article Open Access (hybrid) EN 2016-02-11

Observation of Gravitational Waves from a Binary Black Hole Merger

B. P. Abbott, R. Abbott, T. D. Abbott, M. R. Abernathy, F. Acernese, K. Ackley, C. Adams, T. Adams, P. Addesso, R. X. Adhikari, V. B. Adya, C. Affeldt, M. Agathos, K. Agatsuma, N. Aggarwal, O. D. Aguiar, L. Aiello, A. Ain, P. Ajith, B. Allen, A. Allocca, P. A. Altin, S. B. Anderson, W. G. Anderson, K. Arai, M. A. Arain, M. C. Araya, C. C. Arceneaux, J. S. Areeda, N. Arnaud, K. G. Arun, S. Ascenzi, G. Ashton, M. Ast, S. M. Aston, P. Astone, P. Aufmuth, C. Aulbert, S. Babak, P. Bacon, M. K. M. Bader, P. T. Baker, F. Baldaccini, G. Ballardin, S. W. Ballmer, J. C. Barayoga, S. E. Barclay, B. C. Barish, D. Barker, F. Barone, B. Barr, L. Barsotti, M. Barsuglia, D. Barta, J. Bartlett, M. A. Barton, I. Bartos, R. Bassiri, A. Basti, J. C. Batch, C. Baune, V. Bavigadda, M. Bazzan, B. Behnke, M. Bejger, Krzysztof Belczyński, A. S. Bell, C. Bell, B. K. Berger, J. Bergman, G. Bergmann, C. P. L. Berry, D. Bersanetti, A. Bertolini, J. Betzwieser, S. Bhagwat, R. Bhandare, I. A. Bilenko, G. Billingsley, J. Birch, R. Birney, O. Birnholtz, S. Biscans, A. Bisht, M. Bitossi, C. Biwer, M. A. Bizouard, J. K. Blackburn, C. D. Blair, D. G. Blair, R. M. Blair, S. Bloemen, O. Bock, T. P. Bodiya, M. Boër, G. Bogaert, C. Bogan, A. Bohé, P. Bojtos, C. Bond, F. Bondu, R. Bonnand, B. A. Boom, R. Bork, V. Boschi, S. Bose, Y. Bouffanais, A. Bozzi, C. Bradaschia, P. R. Brady, V. B. Braginsky, M. Branchesi, J. E. Brau, T. Briant, A. Brillet, M. Brinkmann, V. Brisson, P. Brockill, A. F. Brooks, D. Brown, D. Brown, N. M. Brown, C. C. Buchanan, A. Buikema, T. Bulik, H. J. Bulten, A. Buonanno, D. Buskulic, C. Buy, R. L. Byer, M. Cabero, L. Cadonati, G. Cagnoli, C. Cahillane, J. Calderón Bustillo, T. A. Callister, E. Calloni, J. B. Camp, K. C. Cannon, J. Cao, C. D. Capano, E. Capocasa, F. Carbognani, S. Caride, J. Casanueva Diaz, C. Casentini, S. Caudill, M. Cavaglià, F. Cavalier, R. Cavalieri, G. Cella, C. Cepeda, L. Cerboni Baiardi, G. Cerretani, E. Cesarini, R. Chakraborty, T. 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Physical Review Letters, Vol. 116, Issue 6, pp. 061102–061102 (2016)

California Institute of Technology, LIGO Scientific Collaboration, Louisiana State University, University of Salerno, Istituto Nazionale di Fisica Nucleare, Sezione di Napoli, University of Florida, Université Savoie Mont Blanc, Max Planck Institute for Gravitational Physics, National Institute for Subatomic Physics, Massachusetts Institute of Technology, Instituto Nacional de Pesquisas Espaciais, Istituto Nazionale di Fisica Nucleare, Roma Tor Vergata, Gran Sasso Science Institute, Inter-University Centre for Astronomy and Astrophysics, Tata Institute of Fundamental Research, International Centre for Theoretical Sciences, Leibniz University Hannover, University of Wisconsin–Milwaukee, University of Pisa, Istituto Nazionale di Fisica Nucleare, Sezione di Pisa, Australian National University, University of Mississippi, California State University, Fullerton, Université Paris-Sud, Chennai Mathematical Institute, University of Rome Tor Vergata, University of Southampton, Universität Hamburg, Istituto Nazionale di Fisica Nucleare, Sezione di Roma I, Délégation Paris 7, Université Paris Cité, Montana State University, University of Perugia, Istituto Nazionale di Fisica Nucleare, Sezione di Perugia, European Gravitational Observatory, Syracuse University, University of Glasgow, HUN-REN Wigner Research Centre for Physics, Columbia University, Stanford University, University of Padua, Istituto Nazionale di Fisica Nucleare, Sezione di Padova, Astronomical Observatory, University of Warsaw, University of Birmingham, Istituto Nazionale di Fisica Nucleare, Sezione di Genova, University of Genoa, Raja Ramanna Centre for Advanced Technology, Lomonosov Moscow State University, Moscow State University, University of the West of Scotland, The University of Western Australia, Radboud University Nijmegen, Université Côte d'Azur, Observatoire de la Côte d’Azur, Eötvös Loránd University, Centre National de la Recherche Scientifique, Institut de Physique de Rennes, Université de Rennes, Washington State University, University of Urbino, Istituto Nazionale di Fisica Nucleare, Sezione di Firenze, University of Oregon, Sorbonne Université, Vrije Universiteit Amsterdam, University of Maryland, College Park, Georgia Institute of Technology, Université de Lyon, Fundació Universitat-Empresa de les Illes Balears, Universitat de les Illes Balears, University of Naples Federico II, Goddard Space Flight Center, University of Toronto, Canadian Institute for Theoretical Astrophysics, Tsinghua University, Texas Tech University, Pennsylvania State University, National Tsing Hua University, Charles Sturt University, University of Chicago, Korea Institute of Science & Technology Information, Carleton College, Sapienza University of Rome, Sonoma State University, Northwestern University, The University of Texas Rio Grande Valley, University of Minnesota, University of Minnesota System, The University of Melbourne, University of Sheffield, University of Sannio, Montclair State University, University of Trento, Istituto Nazionale di Fisica Nucleare, Trento Institute for Fundamental Physics And Applications, Cardiff University, National Astronomical Observatory of Japan, University of Edinburgh, Indian Institute of Technology Gandhinagar, Institute for Plasma Research, University of Szeged, Embry–Riddle Aeronautical University, University of Michigan, Rutherford Appleton Laboratory, American University, Rochester Institute of Technology, University of Massachusetts Amherst, The University of Adelaide, West Virginia University, University of Białystok, University of Strathclyde, Indian Institute of Science Education and Research Thiruvananthapuram, Institute of Applied Physics, Pusan National University, Hanyang University, Institute of Mathematics, National Centre for Nuclear Research, Australian Regenerative Medicine Institute, Monash University, Seoul National University, University of Alabama in Huntsville, ESPCI Paris, Università di Camerino, Southern University and Agricultural and Mechanical College, William & Mary, Williams (United States), American Institute for Economic Research, ICTP South American Institute for Fundamental Research, University of Cambridge, Indian Institute of Science Education and Research Kolkata, Whitman College, National Institute for Mathematical Sciences, Hobart and William Smith Colleges, University of Zielona Góra, Andrews University, University of Siena, Trinity University, University of Washington, Kenyon College, Abilene Christian University
DOI: 10.1103/physrevlett.116.061102 PMID: 26918975

Abstract

On September 14, 2015 at 09:50:45 UTC the two detectors of the Laser Interferometer Gravitational-Wave Observatory simultaneously observed a transient gravitational-wave signal. The signal sweeps upwards in frequency from 35 to 250 Hz with a peak gravitational-wave strain of 1.0×10(-21). It matches the waveform predicted by general relativity for the inspiral and merger of a pair of black holes and the ringdown of the resulting single black hole. The signal 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 5.1σ. The source lies at a luminosity distance of 410(-180)(+160) Mpc corresponding to a redshift z=0.09(-0.04)(+0.03). In the source frame, the initial black hole masses are 36(-4)(+5)M⊙ and 29(-4)(+4)M⊙, and the final black hole mass is 62(-4)(+4)M⊙, with 3.0(-0.5)(+0.5)M⊙c(2) radiated in gravitational waves. All uncertainties define 90% credible intervals. These observations demonstrate the existence of binary stellar-mass black hole systems. This is the first direct detection of gravitational waves and the first observation of a binary black hole merger.

Topics

Pulsars and Gravitational Waves Research 1.00 Black Holes and Theoretical Physics 1.00 Cosmology and Gravitation Theories 1.00

Field: Physics and Astronomy · Subfield: Astronomy and Astrophysics

Keywords

Gravitational wave,Physics,Binary number,Binary black hole,Black hole (networking),Astrophysics,Astronomy,Classical mechanics,Computer science

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