Gair, Jonathan R. and Barack, Leor and Creighton, Teviet and Cutler, Curt and Larson, Shane L. and Phinney, E. Sterl and Vallisneri, Michele (2004) Event rate estimates for LISA extreme mass ratio capture sources. Classical and Quantum Gravity, 21 (20). S1595-S1606. ISSN 0264-9381. http://resolver.caltech.edu/CaltechAUTHORS:GAIcqg04
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One of the most exciting prospects for the LISA gravitational wave observatory is the detection of gravitational radiation from the inspiral of a compact object into a supermassive black hole. The large inspiral parameter space and low amplitude of the signal make detection of these sources computationally challenging. We outline here a first-cut data analysis scheme that assumes realistic computational resources. In the context of this scheme, we estimate the signal-to-noise ratio that a source requires to pass our thresholds and be detected. Combining this with an estimate of the population of sources in the universe, we estimate the number of inspiral events that LISA could detect. The preliminary results are very encouraging—with the baseline design, LISA can see inspirals out to a redshift z = 1 and should detect over a thousand events during the mission lifetime.
|Additional Information:||© 2006 IOP Publishing Limited Received 3 April 2004; Published 24 September 2004; Print publication: Issue 20 (21 October 2004) This work would not have been possible without the guidance and encouragement of Kip Thorne, who repeatedly cracked the whip to make sure the project stayed on schedule. We also thank Kostas Glampedakis, Scott Hughes and Daniel Kennefick for the use of their kludge waveform code and for many useful discussions at EMRI telecons. This work was supported in part by NASA grants NAG5-12834 (CC, JG) and NAG5-10707 (JG, ESP), LISA contract number PO 1217163 (SL, TC), a Marie Curie Fellowship of the European Community program IHP-MCIF-99-1 under contract number HPMF-CT-2000-00851 (LB), NSF Grant NSF-PHY-0140326 (‘Kudu’) (LB), a grant from NASA-URC-Brownsville (LB) and by the LISA Mission Science office at JPL under contract with NASA (MV). SPECIAL ISSUE: PROCEEDINGS OF THE 8TH GRAVITATIONAL WAVE DATA ANALYSIS WORKSHOP, MILWAUKEE, WI, USA, 17-20 DECEMBER 2003|
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|Deposited On:||12 Sep 2006|
|Last Modified:||26 Dec 2012 09:02|
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