S Desai et al 2008 Class. Quantum Grav. 25 184024 doi:10.1088/0264-9381/25/18/184024
S Desai1, K Hayama2, S D Mohanty2, M Rakhmanov2, T Summerscales3 and S Yoshida4
Show affiliationsWe propose to search for gravitational waves from PKS 2155-304 as well as other blazars. PKS 2155-304 emitted a long-duration energetic flare in July 2006 with total isotropic equivalent energy released in TeV gamma rays of approximately 1045 ergs. Possible gravitational wave signals associated with this outburst are expected to be seen at the same time as the electromagnetic signal. During this flare, the two LIGO interferometers at Hanford and the GEO detector were in operation and collecting data. For this search we will use the data from multiple gravitational wave detectors. The method we use for this purpose is a coherent network analysis algorithm which is called RIDGE. To estimate the sensitivity of the search, we perform numerical simulations. For a detection probability of 20%, we estimate that this method is sensitive to total isotropic equivalent energy at the source of about 2.5 × 1055 ergs. For this analysis, an end-to-end pipeline has been developed, which takes into account the motion of the source across the sky.
04.80.Nn Gravitational wave detectors and experiments
97.30.Nr Flare stars (UV Ceti, RS Canum Venaticorum, FU Orionis, R Coronae Borealis variables, etc.)
Issue 18 (21 September 2008)
Received 1 April 2008, in final form 11 July 2008
Published 2 September 2008
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