Coherent Network Searches for Gravitational Waves associated with Gamma-Ray Bursts

Details Coherent Network Searches for Gravitational Waves associated with Gamma-Ray Bursts Coherent Network Searches for Gravitational Waves associated with Gamma-Ray Bursts

Apr 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008aps..apr.e8005j&link_type=abstract

American Physical Society, 2008 APS April Meeting and HEDP/HEDLA Meeting, April 11-15, 2008, abstract #E8.005

Physics

Scientific paper

Over 200 gamma-ray bursts (GRBs) were observed electromagnetically during the LIGO science run 5 / Virgo science run 1. Attempts to detect gravitational waves (GWs) associated with GRBs can take advantage of the known sky position and time of the GRB to increase the sensitivity of the search. Coherent analysis methods are particularly well-suited to such directional searches. They use the known sky position to construct linear combinations of the data that maximize or minimize the SNR of a GW signal with a given polarization. This allows for both high sensitivity to real GWs and powerful consistency tests for eliminating background noise, without a priori assumptions on the GW waveform. We discuss prospects for GRB-GW searches with data taken during the LIGO science run 5 / Virgo science run 1.

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