Properties of the binary black hole merger GW150914

LIGO Scientific Collaboration, Virgo Collaboration

Research output: Contribution to journalArticlepeer-review

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Abstract

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 $36^{+5}_{-4} M_\odot$ and $29^{+4}_{-4} M_\odot$; 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 $
Original languageEnglish
Article number241102
Number of pages19
JournalPhysical Review Letters
Volume116
Issue number24
DOIs
Publication statusPublished - 14 Jun 2016

Keywords

  • gr-qc
  • astro-ph.HE

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