Properties of the binary black hole merger GW150914

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dc.contributor.authorAbbott, B. P.
dc.contributor.authorDavies, G. S.
dc.contributor.authorLIGO Scientific Collaboration and Virgo Collaboration
dc.date.accessioned2017-04-05T13:24:47Z
dc.date.available2017-04-05T13:24:47Z
dc.date.issued2016-06-14
dc.description.abstractOn 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 36þ5 −4M⊙ and 29þ4 −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 410þ160 −180 Mpc, corresponding to a redshift 0.09þ0.03 −0.04 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 62þ4 −4M⊙ and spin 0.67þ0.05 −0.07 . This black hole is significantly more massive than any other inferred from electromagnetic observations in the stellar-mass regime.en_UK
dc.description.journalNamePhysical Review Letters
dc.identifier.citationAbbott, BP., et al., (LIGO Scientific Collaboration and Virgo Collaboration). (2016) Properties of the binary black hole merger GW150914. Physical Review Letters, Volume 116, Issue 24, June 2016, Article number 241102en_UK
dc.identifier.issueNo24
dc.identifier.paperNo241102
dc.identifier.urihttps://doi.org/10.1103/PhysRevLett.116.241102
dc.identifier.urihttp://dspace.lib.cranfield.ac.uk/handle/1826/11719
dc.identifier.volumeNo116
dc.publisherAmerican Physical Societyen_UK
dc.rightsAttribution 3.0
dc.rights.urihttp://creativecommons.org/licenses/by/3.0/
dc.titleProperties of the binary black hole merger GW150914en_UK
dc.typeArticleen_UK

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