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

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...

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Veröffentlicht in:	Astrophysical journal. Letters 2017-12, Vol.851 (2), p.L35
Hauptverfasser:	Ascenzi, S., Ashton, G., Birnholtz, O., Bisht, A., Blair, R. M., Bonnand, R., Brady, P. R., Brunett, S., Calloni, E., Canepa, M., Canizares, P., Cao, J., Cerretani, G., Chan, M., Clearwater, P., Cohen, D., Constancio, M., Cordero-Carrión, I., Couvares, P., Coyne, D. C., Creighton, T. D., Cumming, A., Cunningham, L., Dattilo, V., Davis, D., De, S., Varona, O. de, Giovanni, M. Di, Pace, S. Di, Eisenstein, R. A., Factourovich, M., Fair, H., Ferrini, F., Fletcher, M., Forsyth, S. S., Freise, A., Grado, A., Green, A. C., Gruning, P., Hannuksela, O. A., Harms, J., Healy, J., Houston, E. A., Howell, E. J., Husa, S., Izumi, K., Jani, K., Katsavounidis, E., Koch, P., Landry, M., Lasky, P. D., Losurdo, G., Machenschalk, B., Markakis, C., Martin, R. M., Masso-Reid, M., McNeill, L., Meadors, G. D., Mittleman, R., Moggi, A., Mueller, G., Mukund, N., Nelemans, G., Newport, J. M., Pal-Singh, A., Pang, P. T. H., Parida, A., Pascucci, D., Passuello, D., Patil, M., Pedraza, M., Pekowsky, L., Pele, A., Penn, S., Pirello, M., Prijatelj, M., Qi, H., Raab, F. J., Raja, S., Rajan, C., Schreiber, E., Schuette, D., Scott, J., Sequino, V., Singh, A., Smith, B., Steinmeyer, D., Sun, L., Taylor, R., Torres-Forné, A., Trinastic, J., Ueno, K., Urban, A. L., Brand, J. F. J. van den, Broeck, C. Van Den, Walker, M., Weiss, R., Yap, M. J., Zanolin, M., Zhu, S. J.
Format:	Artikel
Sprache:	eng
Schlagworte:	ASTRONOMY AND ASTROPHYSICS Astrophysics Aérospatiale, astronomie & astrophysique binaries: general Binary stars Black holes Coalescence Coalescing General Relativity and Quantum Cosmology Gravitation Gravitational waves Interferometers Luminosity Physical, chemical, mathematical & earth Sciences Physics Physique, chimie, mathématiques & sciences de la terre Red shift Relativity Signal to noise ratio Space science, astronomy & astrophysics stars: black holes Waveforms X ray binaries X ray stars
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Zusammenfassung:	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 12 − 2 + 7 M and 7 − 2 + 2 M (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 340 − 140 + 140 Mpc , corresponding to redshift 0.07 − 0.03 + 0.03 . We verify that the signal waveform is consistent with the predictions of general relativity.
ISSN:	2041-8205 2041-8213 2041-8213
DOI:	10.3847/2041-8213/aa9f0c