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Abbott, B.P. [Author]; Abbott, R. [Author]; Abbott, T.D. [Author]; Abernathy, M.R. [Author]; Acernese, F. [Author]; Ackley, K. [Author]; Adams, C. [Author]; Adams, T. [Author]; Addesso, P. [Author]; Adhikari, R.X. [Author]; Adya, V.B. [Author]; Affeldt, Christoph [Author]; Agathos, M. [Author]; Agatsuma, K. [Author]; Aggarwal, N. [Author]; Aguiar, O.D. [Author]; Aiello, L. [Author]; Ain, A. [Author]; Ajith, P. [Author]; Allen, B. [Author]; Allocca, A. [Author]; Altin, P.A. [Author]; Anderson, S.B. [Author]; Anderson, W.G. [Author]; [...] ; LIGO Scientific Collaboration [Contributor]; Virgo Collaboration [Contributor]

Properties of the Binary Black Hole Merger GW150914 - [published Version]

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  • Media type: E-Article; Text
  • Title: Properties of the Binary Black Hole Merger GW150914
  • Contributor: Abbott, B.P. [Author]; Abbott, R. [Author]; Abbott, T.D. [Author]; Abernathy, M.R. [Author]; Acernese, F. [Author]; Ackley, K. [Author]; Adams, C. [Author]; Adams, T. [Author]; Addesso, P. [Author]; Adhikari, R.X. [Author]; Adya, V.B. [Author]; Affeldt, Christoph [Author]; Agathos, M. [Author]; Agatsuma, K. [Author]; Aggarwal, N. [Author]; Aguiar, O.D. [Author]; Aiello, L. [Author]; Ain, A. [Author]; Ajith, P. [Author]; Allen, B. [Author]; Allocca, A. [Author]; Altin, P.A. [Author]; Anderson, S.B. [Author]; Anderson, W.G. [Author]; [...]
  • imprint: College Park, MD : American Physical Society, 2016
  • Published in: Physical Review Letters (2016), Nr. 24 ; Physical Review Letters
  • Issue: published Version
  • Language: English
  • DOI: https://doi.org/10.15488/11397; https://doi.org/10.1103/PhysRevLett.116.241102
  • ISSN: 0031-9007
  • Keywords: Source location ; Interferometers ; Southern Hemisphere ; Gravity waves ; General Relativity ; Massive black holes ; Laser interferometer gravitational-wave observatories ; Waveform models ; Stars ; Laser interferometry ; Gravitational effects ; Electromagnetic observations ; Credible interval ; Relativity
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  • Description: On September 14, 2015, the Laser Interferometer Gravitational-Wave Observatory (LIGO) detected a gravitational-wave transient (GW150914); we characterize the properties of the source and its parameters. The data around the time of the event were analyzed coherently across the LIGO network using a suite of accurate waveform models that describe gravitational waves from a compact binary system in general relativity. GW150914 was produced by a nearly equal mass binary black hole of masses 36-4+5M and 29-4+4M; for each parameter we report the median value and the range of the 90% credible interval. The dimensionless spin magnitude of the more massive black hole is bound to be <0.7 (at 90% probability). The luminosity distance to the source is 410-180+160 Mpc, corresponding to a redshift 0.09-0.04+0.03 assuming standard cosmology. The source location is constrained to an annulus section of 610 deg2, primarily in the southern hemisphere. The binary merges into a black hole of mass 62-4+4M and spin 0.67-0.07+0.05. This black hole is significantly more massive than any other inferred from electromagnetic observations in the stellar-mass regime. © 2016 authors. Published by the American Physical Society.
  • Access State: Open Access
  • Rights information: Attribution (CC BY)