LIGO+Virgo Search for Gravitational-Wave Bursts Associated with GRBs

Details LIGO+Virgo Search for Gravitational-Wave Bursts Associated with GRBs LIGO+Virgo Search for Gravitational-Wave Bursts Associated with GRBs

Mar 2012

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2012aps..apr.q7001s&link_type=abstract

American Physical Society, APS April Meeting 2012, March 31-Apr 3, 2012, abstract #Q7.001

Astronomy and Astrophysics

Astrophysics

Scientific paper

Gamma-ray bursts are remarkable astrophysical events which emit vast amounts of energy in a short period of time, and likely progenitors are expected to emit gravitational waves (GWs) as well. The long-soft GRBs which make up the majority of the known population are generally believed to come from collapsing massive stars, and there are multiple possible mechanisms for GW emission which could be detectable from a sufficiently close source. Starting with the reported times and sky positions of over 150 GRBs in 2009-2010, we have searched for GW signals in data from the LIGO and Virgo detectors using a coherent ``burst'' search algorithm that can efficiently detect transient GW signals with arbitrary waveforms. I will discuss how the analysis has been optimized and present the latest search results.

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