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

B.P. Abbott, R. Abbott, T.D. Abbott, F. Acernese, K. Ackley, C. Adams, T. Adams, P. Addesso, R.X. Adhikari, V.B. Adya, …
Astrophysical Journal Letters, 卷.851(2), L35
12/2017

摘要

binaries: general gravitational waves stars: black holes Astronomy and Astrophysics Space and Planetary Science
On 2017 June 8 at 02:01:16.49 UTC, a gravitational-wave (GW) signal from the merger of two stellar-mass blackholes was observed by the two Advanced Laser Interferometer Gravitational-Wave Observatory detectors with anetwork signal-to-noise ratio of 13. This system is the lightest black hole binary so far observed, with componentmasses of 12 +7 -2 M 7 +2 -2 (90% credible intervals). These lie in the range of measured black hole masses inlow-mass X-ray binaries, thus allowing us to compare black holes detected through GWs with electromagneticobservations. The source's luminosity distance is 340 +140 -140 corresponding to redshift -0.07 +0.030 03. We verify thatthe signal waveform is consistent with the predictions of general relativity.

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https://doi.org/10.3847/2041-8213/aa9f0c檢視
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