GW170814: a three-detector observation of gravitational waves from a binary black hole coalescence

B. P. Abbott, S. Jawahar, N. A. Lockerbie, K. V. Tokmakov, LIGO Scientific Collaboration, Virgo Collaboration

Research output: Contribution to journalArticle

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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+5.7−3.0M⊙ and 25.3+2.8−4.2M⊙ (at the 90% credible level). The luminosity distance of the source is 540+130−210  Mpc, corresponding to a redshift of z=0.11+0.03−0.04. 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.
LanguageEnglish
Article number141101
Number of pages16
JournalPhysical Review Letters
Volume119
Issue number14
DOIs
Publication statusPublished - 6 Oct 2017

Fingerprint

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

Keywords

  • LIGO
  • gravitational waves
  • GW170814
  • black holes
  • gravitational-wave polarizations

Cite this

Abbott, B. P., Jawahar, S., Lockerbie, N. A., Tokmakov, K. V., LIGO Scientific Collaboration, & Virgo Collaboration (2017). GW170814: a three-detector observation of gravitational waves from a binary black hole coalescence. Physical Review Letters, 119(14), [141101]. https://doi.org/10.1103/PhysRevLett.119.141101
Abbott, B. P. ; Jawahar, S. ; Lockerbie, N. A. ; Tokmakov, K. V. ; LIGO Scientific Collaboration ; 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+5.7−3.0M⊙ and 25.3+2.8−4.2M⊙ (at the 90{\%} credible level). The luminosity distance of the source is 540+130−210  Mpc, corresponding to a redshift of z=0.11+0.03−0.04. 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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Abbott, BP, Jawahar, S, Lockerbie, NA, Tokmakov, KV, LIGO Scientific Collaboration & Virgo Collaboration 2017, 'GW170814: a three-detector observation of gravitational waves from a binary black hole coalescence' Physical Review Letters, vol. 119, no. 14, 141101. https://doi.org/10.1103/PhysRevLett.119.141101

GW170814 : a three-detector observation of gravitational waves from a binary black hole coalescence. / Abbott, B. P.; Jawahar, S.; Lockerbie, N. A.; Tokmakov, K. V.; LIGO Scientific Collaboration; Virgo Collaboration.

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

Research output: Contribution to journalArticle

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T2 - Physical Review Letters

AU - Abbott, B. P.

AU - Jawahar, S.

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AU - Virgo Collaboration

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N2 - 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+5.7−3.0M⊙ and 25.3+2.8−4.2M⊙ (at the 90% credible level). The luminosity distance of the source is 540+130−210  Mpc, corresponding to a redshift of z=0.11+0.03−0.04. 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.

AB - 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+5.7−3.0M⊙ and 25.3+2.8−4.2M⊙ (at the 90% credible level). The luminosity distance of the source is 540+130−210  Mpc, corresponding to a redshift of z=0.11+0.03−0.04. 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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