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GW170608: Observation of a 19 Solar-mass Binary Black Hole Coalescence

B. P. AbbottLIGO, California Institute of Technology, Pasadena, CA 91125, USAR. AbbottLIGO, California Institute of Technology, Pasadena, CA 91125, USAT. D. AbbottLouisiana State University, Baton Rouge, LA 70803, USAF. AcerneseINFN, Sezione di Napoli, Complesso Universitario di Monte S.Angelo, I-80126 Napoli, ItalyK. AckleyOzGrav, School of Physics & Astronomy, Monash University, Clayton, Victoria, 3800, AustraliaC. AdamsLIGO Livingston Observatory, Livingston, LA 70754, USAT. AdamsLaboratoire d'Annecy-le-Vieux de Physique des Particules (LAPP), Université Savoie Mont Blanc, CNRS/IN2P3, F-74941 Annecy, FranceP. AddessoINFN, Sezione di Napoli, I-80100 Napoli, ItalyR. X. AdhikariLIGO, California Institute of Technology, Pasadena, CA 91125, USAV. B. AdyaMax Planck Institute for Gravitational Physics (Albert Einstein Institute), D-30167 Hannover, GermanyC. AffeldtMax Planck Institute for Gravitational Physics (Albert Einstein Institute), D-30167 Hannover, GermanyM. AfroughThe University of Mississippi, University, MS 38677, USAB. AgarwalNCSA, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USAM. AgathosUniversity of Cambridge, Cambridge CB2 1TN, UKK. AgatsumaNikhef, Science Park, 1098 XG Amsterdam, The NetherlandsN. AggarwalLIGO, Massachusetts Institute of Technology, Cambridge, MA 02139, USAO. D. AguiarInstituto Nacional de Pesquisas Espaciais, José dos Campos, São Paulo 12227-010 São, BrazilL. AielloGran Sasso Science Institute (GSSI), I-67100 L'Aquila, ItalyA. AinInter-University Centre for Astronomy and Astrophysics, Pune 411007, IndiaP. AjithInternational Centre for Theoretical Sciences, Tata Institute of Fundamental Research, Bengaluru 560089, IndiaB. AllenUniversity of Wisconsin-Milwaukee, Milwaukee, WI 53201, USAA. AlloccaINFN, Sezione di Pisa, I-56127 Pisa, ItalyP. A. AltinOzGrav, Australian National University, Canberra, ACT 0200, AustraliaA. AmatoLaboratoire des Matériaux Avancés (LMA), CNRS/IN2P3, F-69622 Villeurbanne, FranceA. AnanyevaLIGO, California Institute of Technology, Pasadena, CA 91125, USAS. B. AndersonLIGO, California Institute of Technology, Pasadena, CA 91125, USAW. G. AndersonUniversity of Wisconsin-Milwaukee, Milwaukee, WI 53201, USAS. V. AngelovaSUPA, University of the West of Scotland, Paisley PA1 2BE, UKS. AntierLAL, Univ. Paris-Sud, CNRS/IN2P3, Université Paris-Saclay, F-91898 Orsay, FranceS. AppertLIGO, California Institute of Technology, Pasadena, CA 91125, USAK. AraiLIGO, California Institute of Technology, Pasadena, CA 91125, USAM. C. ArayaLIGO, California Institute of Technology, Pasadena, CA 91125, USAJ. S. AreedaCalifornia State University Fullerton, Fullerton, CA 92831, USAN. ArnaudEuropean Gravitational Observatory (EGO), I-56021 Cascina, Pisa, ItalyK. G. ArunChennai Mathematical Institute, Chennai 603103, IndiaS. AscenziUniversità di Roma Tor Vergata, I-00133 Roma, ItalyG. AshtonMax Planck Institute for Gravitational Physics (Albert Einstein Institute), D-30167 Hannover, GermanyM. AstUniversität Hamburg, D-22761 Hamburg, GermanyS. M. AstonLIGO Livingston Observatory, Livingston, LA 70754, USAP. AstoneINFN, Sezione di Roma, I-00185 Roma, ItalyD. V. AtallahCardiff University, Cardiff CF24 3AA, UKP. AufmuthLeibniz Universität Hannover, D-30167 Hannover, GermanyC. AulbertMax Planck Institute for Gravitational Physics (Albert Einstein Institute), D-30167 Hannover, GermanyK. AultONealEmbry-Riddle Aeronautical University, Prescott, AZ 86301, USAC. AustinLouisiana State University, Baton Rouge, LA 70803, USAA. Avila-AlvarezCalifornia State University Fullerton, Fullerton, CA 92831, USAS. BabakMax Planck Institute for Gravitational Physics (Albert Einstein Institute), D-14476 Potsdam-Golm, GermanyP. BaconAPC, AstroParticule et Cosmologie, Université Paris Diderot, CNRS/IN2P3, CEA/Irfu, Observatoire de Paris, Sorbonne Paris Cité, F-75205 Paris Cedex 13, FranceM. K. M. BaderNikhef, Science Park, 1098 XG Amsterdam, The NetherlandsS. BaeKorea Institute of Science and Technology Information, Daejeon 34141, KoreaP. T. BakerWest Virginia University, Morgantown, WV 26506, USAF. BaldacciniUniversità di Perugia, I-06123 Perugia, ItalyG. BallardinEuropean Gravitational Observatory (EGO), I-56021 Cascina, Pisa, ItalyS. W. BallmerSyracuse University, Syracuse, NY 13244, USAS. BanagiriUniversity of Minnesota, Minneapolis, MN 55455, USAJ. C. BarayogaLIGO, California Institute of Technology, Pasadena, CA 91125, USAS. E. BarclaySUPA, University of Glasgow, Glasgow G12 8QQ, UKB. C. BarishLIGO, California Institute of Technology, Pasadena, CA 91125, USAD. BarkerK. BarkettCaltech CaRT, Pasadena, CA 91125, USAF. BaroneINFN, Sezione di Napoli, Complesso Universitario di Monte S.Angelo, I-80126 Napoli, ItalyB. BarrSUPA, University of Glasgow, Glasgow G12 8QQ, UKL. BarsottiLIGO, Massachusetts Institute of Technology, Cambridge, MA 02139, USAM. BarsugliaUniversité Paris CitéD. BartaWigner RCP, RMKI, H-1121 Budapest, Konkoly Thege Miklós út 29-33, HungaryJ. BartlettI. BartosColumbia University, New York, NY 10027, USAR. BassiriStanford University, Stanford, CA 94305, USAA. BastiINFN, Sezione di Pisa, I-56127 Pisa, ItalyJ. C. BatchM. BawajUniversità di Camerino, Dipartimento di Fisica, I-62032 Camerino, ItalyJ. C. BayleySUPA, University of Glasgow, Glasgow G12 8QQ, UKM. BazzanINFN, Sezione di Padova, I-35131 Padova, ItalyB. BécsyInstitute of Physics, Eötvös University, Pázmány P.s. 1/A, Budapest 1117, HungaryC. BeerMax Planck Institute for Gravitational Physics (Albert Einstein Institute), D-30167 Hannover, GermanyM. BejgerNicolaus Copernicus Astronomical Center, Polish Academy of Sciences, 00-716, Warsaw, PolandI. BelahceneLAL, Univ. Paris-Sud, CNRS/IN2P3, Université Paris-Saclay, F-91898 Orsay, FranceA. S. BellSUPA, University of Glasgow, Glasgow G12 8QQ, UKB. K. BergerLIGO, California Institute of Technology, Pasadena, CA 91125, USAG. BergmannMax Planck Institute for Gravitational Physics (Albert Einstein Institute), D-30167 Hannover, GermanyJ. J. BeroRochester Institute of Technology, Rochester, NY 14623, USAC. P. L. BerryUniversity of Birmingham, Birmingham B15 2TT, UKD. BersanettiINFN, Sezione di Genova, I-16146 Genova, ItalyA. BertoliniNikhef, Science Park, 1098 XG Amsterdam, The NetherlandsJ. BetzwieserLIGO Livingston Observatory, Livingston, LA 70754, USAS. BhagwatSyracuse University, Syracuse, NY 13244, USAR. BhandareRRCAT, Indore MP 452013, IndiaI. A. BilenkoFaculty of Physics, Lomonosov Moscow State University, Moscow 119991, RussiaG. BillingsleyLIGO, California Institute of Technology, Pasadena, CA 91125, USAC. R. BillmanUniversity of Florida, Gainesville, FL 32611, USAJ. BirchLIGO Livingston Observatory, Livingston, LA 70754, USAR. BirneySUPA, University of Strathclyde, Glasgow G1 1XQ, UKO. BirnholtzMax Planck Institute for Gravitational Physics (Albert Einstein Institute), D-30167 Hannover, GermanyS. BiscansLIGO, California Institute of Technology, Pasadena, CA 91125, USAS. BiscoveanuThe Pennsylvania State University, University Park, PA 16802, USAA. BishtLeibniz Universität Hannover, D-30167 Hannover, GermanyM. BitossiINFN, Sezione di Pisa, I-56127 Pisa, ItalyC. BiwerSyracuse University, Syracuse, NY 13244, USAM. A. BizouardLAL, Univ. Paris-Sud, CNRS/IN2P3, Université Paris-Saclay, F-91898 Orsay, France

2017en

ABI

Annotatsiya

Abstract On 2017 June 8 at 02:01:16.49 UTC, a gravitational-wave (GW) signal from the merger of two stellar-mass black holes was observed by the two Advanced Laser Interferometer Gravitational-Wave Observatory detectors with a network signal-to-noise ratio of 13. This system is the lightest black hole binary so far observed, with component masses of <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" overflow="scroll"> <mml:msubsup> <mml:mrow> <mml:mn>12</mml:mn> </mml:mrow> <mml:mrow> <mml:mo>−</mml:mo> <mml:mn>2</mml:mn> </mml:mrow> <mml:mrow> <mml:mo>+</mml:mo> <mml:mn>7</mml:mn> </mml:mrow> </mml:msubsup> <mml:mspace width="0.25em"/> <mml:msub> <mml:mrow> <mml:mi>M</mml:mi> </mml:mrow> <mml:mrow> <mml:mo>⊙</mml:mo> </mml:mrow> </mml:msub> </mml:math> and <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" overflow="scroll"> <mml:msubsup> <mml:mrow> <mml:mn>7</mml:mn> </mml:mrow> <mml:mrow> <mml:mo>−</mml:mo> <mml:mn>2</mml:mn> </mml:mrow> <mml:mrow> <mml:mo>+</mml:mo> <mml:mn>2</mml:mn> </mml:mrow> </mml:msubsup> <mml:mspace width="0.25em"/> <mml:msub> <mml:mrow> <mml:mi>M</mml:mi> </mml:mrow> <mml:mrow> <mml:mo>⊙</mml:mo> </mml:mrow> </mml:msub> </mml:math> (90% credible intervals). These lie in the range of measured black hole masses in low-mass X-ray binaries, thus allowing us to compare black holes detected through GWs with electromagnetic observations. The source’s luminosity distance is <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" overflow="scroll"> <mml:msubsup> <mml:mrow> <mml:mn>340</mml:mn> </mml:mrow> <mml:mrow> <mml:mo>−</mml:mo> <mml:mn>140</mml:mn> </mml:mrow> <mml:mrow> <mml:mo>+</mml:mo> <mml:mn>140</mml:mn> </mml:mrow> </mml:msubsup> <mml:mspace width="0.25em"/> <mml:mi>Mpc</mml:mi> </mml:math> , corresponding to redshift <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" overflow="scroll"> <mml:msubsup> <mml:mrow> <mml:mn>0.07</mml:mn> </mml:mrow> <mml:mrow> <mml:mo>−</mml:mo> <mml:mn>0.03</mml:mn> </mml:mrow> <mml:mrow> <mml:mo>+</mml:mo> <mml:mn>0.03</mml:mn> </mml:mrow> </mml:msubsup> </mml:math> . We verify that the signal waveform is consistent with the predictions of general relativity.

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DOI: 10.3847/2041-8213/aa9f0c

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