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Directed search for gravitational waves from Scorpius X-1 with initial LIGO data

Abbott, T; Acernese, F; Adams, C; Adams, T; Allen, B; Anderson, WG; Barone, F; Bartos, I; Basti, A; Bertolini, A; Blair, David Gerald; Brau, J E; Bulten, H.J.; Charlton, Philip; Chow, Jong; Christensen, N; Coward, D; Dhurandhar, S; Factourovich, M; Fairhurst, S; Frei, Z; Frolov, V; Genin, E; Giaime, J; Greenhalgh, R. J. S.; Gustafson, R; Iyer, B R; Kawabe, Keita; Landry, M; Mandic, V.; Mansell, Georgia; McClelland, David; Meadors, G.D.; Melatos, Andrew; Mendell, G; Mueller, Guido; Munch, Jesper; Nguyen, Thanh; Ottaway, D J; Owen, Benjamin; Penn, S; Rajalakshmi, G; Rabeling, David; Reed, C M; Reitze, D; Riles, K; Sammut, L; Sathyaprakash, B; Saulson, P; Savage, R; Schofield, R; Scott, Susan M; Sengupta, Anand S; Shaddock, Daniel; Sigg, D; Sintes, A; Slagmolen, Bram; Souradeep, T; Staley, A; Summerscales, T.Z.; Tanner, D B; Unnikrishnan, C S; Van Den Brand, J.; Veitch, Peter John; Vocca, H; Vorvick, C; Wade, Andrew; Ward, Robert; Wen, L; Whiting, B F


We present results of a search for continuously emitted gravitational radiation, directed at the brightest low-mass x-ray binary, Scorpius X-1. Our semicoherent analysis covers 10 days of LIGO S5 data ranging from 50-550 Hz, and performs an incoherent sum of coherent F-statistic power distributed amongst frequency-modulated orbital sidebands. All candidates not removed at the veto stage were found to be consistent with noise at a 1% false alarm rate. We present Bayesian 95% confidence upper...[Show more]

CollectionsANU Research Publications
Date published: 2015
Type: Journal article
Source: Physical Review D-Particles, Fields, Gravitation and Cosmology
DOI: 10.1103/PhysRevD.91.062008


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