Search For Gravitational-Wave Bursts Associated With Gamma-Ray Bursts Using Data From LIGO Science Run 5 And Virgo Science Run 1




Abbott, B. P.
Abbott, R.
Acernese, F.
Adhikari, R.
Ajith, P.
Allen, B.
Allen, G.
Alshourbagy, M.
Amin, R. S.
Anderson, S. B.

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We present the results of a search for gravitational-wave bursts (GWBs) associated with 137 gamma-ray bursts (GRBs) that were detected by satellite-based gamma-ray experiments during the fifth LIGO science run and first Virgo science run. The data used in this analysis were collected from 2005 November 4 to 2007 October 1, and most of the GRB triggers were from the Swift satellite. The search uses a coherent network analysis method that takes into account the different locations and orientations of the interferometers at the three LIGO-Virgo sites. We find no evidence for GWB signals associated with this sample of GRBs. Using simulated short-duration (<1 s) waveforms, we set upper limits on the amplitude of gravitational waves associated with each GRB. We also place lower bounds on the distance to each GRB under the assumption of a fixed energy emission in gravitational waves, with a median limit of D similar to 12 Mpc(E-GW(iso)/0.01 M(circle dot)c(2))(1/2) for emission at frequencies around 150 Hz, where the LIGO-Virgo detector network has best sensitivity. We present astrophysical interpretations and implications of these results, and prospects for corresponding searches during future LIGO-Virgo runs.



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Abbott, B. P., R. Abbott, F. Acernese, R. Adhikari, P. Ajith, B. Allen, G. Allen et al. "Search for gravitational-wave bursts associated with gamma-ray bursts using data from LIGO Science Run 5 and Virgo Science Run 1." The Astrophysical Journal, Vol. 715, No. 2 (Jun., 2010): 1438.