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American Physical Society, Physical Review D, 12(93), 2016

DOI: 10.1103/physrevd.93.122003

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

Journal article published in 2016 by R. Abbott, Joris V. van Heijningen, N. van Bakel, M. van Beuzekom, Jfj F. J.~F.~J van den Brand, L. van der Schaaf, Aa A.~A van Veggel, T. D. Abbott, A. Zadro zny Zadro zny, A. Zadro?ny, Abbott T. D, Benjamin P. Abbott, Adhikari R. X, Adya V. B, Altin P. A and other authors.
This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Data provided by SHERPA/RoMEO

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 203000 years, equivalent to a significance greater than 5.1 sigma.