Properties of the Binary Black Hole Merger GW150914

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Abbott, B.P.; Abbott, R.; Abbott, T.D.; Abernathy, M.R.; Acernese, F. et al.: Properties of the Binary Black Hole Merger GW150914. In: Physical Review Letters 116 (2016), Nr. 24, 241102. DOI: http://dx.doi.org/10.1103/PhysRevLett.116.241102

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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 masses 36+5−4M⊙ 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+160−180  Mpc, corresponding to a redshift 0.09+0.03−0.04 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 62+4−4M⊙ and spin 0.67+0.05−0.07. This black hole is significantly more massive than any other inferred from electromagnetic observations in the stellar-mass regime.
License of this version: CC BY 3.0 Unported
Document Type: article
Publishing status: publishedVersion
Issue Date: 2016
Appears in Collections:Fakultät für Mathematik und Physik

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pos. country downloads
total perc.
1 image of flag of Germany Germany 145 85.29%
2 image of flag of China China 7 4.12%
3 image of flag of United States United States 4 2.35%
4 image of flag of United Kingdom United Kingdom 4 2.35%
5 image of flag of India India 2 1.18%
6 image of flag of Japan Japan 1 0.59%
7 image of flag of Iran, Islamic Republic of Iran, Islamic Republic of 1 0.59%
8 image of flag of Hungary Hungary 1 0.59%
9 image of flag of France France 1 0.59%
10 image of flag of Argentina Argentina 1 0.59%
    other countries 3 1.76%

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