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GW190412: Observation of a binary-black-hole coalescence with asymmetric masses

Abbott, R.; Abbott, T. D.; Abraham, S; Acernese, F; Ackley, K; Adams, C; Adhikari, Rana X; Adya, Vaishali; Affeldt, C; Agathos, M.; Agatsuma, K.; Altin, Paul; Eichholz, Johannes; Forsyth, Perry; Grace, Benjamin; Holland, Nathan; Kijbunchoo, Nutsinee; McClelland, David; McManus, David; McRae, Terry; Scott, Susan M.; Shaddock, Daniel; Slagmolen, Bram; Toyra, Daniel; Wade, Andrew; Ward, Robert; Wette, Karl; Yap, Min Jet


We report the observation of gravitational waves from a binary-black-hole coalescence during the first two weeks of LIGO's and Virgo's third observing run. The signal was recorded on April 12, 2019 at 05∶30∶44 UTC with a network signal-to-noise ratio of 19. The binary is different from observations during the first two observing runs most notably due to its asymmetric masses: a ~ 30Mo black hole merged with a ~ 8Mo black hole companion. The more massive black hole rotated with a dimensionless...[Show more]

CollectionsANU Research Publications
Date published: 2020
Type: Journal article
Source: Physical Review D
DOI: 10.1103/PhysRevD.102.043015
Access Rights: Open Access


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