Search for gravitational waves associated with γ-ray bursts detected by the interplanetary network

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Aasi, J.; Abbott, B.P.; Abbott, R.; Abbott, T.; Abernathy, M.R. et al.: Search for gravitational waves associated with γ-ray bursts detected by the interplanetary network. In: Physical Review Letters 113 (2014), Nr. 1, No. 11102. DOI: https://doi.org/10.1103/PhysRevLett.113.011102

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We present the results of a search for gravitational waves associated with 223 γ-ray bursts (GRBs) detected by the InterPlanetary Network (IPN) in 2005–2010 during LIGO’s fifth and sixth science runs and Virgo’s first, second, and third science runs. The IPN satellites provide accurate times of the bursts and sky localizations that vary significantly from degree scale to hundreds of square degrees. We search for both a well-modeled binary coalescence signal, the favored progenitor model for short GRBs, and for generic, unmodeled gravitational wave 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 no evidence 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 the GRBs. For all IPN-detected GRBs, for which a sufficient duration of quality gravitational wave data are available, we place lower bounds on the distance to the source in accordance with an optimistic assumption of gravitational wave emission energy of 10−2M⊙c2 at 150 Hz, and find a median of 13 Mpc. For the 27 short-hard GRBs we place 90% confidence exclusion distances to two source models: a binary neutron star coalescence, with a median distance of 12 Mpc, or the 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 for GRB searches in first-generation LIGO and Virgo gravitational wave detectors and a resulting examination of prospects for the advanced gravitational wave detectors. © 2014 The American Physical Society
License of this version: Es gilt deutsches Urheberrecht. Das Dokument darf zum eigenen Gebrauch kostenfrei genutzt, aber nicht im Internet bereitgestellt oder an Außenstehende weitergegeben werden.
Document Type: article
Publishing status: publishedVersion
Issue Date: 2014
Appears in Collections:Fakultät für Mathematik und Physik

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pos. country downloads
total perc.
1 image of flag of Germany Germany 586 93.76%
2 image of flag of United States United States 7 1.12%
3 image of flag of France France 5 0.80%
4 image of flag of China China 4 0.64%
5 image of flag of No geo information available No geo information available 3 0.48%
6 image of flag of Russian Federation Russian Federation 3 0.48%
7 image of flag of Italy Italy 3 0.48%
8 image of flag of Netherlands Netherlands 2 0.32%
9 image of flag of Korea, Republic of Korea, Republic of 2 0.32%
10 image of flag of Europe Europe 2 0.32%
    other countries 8 1.28%

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