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Search for gravitational waves from Scorpius X-1 in the second Advanced LIGO observing run with an improved hidden Markov model

Abbott, B. P.; Abbott, R.; Abbott, T. D.; Abraham, S; Acernese, Fausto; Ackley, K.; Adams, C.; Adhikari, Rana; Adya, V.; Affeldt, C.; Altin, Paul; Forsyth, Perry; Holland, Nathan; Kijbunchoo, Nutsinee; Manske, Michael; McClelland, David; McManus, David; McRae, Terry; Scott, Susan M.; Shaddock, Daniel; Slagmolen, Bram; Ward, Robert; Wette, Karl; Yap, Min Jet

Description

We present results from a semicoherent search for continuous gravitational waves from the low-mass x-ray binary Scorpius X-1, using a hidden Markov model (HMM) to track spin wandering. This search improves on previous HMM-based searches of LIGO data by using an improved frequency domain matched filter, the J -statistic, and by analyzing data from Advanced LIGO's second observing run. In the frequency range searched, from 60 to 650 Hz, we find no evidence of gravitational radiation. At 194.6...[Show more]

CollectionsANU Research Publications
Date published: 2019-12-04
Type: Journal article
URI: http://hdl.handle.net/1885/214099
Source: Physical Review D
DOI: 10.1103/PhysRevD.100.122002
Access Rights: Open Access

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