat.probability"> |
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<Description>Probability that at least one object in the binary has a mass that is less than 2.83 solar masses</Description> |
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</Param> |
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<Param name="HasRemnant" dataType="float" value="0.91" ucd="stat.probability"> |
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<Description>Probability that a nonzero mass was ejected outside the central remnant object</Description> |
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</Param> |
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</Group> |
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</What> |
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<WhereWhen> |
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<ObsDataLocation> |
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<ObservatoryLocation id="LIGO Virgo"/> |
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<ObservationLocation> |
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<AstroCoordSystem id="UTC-FK5-GEO"/> |
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<AstroCoords coord_system_id="UTC-FK5-GEO"> |
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<Time> |
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<TimeInstant> |
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<ISOTime>2018-11-01T22:22:46.654437</ISOTime> |
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</TimeInstant> |
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</Time> |
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</AstroCoords> |
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</ObservationLocation> |
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</ObsDataLocation> |
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</WhereWhen> |
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<How> |
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<Description>Candidate gravitational wave event identified by low-latency analysis</Description> |
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<Description>H1: LIGO Hanford 4 km gravitational wave detector</Description> |
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<Description>L1: LIGO Livingston 4 km gravitational wave detector</Description> |
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</How> |
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<Description>Report of a candidate gravitational wave event</Description> |
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</voe:VOEvent> |