Expanding the Gravitational Wave Search for the Crab Pulsar

Details Expanding the Gravitational Wave Search for the Crab Pulsar Expanding the Gravitational Wave Search for the Crab Pulsar

Jan 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009aas...21347706b&link_type=abstract

American Astronomical Society, AAS Meeting #213, #477.06; Bulletin of the American Astronomical Society, Vol. 41, p.443

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The Crab pulsar is an interesting and well studied source, with several properties that make it intriguing to gravitational wave astronomers. The Crab is young, rapidly spinning down, glitchy, and relatively close. The most constraining model used to search for the Crab pulsar has limited the energy emitted in gravitational radiation to below 4% of the observed energy loss. It is important, however, to consider less constraining models for gravitational wave emission. We have completed a search in a a 10-2 Hz band about twice the Crab's rotation frequency, a search that was in part limited by computer resources. We are now developing a search pipeline with orders of magnitude improvement in computation time to expand the parameter space further, including consideration of nominal frequencies other than twice the Crab's rotation frequency.

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