Bulletin of the American Physical Society
2006 APS April Meeting
Saturday–Tuesday, April 22–25, 2006; Dallas, TX
Session C7: Gravitational Wave Astronomy |
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Sponsoring Units: DAP Chair: Charles Dermer, Naval Research Laboratory Room: Hyatt Regency Dallas Pegasus A |
Saturday, April 22, 2006 1:30PM - 1:42PM |
C7.00001: Search for gravitational waves from neutron stars: first results from Einstein@Home Reinhard Prix The sensitivity of a search for unknown sources of continuous gravitational waves (such as could be emitted from rotating neutron stars) is limited to a large degree by the necessary computational power. In order to optimize the probability of detection, one has to use the most efficient search algorithm and maximize the available computing power. Einstein@Home is a large-scale public computing framework that allows one to achieve both of these goals by distributing the search to a large number of participating computers on the internet. In this talk we present results from the Einstein@Home search using data from the third scientific LIGO run (S3). [Preview Abstract] |
Saturday, April 22, 2006 1:42PM - 1:54PM |
C7.00002: A Search for gravitational wave signals from known pulsars using early data from the LIGO S5 run Matthew Pitkin We have analysed the first months of data collected in the fifth science run of LIGO to look for gravitational wave signals from known radio pulsars. The S5 run promises unprecedented sensitivities for these targets. We present a status report from this investigation, using pulsar timing data taken prior to S5, and consider the implication for a search based on a full year of S5 data. [Preview Abstract] |
Saturday, April 22, 2006 1:54PM - 2:06PM |
C7.00003: A coherent consistency test for gravitational-wave bursts Patrick Sutton, Shourov Chatterji, Albert Lazzarini, Antony Searle, Leo Stein, Massimo Tinto A common feature of gravitational-wave bursts is that their waveforms are unknown or poorly modelled. This lack of knowledge could make it difficult to distinguish between real signals and coincidental noise fluctuations in gravitational-wave detectors. We present a multi-detector coherent analysis test that can distinguish unmodelled gravitational-wave bursts from interferometer 'glitches', without requiring any a priori knowledge of the gravitational-wave signal. We demonstrate this algorithm using a population of simulated core-collapse supernova waveforms and simulated noise glitches. [Preview Abstract] |
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