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Phys Rev Lett. 2017 Jun 02;118(22):221101. doi: 10.1103/PhysRevLett.118.221101. Epub 2017 Jun 01.

GW170104: Observation of a 50-Solar-Mass Binary Black Hole Coalescence at Redshift 0.2.

Physical review letters

B P Abbott, R Abbott, T D Abbott, F Acernese, K Ackley, C Adams, T Adams, P Addesso, R X Adhikari, V B Adya, C Affeldt, M Afrough, B Agarwal, M Agathos, K Agatsuma, N Aggarwal, O D Aguiar, L Aiello, A Ain, P Ajith, B Allen, G Allen, A Allocca, P A Altin, A Amato, A Ananyeva, S B Anderson, W G Anderson, S Antier, S Appert, K Arai, M C Araya, J S Areeda, N Arnaud, K G Arun, S Ascenzi, G Ashton, M Ast, S M Aston, P Astone, P Aufmuth, C Aulbert, K AultONeal, A Avila-Alvarez, S Babak, P Bacon, M K M Bader, S Bae, P T Baker, F Baldaccini, G Ballardin, S W Ballmer, S Banagiri, J C Barayoga, S E Barclay, B C Barish, D Barker, F Barone, B Barr, L Barsotti, M Barsuglia, D Barta, J Bartlett, I Bartos, R Bassiri, A Basti, J C Batch, C Baune, M Bawaj, M Bazzan, B Bécsy, C Beer, M Bejger, I Belahcene, A S Bell, B K Berger, G Bergmann, C P L Berry, D Bersanetti, A Bertolini, J Betzwieser, S Bhagwat, R Bhandare, I A Bilenko, G Billingsley, C R Billman, J Birch, R Birney, O Birnholtz, S Biscans, A Bisht, M Bitossi, C Biwer, M A Bizouard, J K Blackburn, J Blackman, C D Blair, D G Blair, R M Blair, S Bloemen, O Bock, N Bode, M Boer, G Bogaert, A Bohe, 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, J E Broida, A F Brooks, D A Brown, D D Brown, N M Brown, S Brunett, 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, M Canepa, P Canizares, K C Cannon, H Cao, J Cao, C D Capano, E Capocasa, F Carbognani, S Caride, M F Carney, J Casanueva Diaz, C Casentini, S Caudill, M Cavaglià, F Cavalier, R Cavalieri, G Cella, C B Cepeda, L Cerboni Baiardi, G Cerretani, E Cesarini, S J Chamberlin, M Chan, S Chao, P Charlton, E Chassande-Mottin, D Chatterjee, K Chatziioannou, B D Cheeseboro, H Y Chen, Y Chen, H-P Cheng, A Chincarini, A Chiummo, T Chmiel, H S Cho, M Cho, J H Chow, N Christensen, Q Chu, A J K Chua, S Chua, A K W Chung, S Chung, G Ciani, R Ciolfi, C E Cirelli, A Cirone, F Clara, J A Clark, F Cleva, C Cocchieri, E Coccia, P-F Cohadon, A Colla, C G Collette, L R Cominsky, M Constancio, L Conti, S J Cooper, P Corban, T R Corbitt, K R Corley, N Cornish, A Corsi, S Cortese, C A Costa, M W Coughlin, S B Coughlin, J-P Coulon, S T Countryman, P Couvares, P B Covas, E E Cowan, D M Coward, M J Cowart, D C Coyne, R Coyne, J D E Creighton, T D Creighton, J Cripe, S G Crowder, T J Cullen, A Cumming, L Cunningham, E Cuoco, T Dal Canton, S L Danilishin, S D'Antonio, K Danzmann, A Dasgupta, C F Da Silva Costa, V Dattilo, I Dave, M Davier, D Davis, E J Daw, B Day, S De, D DeBra, E Deelman, J Degallaix, M De Laurentis, S Deléglise, W Del Pozzo, T Denker, T Dent, V Dergachev, R De Rosa, R T DeRosa, R DeSalvo, J Devenson, R C Devine, S Dhurandhar, M C Díaz, L Di Fiore, M Di Giovanni, T Di Girolamo, A Di Lieto, S Di Pace, I Di Palma, F Di Renzo, Z Doctor, V Dolique, F Donovan, K L Dooley, S Doravari, I Dorrington, R Douglas, M Dovale Álvarez, T P Downes, M Drago, R W P Drever, J C Driggers, Z Du, M Ducrot, J Duncan, S E Dwyer, T B Edo, M C Edwards, A Effler, H-B Eggenstein, P Ehrens, J Eichholz, S S Eikenberry, R A Eisenstein, R C Essick, Z B Etienne, T Etzel, M Evans, T M Evans, M Factourovich, V Fafone, H Fair, S Fairhurst, X Fan, S Farinon, B Farr, W M Farr, E J Fauchon-Jones, M Favata, M Fays, H Fehrmann, J Feicht, M M Fejer, A Fernandez-Galiana, I Ferrante, E C Ferreira, F Ferrini, F Fidecaro, I Fiori, D Fiorucci, R P Fisher, R Flaminio, M Fletcher, H Fong, P W F Forsyth, S S Forsyth, J-D Fournier, S Frasca, F Frasconi, Z Frei, A Freise, R Frey, V Frey, E M Fries, P Fritschel, V V Frolov, P Fulda, M Fyffe, H Gabbard, M Gabel, B U Gadre, S M Gaebel, J R Gair, L Gammaitoni, M R Ganija, S G Gaonkar, F Garufi, S Gaudio, G Gaur, V Gayathri, N Gehrels, G Gemme, E Genin, A Gennai, D George, J George, L Gergely, V Germain, S Ghonge, Abhirup Ghosh, Archisman Ghosh, S Ghosh, J A Giaime, K D Giardina, A Giazotto, K Gill, L Glover, E Goetz, R Goetz, S Gomes, G González, J M Gonzalez Castro, A Gopakumar, M L Gorodetsky, S E Gossan, M Gosselin, R Gouaty, A Grado, C Graef, M Granata, A Grant, S Gras, C Gray, G Greco, A C Green, P Groot, H Grote, S Grunewald, P Gruning, G M Guidi, X Guo, A Gupta, M K Gupta, K E Gushwa, E K Gustafson, R Gustafson, B R Hall, E D Hall, G Hammond, M Haney, M M Hanke, J Hanks, C Hanna, M D Hannam, O A Hannuksela, J Hanson, T Hardwick, J Harms, G M Harry, I W Harry, M J Hart, C-J Haster, K Haughian, J Healy, A Heidmann, M C Heintze, H Heitmann, P Hello, G Hemming, M Hendry, I S Heng, J Hennig, J Henry, A W Heptonstall, M Heurs, S Hild, D Hoak, D Hofman, K Holt, D E Holz, P Hopkins, C Horst, J Hough, E A Houston, E J Howell, Y M Hu, E A Huerta, D Huet, B Hughey, S Husa, S H Huttner, T Huynh-Dinh, N Indik, D R Ingram, R Inta, G Intini, H N Isa, J-M Isac, M Isi, B R Iyer, K Izumi, T Jacqmin, K Jani, P Jaranowski, S Jawahar, F Jiménez-Forteza, W W Johnson, N K Johnson-McDaniel, D I Jones, R Jones, R J G Jonker, L Ju, J Junker, C V Kalaghatgi, V Kalogera, S Kandhasamy, G Kang, J B Kanner, S Karki, K S Karvinen, M Kasprzack, M Katolik, E Katsavounidis, W Katzman, S Kaufer, K Kawabe, F Kéfélian, D Keitel, A J Kemball, R Kennedy, C Kent, J S Key, F Y Khalili, I Khan, S Khan, Z Khan, E A Khazanov, N Kijbunchoo, Chunglee Kim, J C Kim, W Kim, W S Kim, Y-M Kim, S J Kimbrell, E J King, P J King, R Kirchhoff, J S Kissel, L Kleybolte, S Klimenko, P Koch, S M Koehlenbeck, S Koley, V Kondrashov, A Kontos, M Korobko, W Z Korth, I Kowalska, D B Kozak, C Krämer, V Kringel, B Krishnan, A Królak, G Kuehn, P Kumar, R Kumar, S Kumar, L Kuo, A Kutynia, S Kwang, B D Lackey, K H Lai, M Landry, R N Lang, J Lange, B Lantz, R K Lanza, A Lartaux-Vollard, P D Lasky, M Laxen, A Lazzarini, C Lazzaro, P Leaci, S Leavey, C H Lee, H K Lee, H M Lee, H W Lee, K Lee, J Lehmann, A Lenon, M Leonardi, N Leroy, N Letendre, Y Levin, T G F Li, A Libson, T B Littenberg, J Liu, R K L Lo, N A Lockerbie, L T London, J E Lord, M Lorenzini, V Loriette, M Lormand, G Losurdo, J D Lough, G Lovelace, H Lück, D Lumaca, A P Lundgren, R Lynch, Y Ma, S Macfoy, B Machenschalk, M MacInnis, D M Macleod, I Magaña Hernandez, F Magaña-Sandoval, L Magaña Zertuche, R M Magee, E Majorana, I Maksimovic, N Man, V Mandic, V Mangano, G L Mansell, M Manske, M Mantovani, F Marchesoni, F Marion, S Márka, Z Márka, C Markakis, A S Markosyan, E Maros, F Martelli, L Martellini, I W Martin, D V Martynov, J N Marx, K Mason, A Masserot, T J Massinger, M Masso-Reid, S Mastrogiovanni, A Matas, F Matichard, L Matone, N Mavalvala, R Mayani, N Mazumder, R McCarthy, D E McClelland, S McCormick, L McCuller, S C McGuire, G McIntyre, J McIver, D J McManus, T McRae, S T McWilliams, D Meacher, G D Meadors, J Meidam, E Mejuto-Villa, A Melatos, G Mendell, R A Mercer, E L Merilh, M Merzougui, S Meshkov, C Messenger, C Messick, R Metzdorff, P M Meyers, F Mezzani, H Miao, C Michel, H Middleton, E E Mikhailov, L Milano, A L Miller, A Miller, B B Miller, J Miller, M Millhouse, O Minazzoli, Y Minenkov, J Ming, C Mishra, S Mitra, V P Mitrofanov, G Mitselmakher, R Mittleman, A Moggi, M Mohan, S R P Mohapatra, M Montani, B C Moore, C J Moore, D Moraru, G Moreno, S R Morriss, B Mours, C M Mow-Lowry, G Mueller, A W Muir, Arunava Mukherjee, D Mukherjee, S Mukherjee, N Mukund, A Mullavey, J Munch, E A M Muniz, P G Murray, K Napier, I Nardecchia, L Naticchioni, R K Nayak, G Nelemans, T J N Nelson, M Neri, M Nery, A Neunzert, J M Newport, G Newton, K K Y Ng, T T Nguyen, D Nichols, A B Nielsen, S Nissanke, A Nitz, A Noack, F Nocera, D Nolting, M E N Normandin, L K Nuttall, J Oberling, E Ochsner, E Oelker, G H Ogin, J J Oh, S H Oh, F Ohme, M Oliver, P Oppermann, Richard J Oram, B O'Reilly, R Ormiston, L F Ortega, R O'Shaughnessy, D J Ottaway, H Overmier, B J Owen, A E Pace, J Page, M A Page, A Pai, S A Pai, J R Palamos, O Palashov, C Palomba, A Pal-Singh, H Pan, B Pang, P T H Pang, C Pankow, F Pannarale, B C Pant, F Paoletti, A Paoli, M A Papa, H R Paris, W Parker, D Pascucci, A Pasqualetti, R Passaquieti, D Passuello, B Patricelli, B L Pearlstone, M Pedraza, R Pedurand, L Pekowsky, A Pele, S Penn, C J Perez, A Perreca, L M Perri, H P Pfeiffer, M Phelps, O J Piccinni, M Pichot, F Piergiovanni, V Pierro, G Pillant, L Pinard, I M Pinto, M Pitkin, R Poggiani, P Popolizio, E K Porter, A Post, J Powell, J Prasad, J W W Pratt, V Predoi, T Prestegard, M Prijatelj, M Principe, S Privitera, G A Prodi, L G Prokhorov, O Puncken, M Punturo, P Puppo, M Pürrer, H Qi, J Qin, S Qiu, V Quetschke, E A Quintero, R Quitzow-James, F J Raab, D S Rabeling, H Radkins, P Raffai, S Raja, C Rajan, M Rakhmanov, K E Ramirez, P Rapagnani, V Raymond, M Razzano, J Read, T Regimbau, L Rei, S Reid, D H Reitze, H Rew, S D Reyes, F Ricci, P M Ricker, S Rieger, K Riles, M Rizzo, N A Robertson, R Robie, F Robinet, A Rocchi, L Rolland, J G Rollins, V J Roma, J D Romano, R Romano, C L Romel, J H Romie, D Rosińska, M P Ross, S Rowan, A Rüdiger, P Ruggi, K Ryan, M Rynge, S Sachdev, T Sadecki, L Sadeghian, M Sakellariadou, L Salconi, M Saleem, F Salemi, A Samajdar, L Sammut, L M Sampson, E J Sanchez, V Sandberg, B Sandeen, J R Sanders, B Sassolas, B S Sathyaprakash, P R Saulson, O Sauter, R L Savage, A Sawadsky, P Schale, J Scheuer, E Schmidt, J Schmidt, P Schmidt, R Schnabel, R M S Schofield, A Schönbeck, E Schreiber, D Schuette, B W Schulte, B F Schutz, S G Schwalbe, J Scott, S M Scott, E Seidel, D Sellers, A S Sengupta, D Sentenac, V Sequino, A Sergeev, D A Shaddock, T J Shaffer, A A Shah, M S Shahriar, L Shao, B Shapiro, P Shawhan, A Sheperd, D H Shoemaker, D M Shoemaker, K Siellez, X Siemens, M Sieniawska, D Sigg, A D Silva, A Singer, L P Singer, A Singh, R Singh, A Singhal, A M Sintes, B J J Slagmolen, B Smith, J R Smith, R J E Smith, E J Son, J A Sonnenberg, B Sorazu, F Sorrentino, T Souradeep, A P Spencer, A K Srivastava, A Staley, M Steinke, J Steinlechner, S Steinlechner, D Steinmeyer, B C Stephens, S P Stevenson, R Stone, K A Strain, G Stratta, S E Strigin, R Sturani, A L Stuver, T Z Summerscales, L Sun, S Sunil, P J Sutton, B L Swinkels, M J Szczepańczyk, M Tacca, D Talukder, D B Tanner, M Tápai, A Taracchini, J A Taylor, R Taylor, T Theeg, E G Thomas, M Thomas, P Thomas, K A Thorne, K S Thorne, E Thrane, S Tiwari, V Tiwari, K V Tokmakov, K Toland, M Tonelli, Z Tornasi, C I Torrie, D Töyrä, F Travasso, G Traylor, D Trifirò, J Trinastic, M C Tringali, L Trozzo, K W Tsang, M Tse, R Tso, D Tuyenbayev, K Ueno, D Ugolini, C S Unnikrishnan, A L Urban, S A Usman, K Vahi, H Vahlbruch, G Vajente, G Valdes, M Vallisneri, N van Bakel, M van Beuzekom, J F J van den Brand, C Van Den Broeck, D C Vander-Hyde, L van der Schaaf, J V van Heijningen, A A van Veggel, M Vardaro, V Varma, S Vass, M Vasúth, A Vecchio, G Vedovato, J Veitch, P J Veitch, K Venkateswara, G Venugopalan, D Verkindt, F Vetrano, A Viceré, A D Viets, S Vinciguerra, D J Vine, J-Y Vinet, S Vitale, T Vo, H Vocca, C Vorvick, D V Voss, W D Vousden, S P Vyatchanin, A R Wade, L E Wade, M Wade, R M Wald, R Walet, M Walker, L Wallace, S Walsh, G Wang, H Wang, J Z Wang, M Wang, Y-F Wang, Y Wang, R L Ward, J Warner, M Was, J Watchi, B Weaver, L-W Wei, M Weinert, A J Weinstein, R Weiss, L Wen, E K Wessel, P Weßels, T Westphal, K Wette, J T Whelan, B F Whiting, C Whittle, D Williams, R D Williams, A R Williamson, J L Willis, B Willke, M H Wimmer, W Winkler, C C Wipf, H Wittel, G Woan, J Woehler, J Wofford, K W K Wong, J Worden, J L Wright, D S Wu, G Wu, W Yam, H Yamamoto, C C Yancey, M J Yap, Hang Yu, Haocun Yu, M Yvert, A Zadrożny, M Zanolin, T Zelenova, J-P Zendri, M Zevin, L Zhang, M Zhang, T Zhang, Y-H Zhang, C Zhao, M Zhou, Z Zhou, X J Zhu, A Zimmerman, M E Zucker, J Zweizig,

Affiliations

  1. LIGO, California Institute of Technology, Pasadena, California 91125, USA.
  2. Louisiana State University, Baton Rouge, Louisiana 70803, USA.
  3. Università di Salerno, Fisciano, I-84084 Salerno, Italy.
  4. INFN, Sezione di Napoli, Complesso Universitario di Monte S. Angelo, I-80126 Napoli, Italy.
  5. University of Florida, Gainesville, Florida 32611, USA.
  6. LIGO Livingston Observatory, Livingston, Louisiana 70754, USA.
  7. Laboratoire d'Annecy-le-Vieux de Physique des Particules (LAPP), Université Savoie Mont Blanc, CNRS/IN2P3, F-74941 Annecy, France.
  8. University of Sannio at Benevento, I-82100 Benevento, Italy and INFN, Sezione di Napoli, I-80100 Napoli, Italy.
  9. Albert-Einstein-Institut, Max-Planck-Institut für Gravitationsphysik, D-30167 Hannover, Germany.
  10. The University of Mississippi, University, Mississippi 38677, USA.
  11. NCSA, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA.
  12. University of Cambridge, Cambridge CB2 1TN, United Kingdom.
  13. Nikhef, Science Park, 1098 XG Amsterdam, Netherlands.
  14. LIGO, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA.
  15. Instituto Nacional de Pesquisas Espaciais, 12227-010 São José dos Campos, São Paulo, Brazil.
  16. Gran Sasso Science Institute (GSSI), I-67100 L'Aquila, Italy.
  17. INFN, Sezione di Roma Tor Vergata, I-00133 Roma, Italy.
  18. Inter-University Centre for Astronomy and Astrophysics, Pune 411007, India.
  19. International Centre for Theoretical Sciences, Tata Institute of Fundamental Research, Bengaluru 560089, India.
  20. University of Wisconsin-Milwaukee, Milwaukee, Wisconsin 53201, USA.
  21. Leibniz Universität Hannover, D-30167 Hannover, Germany.
  22. Università di Pisa, I-56127 Pisa, Italy.
  23. INFN, Sezione di Pisa, I-56127 Pisa, Italy.
  24. OzGrav, Australian National University, Canberra, Australian Capital Territory 0200, Australia.
  25. Laboratoire des Matériaux Avancés (LMA), CNRS/IN2P3, F-69622 Villeurbanne, France.
  26. LAL, Univ. Paris-Sud, CNRS/IN2P3, Université Paris-Saclay, F-91898 Orsay, France.
  27. California State University Fullerton, Fullerton, California 92831, USA.
  28. European Gravitational Observatory (EGO), I-56021 Cascina, Pisa, Italy.
  29. Chennai Mathematical Institute, Chennai 603103, India.
  30. Università di Roma Tor Vergata, I-00133 Roma, Italy.
  31. Universität Hamburg, D-22761 Hamburg, Germany.
  32. INFN, Sezione di Roma, I-00185 Roma, Italy.
  33. Embry-Riddle Aeronautical University, Prescott, Arizona 86301, USA.
  34. Albert-Einstein-Institut, Max-Planck-Institut für Gravitationsphysik, D-14476 Potsdam-Golm, Germany.
  35. APC, AstroParticule et Cosmologie, Université Paris Diderot, CNRS/IN2P3, CEA/Irfu, Observatoire de Paris, Sorbonne Paris Cité, F-75205 Paris Cedex 13, France.
  36. Korea Institute of Science and Technology Information, Daejeon 34141, Korea.
  37. West Virginia University, Morgantown, West Virginia 26506, USA.
  38. Center for Gravitational Waves and Cosmology, West Virginia University, Morgantown, West Virginia 26505, USA.
  39. Università di Perugia, I-06123 Perugia, Italy.
  40. INFN, Sezione di Perugia, I-06123 Perugia, Italy.
  41. Syracuse University, Syracuse, New York 13244, USA.
  42. University of Minnesota, Minneapolis, Minnesota 55455, USA.
  43. SUPA, University of Glasgow, Glasgow G12 8QQ, United Kingdom.
  44. LIGO Hanford Observatory, Richland, Washington 99352, USA.
  45. Wigner RCP, RMKI, H-1121 Budapest, Konkoly Thege Miklós út 29-33, Hungary.
  46. Columbia University, New York, New York 10027, USA.
  47. Stanford University, Stanford, California 94305, USA.
  48. Università di Camerino, Dipartimento di Fisica, I-62032 Camerino, Italy.
  49. Università di Padova, Dipartimento di Fisica e Astronomia, I-35131 Padova, Italy.
  50. INFN, Sezione di Padova, I-35131 Padova, Italy.
  51. MTA Eötvös University, "Lendulet" Astrophysics Research Group, Budapest 1117, Hungary.
  52. Nicolaus Copernicus Astronomical Center, Polish Academy of Sciences, 00-716, Warsaw, Poland.
  53. University of Birmingham, Birmingham B15 2TT, United Kingdom.
  54. Università degli Studi di Genova, I-16146 Genova, Italy.
  55. INFN, Sezione di Genova, I-16146 Genova, Italy.
  56. RRCAT, Indore MP 452013, India.
  57. Faculty of Physics, Lomonosov Moscow State University, Moscow 119991, Russia.
  58. SUPA, University of the West of Scotland, Paisley PA1 2BE, United Kingdom.
  59. Caltech CaRT, Pasadena, California 91125, USA.
  60. OzGrav, University of Western Australia, Crawley, Western Australia 6009, Australia.
  61. Department of Astrophysics/IMAPP, Radboud University Nijmegen, P.O. Box 9010, 6500 GL Nijmegen, Netherlands.
  62. Artemis, Université Côte d'Azur, Observatoire Côte d'Azur, CNRS, CS 34229, F-06304 Nice Cedex 4, France.
  63. Institut de Physique de Rennes, CNRS, Université de Rennes 1, F-35042 Rennes, France.
  64. Washington State University, Pullman, Washington 99164, USA.
  65. Università degli Studi di Urbino "Carlo Bo," I-61029 Urbino, Italy.
  66. INFN, Sezione di Firenze, I-50019 Sesto Fiorentino, Firenze, Italy.
  67. University of Oregon, Eugene, Oregon 97403, USA.
  68. Laboratoire Kastler Brossel, UPMC-Sorbonne Universités, CNRS, ENS-PSL Research University, Collège de France, F-75005 Paris, France.
  69. Carleton College, Northfield, Minnesota 55057, USA.
  70. Astronomical Observatory Warsaw University, 00-478 Warsaw, Poland.
  71. VU University Amsterdam, 1081 HV Amsterdam, Netherlands.
  72. University of Maryland, College Park, Maryland 20742, USA.
  73. Center for Relativistic Astrophysics and School of Physics, Georgia Institute of Technology, Atlanta, Georgia 30332, USA.
  74. Université Claude Bernard Lyon 1, F-69622 Villeurbanne, France.
  75. Università di Napoli "Federico II," Complesso Universitario di Monte S. Angelo, I-80126 Napoli, Italy.
  76. NASA Goddard Space Flight Center, Greenbelt, Maryland 20771, USA.
  77. RESCEU, University of Tokyo, Tokyo, 113-0033, Japan.
  78. OzGrav, University of Adelaide, Adelaide, South Australia 5005, Australia.
  79. Tsinghua University, Beijing 100084, China.
  80. Texas Tech University, Lubbock, Texas 79409, USA.
  81. Kenyon College, Gambier, Ohio 43022, USA.
  82. The Pennsylvania State University, University Park, Pennsylvania 16802, USA.
  83. National Tsing Hua University, Hsinchu City, 30013 Taiwan, Republic of China.
  84. Charles Sturt University, Wagga Wagga, New South Wales 2678, Australia.
  85. Canadian Institute for Theoretical Astrophysics, University of Toronto, Toronto, Ontario M5S 3H8, Canada.
  86. University of Chicago, Chicago, Illinois 60637, USA.
  87. Pusan National University, Busan 46241, Korea.
  88. The Chinese University of Hong Kong, Shatin, NT, Hong Kong.
  89. INAF, Osservatorio Astronomico di Padova, Vicolo dell'Osservatorio 5, I-35122 Padova, Italy.
  90. INFN, Trento Institute for Fundamental Physics and Applications, I-38123 Povo, Trento, Italy.
  91. Università di Roma "La Sapienza," I-00185 Roma, Italy.
  92. Université Libre de Bruxelles, Brussels 1050, Belgium.
  93. Sonoma State University, Rohnert Park, California 94928, USA.
  94. Montana State University, Bozeman, Montana 59717, USA.
  95. Center for Interdisciplinary Exploration & Research in Astrophysics (CIERA), Northwestern University, Evanston, Illinois 60208, USA.
  96. Cardiff University, Cardiff CF24 3AA, United Kingdom.
  97. Universitat de les Illes Balears, IAC3-IEEC, E-07122 Palma de Mallorca, Spain.
  98. The University of Texas Rio Grande Valley, Brownsville, Texas 78520, USA.
  99. Bellevue College, Bellevue, Washington 98007, USA.
  100. Institute for Plasma Research, Bhat, Gandhinagar 382428, India.
  101. The University of Sheffield, Sheffield S10 2TN, United Kingdom.
  102. University of Southern California Information Sciences Institute, Marina Del Rey, California 90292, USA.
  103. California State University, Los Angeles, 5151 State University Drive, Los Angeles, California 90032, USA.
  104. Università di Trento, Dipartimento di Fisica, I-38123 Povo, Trento, Italy.
  105. Montclair State University, Montclair, New Jersey 07043, USA.
  106. National Astronomical Observatory of Japan, 2-21-1 Osawa, Mitaka, Tokyo 181-8588, Japan.
  107. Whitman College, 345 Boyer Avenue, Walla Walla, Washington 99362 USA.
  108. School of Mathematics, University of Edinburgh, Edinburgh EH9 3FD, United Kingdom.
  109. University and Institute of Advanced Research, Gandhinagar Gujarat 382007, India.
  110. IISER-TVM, CET Campus, Trivandrum Kerala 695016, India.
  111. University of Szeged, Dóm tér 9, Szeged 6720, Hungary.
  112. Tata Institute of Fundamental Research, Mumbai 400005, India.
  113. INAF, Osservatorio Astronomico di Capodimonte, I-80131, Napoli, Italy.
  114. University of Michigan, Ann Arbor, Michigan 48109, USA.
  115. American University, Washington, D.C. 20016, USA.
  116. Rochester Institute of Technology, Rochester, New York 14623, USA.
  117. University of Bia?ystok, 15-424 Bia?ystok, Poland.
  118. SUPA, University of Strathclyde, Glasgow G1 1XQ, United Kingdom.
  119. University of Southampton, Southampton SO17 1BJ, United Kingdom.
  120. University of Washington Bothell, 18115 Campus Way NE, Bothell, Washington 98011, USA.
  121. Institute of Applied Physics, Nizhny Novgorod, 603950, Russia.
  122. Seoul National University, Seoul 08826, Korea.
  123. Inje University Gimhae, South Gyeongsang 50834, Korea.
  124. National Institute for Mathematical Sciences, Daejeon 34047, Korea.
  125. NCBJ, 05-400 ?wierk-Otwock, Poland.
  126. Institute of Mathematics, Polish Academy of Sciences, 00656 Warsaw, Poland.
  127. OzGrav, School of Physics & Astronomy, Monash University, Clayton 3800, Victoria, Australia.
  128. Hanyang University, Seoul 04763, Korea.
  129. NASA Marshall Space Flight Center, Huntsville, Alabama 35811, USA.
  130. ESPCI, CNRS, F-75005 Paris, France.
  131. Southern University and A&M College, Baton Rouge, Louisiana 70813, USA.
  132. OzGrav, University of Melbourne, Parkville, Victoria 3010, Australia.
  133. College of William and Mary, Williamsburg, Virginia 23187, USA.
  134. Indian Institute of Technology Madras, Chennai 600036, India.
  135. IISER-Kolkata, Mohanpur, West Bengal 741252, India.
  136. Scuola Normale Superiore, Piazza dei Cavalieri 7, I-56126 Pisa, Italy.
  137. Université de Lyon, F-69361 Lyon, France.
  138. Hobart and William Smith Colleges, Geneva, New York 14456, USA.
  139. Janusz Gil Institute of Astronomy, University of Zielona Góra, 65-265 Zielona Góra, Poland.
  140. University of Washington, Seattle, Washington 98195, USA.
  141. King's College London, University of London, London WC2R 2LS, United Kingdom.
  142. Indian Institute of Technology, Gandhinagar Ahmedabad Gujarat 382424, India.
  143. International Institute of Physics, Universidade Federal do Rio Grande do Norte, Natal RN 59078-970, Brazil.
  144. Andrews University, Berrien Springs, Michigan 49104, USA.
  145. Università di Siena, I-53100 Siena, Italy.
  146. Trinity University, San Antonio, Texas 78212, USA.
  147. Abilene Christian University, Abilene, Texas 79699, USA.

PMID: 28621973 DOI: 10.1103/PhysRevLett.118.221101

Abstract

We describe the observation of GW170104, a gravitational-wave signal produced by the coalescence of a pair of stellar-mass black holes. The signal was measured on January 4, 2017 at 10∶11:58.6 UTC by the twin advanced detectors of the Laser Interferometer Gravitational-Wave Observatory during their second observing run, with a network signal-to-noise ratio of 13 and a false alarm rate less than 1 in 70 000 years. The inferred component black hole masses are 31.2_{-6.0}^{+8.4}M_{⊙} and 19.4_{-5.9}^{+5.3}M_{⊙} (at the 90% credible level). The black hole spins are best constrained through measurement of the effective inspiral spin parameter, a mass-weighted combination of the spin components perpendicular to the orbital plane, χ_{eff}=-0.12_{-0.30}^{+0.21}. This result implies that spin configurations with both component spins positively aligned with the orbital angular momentum are disfavored. The source luminosity distance is 880_{-390}^{+450}  Mpc corresponding to a redshift of z=0.18_{-0.07}^{+0.08}. We constrain the magnitude of modifications to the gravitational-wave dispersion relation and perform null tests of general relativity. Assuming that gravitons are dispersed in vacuum like massive particles, we bound the graviton mass to m_{g}≤7.7×10^{-23}  eV/c^{2}. In all cases, we find that GW170104 is consistent with general relativity.

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