GW170814

A Three-Detector Observation of Gravitational Waves from a Binary Black Hole Coalescence

(LIGO Scientific Collaboration and Virgo Collaboration)

Research output: Contribution to journalArticle

722 Citations (Scopus)

Abstract

On August 14, 2017 at 10 30:43 UTC, the Advanced Virgo detector and the two Advanced LIGO detectors coherently observed a transient gravitational-wave signal produced by the coalescence of two stellar mass black holes, with a false-alarm rate of 1 in 27 000 years. The signal was observed with a three-detector network matched-filter signal-to-noise ratio of 18. The inferred masses of the initial black holes are 30.5-3.0+5.7M and 25.3-4.2+2.8M (at the 90% credible level). The luminosity distance of the source is 540-210+130 Mpc, corresponding to a redshift of z=0.11-0.04+0.03. A network of three detectors improves the sky localization of the source, reducing the area of the 90% credible region from 1160 deg2 using only the two LIGO detectors to 60 deg2 using all three detectors. For the first time, we can test the nature of gravitational-wave polarizations from the antenna response of the LIGO-Virgo network, thus enabling a new class of phenomenological tests of gravity.

Original languageEnglish (US)
Article number141101
JournalPhysical Review Letters
Volume119
Issue number14
DOIs
StatePublished - Oct 6 2017

Fingerprint

gravitational waves
coalescing
LIGO (observatory)
detectors
matched filters
false alarms
stellar mass
sky
signal to noise ratios
antennas
luminosity
gravitation
polarization

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

GW170814 : A Three-Detector Observation of Gravitational Waves from a Binary Black Hole Coalescence. / (LIGO Scientific Collaboration and Virgo Collaboration).

In: Physical Review Letters, Vol. 119, No. 14, 141101, 06.10.2017.

Research output: Contribution to journalArticle

(LIGO Scientific Collaboration and Virgo Collaboration). / GW170814 : A Three-Detector Observation of Gravitational Waves from a Binary Black Hole Coalescence. In: Physical Review Letters. 2017 ; Vol. 119, No. 14.
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abstract = "On August 14, 2017 at 10 30:43 UTC, the Advanced Virgo detector and the two Advanced LIGO detectors coherently observed a transient gravitational-wave signal produced by the coalescence of two stellar mass black holes, with a false-alarm rate of 1 in 27 000 years. The signal was observed with a three-detector network matched-filter signal-to-noise ratio of 18. The inferred masses of the initial black holes are 30.5-3.0+5.7M and 25.3-4.2+2.8M (at the 90{\%} credible level). The luminosity distance of the source is 540-210+130 Mpc, corresponding to a redshift of z=0.11-0.04+0.03. A network of three detectors improves the sky localization of the source, reducing the area of the 90{\%} credible region from 1160 deg2 using only the two LIGO detectors to 60 deg2 using all three detectors. For the first time, we can test the nature of gravitational-wave polarizations from the antenna response of the LIGO-Virgo network, thus enabling a new class of phenomenological tests of gravity.",
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