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GW170608: Observation of a 19 Solar-mass Binary Black Hole Coalescence
Abbott, B. P. Abbott, R. Abbott, T. D. Mikhailov, Eugeniy E. Zhang, M.
Abbott, B. P.
Abbott, R.
Abbott, T. D.
Mikhailov, Eugeniy E.
Zhang, M.
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 12(2)(+7) M-circle dot and 7(2)(+2) M-circle dot (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.
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2017-12-20
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Physics
DOI
https://doi.org/10.3847/2041-8213/aa9f0c