GW150914: First results from the search for binary black hole coalescence with Advanced LIGO.
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ThomasP ThomasK A ThorneK S ThorneE ThraneS TiwariV TiwariK V TokmakovC TomlinsonM TonelliC V TorresC I TorrieD TöyräF TravassoG TraylorD TrifiròM C TringaliL TrozzoM TseM TurconiD TuyenbayevD UgoliniC S UnnikrishnanA L UrbanS A UsmanH VahlbruchG VajenteG ValdesN van BakelM van BeuzekomJ F J van den BrandC Van Den BroeckD C Vander-HydeL van der SchaafJ V van HeijningenA A van VeggelM VardaroS VassM VasúthR VaulinA VecchioG VedovatoJ VeitchP J VeitchK VenkateswaraD VerkindtF VetranoA ViceréS VinciguerraD J VineJ-Y VinetS VitaleT VoH VoccaC VorvickD VossW D VousdenS P VyatchaninA R WadeL E WadeM WadeM WalkerL WallaceS WalshG WangH WangM WangX WangY WangR L WardJ WarnerM WasB WeaverL-W WeiM WeinertA J WeinsteinR WeissT WelbornL WenP WeßelsM WestT WestphalK WetteJ T WhelanD J WhiteB F WhitingK WiesnerR D WilliamsA R WilliamsonJ L WillisB WillkeM H WimmerW WinklerC C WipfA G WisemanH WittelG WoanJ WordenJ L WrightG WuJ YablonW YamH YamamotoC C YanceyM J YapH YuM YvertA ZadrożnyL ZangrandoM ZanolinJ-P ZendriM ZevinF ZhangL ZhangM ZhangY ZhangC ZhaoM ZhouZ ZhouX J ZhuM E ZuckerS E ZurawJ Zweizignull nullPublished in: Physical review. D. (2016) (2016)
On September 14, 2015 at 09:50:45 UTC the two detectors of the Laser Interferometer Gravitational-wave Observatory (LIGO) simultaneously observed the binary black hole merger GW150914. We report the results of a matched-filter search using relativistic models of compact-object binaries that recovered GW150914 as the most significant event during the coincident observations between the two LIGO detectors from September 12 to October 20, 2015. GW150914 was observed with a matched filter signal-to-noise ratio of 24 and a false alarm rate estimated to be less than 1 event per 203000 years, equivalent to a significance greater than 5.1 σ.