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Search for continuous gravitational waves from neutron stars in globular cluster NGC 6544

Altin, Paul; Chow, Jong; Mansell, Georgia; McClelland, David; McManus, David; McRae, Terry; Nguyen, Thanh; Scott, Susan M.; Rabeling, David; Abbott, B.; Abbott, Robert; Abbott, T.; Ackley, K.; Adhikari, Rana; Barish, Barry; Barsotti, L.; Basti, A.; Berger, B. K.; Bilenko, I. A.; Billingsley, G.; Blackburn, James Kent; Blair, David Gerald; Bork, R.; Braginsky, V.; Coward, D.; Dhurandhar, S.; Ehrens, P.; Etzel, T.; Favata, Marc; Frei, Z.; Fritschel, Peter; Gehrels, N.; Genin, E.; Giaime, J.; Grado, A.; Heptonstall, A.; Howell, E.; Huttner, S. H.; Kells, W.; Korth, W. Zach; Kozak, D.; Lasky, P. D.; Lockerbie, N. A.; Maros, E.; Matichard, F.; Mavalvala, Nergis; Melatos, Andrew; Mendell, G.; Meshkov, S.; Oelker, E.; Ottaway, D. J.; Pedraza, M.; Penn, S.; Reed, C. M.; Reitze, D.; Shaddock, Daniel; Slagmolen, Bram; Wade, Andrew; Ward, Robert


We describe a directed search for continuous gravitational waves in data from the sixth initial LIGO science run. The target was the nearby globular cluster NGC 6544 at a distance of ≈2.7  kpc. The search covered a broad band of frequencies along with first and second frequency derivatives for a fixed sky position. The search coherently integrated data from the two LIGO interferometers over a time span of 9.2 days using the matched-filtering F-statistic. We found no gravitational-wave signals...[Show more]

CollectionsANU Research Publications
Date published: 2017
Type: Journal article
Source: Physical Review D
DOI: 10.1103/PhysRevD.95.082005


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