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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

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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

dc.contributor.author	LIGO Scientific Collaboration
dc.contributor.author	Virgo Collaboration
dc.contributor.author	Abbott, B. P.
dc.contributor.author	Aloy Toras, Miguel Angel
dc.contributor.author	Cerdá Durán, Pablo
dc.contributor.author	Cordero Carrión, Isabel
dc.contributor.author	Font Roda, José Antonio
dc.contributor.author	Marquina Vila, Antonio
dc.contributor.author	Obergaulinger, M.
dc.contributor.author	Sanchis Gual, Nicolas
dc.contributor.author	Torres Forné, Alejandro
dc.date.accessioned	2020-01-09T14:43:36Z
dc.date.available	2020-01-09T14:43:36Z
dc.date.issued	2019
dc.identifier.citation	LIGO Scientific Collaboration Virgo Collaboration Abbott, B. P. Aloy Toras, Miguel Angel Cerdá Durán, Pablo Cordero Carrión, Isabel Font Roda, José Antonio Marquina Vila, Antonio Obergaulinger, M. Sanchis Gual, Nicolas Torres Forné, Alejandro 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 031040-1 031040-49
dc.identifier.uri	https://hdl.handle.net/10550/72537
dc.description.abstract	We present the results from three gravitational-wave searches for coalescing compact binaries with component masses above 1 M⊙ during the first and second observing runs of the advanced gravitational-wave detector network. During the first observing run (O1), from September 12, 2015 to January 19, 2016, gravitational waves from three binary black hole mergers were detected. The second observing run (O2), which ran from November 30, 2016 to August 25, 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+3.2 M⊙ and 84.4−11.1+15.8 M⊙ and range in distance between 320−110+120 and 2840−1360+1400 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 Gpc−3 y−1 for binary neutron stars and 9.7−101 Gpc−3 y−1 for binary black holes assuming fixed population distributions and determine a neutron star-black hole merger rate 90% upper limit of 610 Gpc−3 y−1.
dc.language.iso	eng
dc.relation.ispartof	Physical Review X, 2019, vol. 9, num. 3, p. 031040-1-031040-49
dc.subject	Gravitació
dc.subject	Astrofísica
dc.title	GWTC-1: A Gravitational-Wave Transient Catalog of Compact Binary Mergers Observed by LIGO and Virgo during the First and Second Observing Runs
dc.type	journal article	es_ES
dc.date.updated	2020-01-09T14:43:37Z
dc.identifier.doi	10.1103/PhysRevX.9.031040
dc.identifier.idgrec	135603
dc.rights.accessRights	open access	es_ES