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GWTC-1: A Gravitational-Wave Transient Catalog of Compact Binary Mergers Observed by LIGO and Virgo during the First and Second Observing Runs

The LIGO Scientific Collaboration, The Virgo Collaboration, Abbott, B. P., Abbott, R., Abbott, T. D., Abraham, S., et al. (2019). GWTC-1: A Gravitational-Wave Transient Catalog of Compact Binary Mergers Observed by LIGO and Virgo during the First and Second Observing Runs. Physical Review X, 9(3): 031040. doi:10.1103/PhysRevX.9.031040.

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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
Abraham, S., Author
Acernese, F., Author
Ackley, K., Author
Affeldt, C.1, Author
Agathos, M., Author
Agatsuma, K., Author
Aggarwal, N., Author
Aguiar, O. D., Author
Aiello, L., Author
Ain, A., Author
Ajith, P., Author
Allen, G., Author
Affiliations:
1Laser Interferometry & Gravitational Wave Astronomy, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society, ou_24010
2Astrophysical and Cosmological Relativity, AEI-Golm, MPI for Gravitational Physics, Max Planck Society, ou_1933290
3AEI-Hannover, MPI for Gravitational Physics, Max Planck Society, Hannover, DE, ou_24009
4Observational Relativity and Cosmology, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society, ou_24011
5Binary Merger Observations and Numerical Relativity, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society, ou_2461691
6Astrophysical Relativity, AEI-Golm, MPI for Gravitational Physics, Max Planck Society, ou_24013
7Computational Relativistic Astrophysics, AEI-Golm, MPI for Gravitational Physics, Max Planck Society, ou_2541714

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Free keywords: Astrophysics, High Energy Astrophysical Phenomena, astro-ph.HE,Astrophysics, Cosmology and Extragalactic Astrophysics, astro-ph.CO,General Relativity and Quantum Cosmology, gr-qc
Abstract: We present the results from three gravitational-wave searches for coalescing
compact binaries with component masses above 1$\mathrm{M}_\odot$ during the
first and second observing runs of the Advanced gravitational-wave detector
network. During the first observing run (O1), from September $12^\mathrm{th}$,
2015 to January $19^\mathrm{th}$, 2016, gravitational waves from three binary
black hole mergers were detected. The second observing run (O2), which ran from
November $30^\mathrm{th}$, 2016 to August $25^\mathrm{th}$, 2017, saw the first
detection of gravitational waves from a binary neutron star inspiral, in
addition to the observation of gravitational waves from a total of seven binary
black hole mergers, four of which we report here for the first time: GW170729,
GW170809, GW170818 and GW170823. For all significant gravitational-wave events,
we provide estimates of the source properties. The detected binary black holes
have total masses between $18.6_{-0.7}^{+3.1}\mathrm{M}_\odot$, and
$85.1_{-10.9}^{+15.6} \mathrm{M}_\odot$, and range in distance between
$320_{-110}^{+120}$ Mpc and $2750_{-1320}^{+1350}$ Mpc. No neutron star - black
hole mergers were detected. In addition to highly significant
gravitational-wave events, we also provide a list of marginal event candidates
with an estimated false alarm rate less than 1 per 30 days. From these results
over the first two observing runs, which include approximately one
gravitational-wave detection per 15 days of data searched, we infer merger
rates at the 90% confidence intervals of $110\, -\, 3840$
$\mathrm{Gpc}^{-3}\,\mathrm{y}^{-1}$ for binary neutron stars and $9.7\, -\, 101$ $\mathrm{Gpc}^{-3}\,\mathrm{y}^{-1}$ for binary black holes assuming fixed
population distributions, and determine a neutron star - black hole merger rate
90% upper limit of $610$ $\mathrm{Gpc}^{-3}\,\mathrm{y}^{-1}$.

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Dates: 2018-11-302018-12-162019
Publication Status: Published in print
Pages: Total: 48 pages and 17 figures. v2 has minor changes to the text, additional references but no changes in results. Strain data are available from the Gravitational Wave Open Science Center at https://doi.org/10.7935/82H3-HH23. Data behind figures, including posterior samples, are available from https://dcc.ligo.org/LIGO-P1800307/public
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Source 1

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Title: Physical Review X
Abbreviation : Phys. Rev. X
Source Genre: Journal
Creator(s):
Affiliations:
Publ. Info: New York, NY : American Physical Society
Pages: - Volume / Issue: 9 (3) Sequence Number: 031040 Start / End Page: - Identifier: Other: 2160-3308
CoNE: https://pure.mpg.de/cone/journals/resource/2160-3308