Search for Gravitational Waves Associated with gamma-ray Bursts Detected by the Interplanetary Network

Aasi, J. and Abbott, B. P. and Abbott, R. and Abbott, T. and Abernathy, M. R. and Acernese, F. and Ackley, K. and Adams, C. and Adams, T. and Addesso, P. and Adhikari, R. X. and Affeldt, C. and Agathos, M. and Aggarwal, N. and Aguiar, O. D. and Ajith, P. and Alemic, A. and Allen, B. and Allocca, A. and Amariutei, D. and Andersen, M. and Anderson, R. A. and Anderson, S. B. and Anderson, W. G. and Arai, K. and Araya, M. C. and Arceneaux, C. and Areeda, J. S. and Ast, S. and Aston, S. M. and Debreczeni, Gergely and Frei, Zsolt and Gondán, László and Nagy-Egri, Máté Ferenc and Rácz, István and Raffai, Péter and Vasúth, Mátyás Zsolt (2014) Search for Gravitational Waves Associated with gamma-ray Bursts Detected by the Interplanetary Network. PHYSICAL REVIEW LETTERS, 113 (1). ISSN 0031-9007

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Abstract

We present the results of a search for gravitational waves associated with 223 gamma-raybursts (GRBs) detected by the InterPlanetary Network (IPN) in 2005–2010 during LIGO’sfifth and sixth science runs and Virgo’s first, second and third science runs. The IPN satellitesprovide accurate times of the bursts and sky localizations that vary significantly from degreescale to hundreds of square degrees. We search for both a well–modeled binary coalescencesignal, the favored progenitor model for short GRBs, and for generic, unmodeled gravitationalwave bursts. Both searches use the event time and sky localization to improve the gravitational-wave search sensitivity as compared to corresponding all–time, all–sky searches. We find noevidence of a gravitational-wave signal associated with any of the IPN GRBs in the sample,nor do we find evidence for a population of weak gravitational-wave signals associated with theGRBs. For all IPN–detected GRBs, for which a sufficient duration of quality gravitational-wavedata is available, we place lower bounds on the distance to the source in accordance with anoptimistic assumption of gravitational-wave emission energy of 10−2M c2 at 150 Hz, and finda median of 13 Mpc. For the 27 short-hard GRBs we place 90% confidence exclusion distancesto two source models: a binary neutron star coalescence, with a median distance of 12 Mpc, orthe coalescence of a neutron star and black hole, with a median distance of 22 Mpc. Finally,we combine this search with previously published results to provide a population statement forGRB searches in first–generation LIGO and Virgo gravitational-wave detectors, and a resultingexamination of prospects for the advanced gravitational–wave detectors.

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