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

Abstract : 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 203 000 years, equivalent to a significance greater than 5.1 {\sigma}.
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Contributor : Dominique Girod <>
Submitted on : Friday, February 12, 2016 - 10:59:14 AM
Last modification on : Tuesday, November 19, 2019 - 2:39:28 AM

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B.P. Abbott, G. Cagnoli, J. Degallaix, V. Dolique, R. Flaminio, et al.. GW150914: First results from the search for binary black hole coalescence with Advanced LIGO. Physical Review D, American Physical Society, 2016, 93, pp.122003. ⟨10.1103/PhysRevD.93.122003⟩. ⟨in2p3-01273253⟩

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