Search For Gravitational-Wave Inspiral Signals Associated With Short Gamma-Ray Bursts During LIGO's Fifth And Virgo's First Science Run

Date

2010-06

Authors

Abadie, J.
Abbott, B. P.
Abbott, R.
Accadia, T.
Acernese, F.
Adhikari, R.
Ajith, P.
Allen, B.
Allen, G.
Ceron, E. A.

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Abstract

Progenitor scenarios for short gamma-ray bursts (short GRBs) include coalescenses of two neutron stars or a neutron star and black hole, which would necessarily be accompanied by the emission of strong gravitational waves. We present a search for these known gravitational-wave signatures in temporal and directional coincidence with 22 GRBs that had sufficient gravitational-wave data available in multiple instruments during LIGO's fifth science run, S5, and Virgo's first science run, VSR1. We find no statistically significant gravitational-wave candidates within a [-5, +1) s window around the trigger time of any GRB. Using the Wilcoxon-Mann-Whitney U-test, we find no evidence for an excess of weak gravitational-wave signals in our sample of GRBs. We exclude neutron star-black hole progenitors to a median 90% confidence exclusion distance of 6.7 Mpc.

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Citation

Abadie, J., B. P. Abbott, R. Abbott, T. Accadia, F. Acernese, R. Adhikari, P. Ajith et al. "Search for gravitational-wave inspiral signals associated with short Gamma-Ray Bursts during LIGO's fifth and Virgo's first science run." The Astrophysical Journal, Vol. 715, No. 2 (Jun., 2010): 1453.