GW150914: First results from the search for binary black hole coalescence with Advanced LIGO

the LIGO Scientific Collaboration and the Virgo Collaboration

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Abstract

On September 14, 2015, at 0950:45 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.

Original languageEnglish
Article number122003
Number of pages21
JournalPhysical Review D
Volume93
Issue number12
DOIs
Publication statusPublished - 7 Jun 2016

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