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Binary Black Hole Mergers in the first Advanced LIGO Observing Run

The LIGO Scientific Collaboration, The VIRGO Collaboration, Abbott, B. P., Abbott, R., Abbott, T. D., Abernathy, M. R., et al. (2016). Binary Black Hole Mergers in the first Advanced LIGO Observing Run. Physical Review X, 6: 041015. doi:10.1103/PhysRevX.6.041015.

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Genre: Journal Article

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Creators:
The LIGO Scientific Collaboration , Author
The VIRGO Collaboration , Author
Abbott, B. P., Author
Abbott, R., Author
Abbott, T. D., Author
Abernathy, M. R., Author
Acernese, F., Author
Ackley, K., Author
Affeldt, Christoph1, Author
Agathos, M., Author
Agatsuma, K., Author
Aggarwal, N., Author
Aguiar, O. D., Author
Aiello, L., Author
Ain, A., Author
Affiliations:
1Laser Interferometry & Gravitational Wave Astronomy, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society, ou_24010
2Observational Relativity and Cosmology, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society, ou_24011
3Astrophysical and Cosmological Relativity, AEI-Golm, MPI for Gravitational Physics, Max Planck Society, ou_1933290
4Laser Physics, Max Planck Institute of Quantum Optics, Max Planck Society, ou_1445566
5Astrophysical Relativity, AEI-Golm, MPI for Gravitational Physics, Max Planck Society, ou_24013

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Free keywords: General Relativity and Quantum Cosmology, gr-qc,Astrophysics, Cosmology and Extragalactic Astrophysics, astro-ph.CO
Abstract: The first observational run of the Advanced LIGO detectors, from September 12, 2015 to January 19, 2016, saw the first detections of gravitational waves from binary black hole mergers. In this paper we present full results from a search for binary black hole merger signals with total masses up to $100 M_\odot$ and detailed implications from our observations of these systems. Our search, based on general-relativistic models of gravitational wave signals from binary black hole systems, unambiguously identified two signals, GW150914 and GW151226, with a significance of greater than $5\sigma$ over the observing period. It also identified a third possible signal, LVT151012, with substantially lower significance, which has a 87% probability of being of astrophysical origin. We provide detailed estimates of the parameters of the observed systems. Both GW150914 and GW151226 provide an unprecedented opportunity to study the two-body motion of a compact-object binary in the large velocity, highly nonlinear regime. We do not observe any deviations from general relativity, and place improved empirical bounds on several high-order post-Newtonian coefficients. From our observations we infer stellar-mass binary black hole merger rates lying in the range $9-240 \mathrm{Gpc}^{-3} \mathrm{yr}^{-1}$. These observations are beginning to inform astrophysical predictions of binary black hole formation rates, and indicate that future observing runs of the Advanced detector network will yield many more gravitational wave detections.

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Dates: 2016-06-152016-06-222016
Publication Status: Published in print
Pages: 15 pages + 4 appendices, 12 figures; updated author list and references
Publishing info: -
Rev. Method: -
Identifiers: arXiv: 1606.04856
URI: http://arxiv.org/abs/1606.04856
DOI: 10.1103/PhysRevX.6.041015
Degree: -

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### Source 1

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Title: Physical Review X
Abbreviation : Phys. Rev. X
Source Genre: Journal
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Affiliations:
Publ. Info: New York, NY : American Physical Society
Pages: - Volume / Issue: 6 Sequence Number: 041015 Start / End Page: - Identifier: Other: 2160-3308
CoNE: /journals/resource/2160-3308