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  A method for estimating time–frequency characteristics of compact binary mergers to improve searches for inspiral, merger and ring-down phases separately

Hanna, C., Megevand, M., Ochsner, E., & Palenzuela, C. (2009). A method for estimating time–frequency characteristics of compact binary mergers to improve searches for inspiral, merger and ring-down phases separately. Classical and Quantum Gravity, 26(1): 015009. doi:10.1088/0264-9381/26/1/015009.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-149A-1 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-149D-C
Genre: Journal Article

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Hanna, Chad1, Author
Megevand, Miguel2, Author
Ochsner, Evan3, Author
Palenzuela, Carlos4, Author              
Affiliations:
1External Organizations, LIGO Laboratory, California Institute of Technology MS 18-34 Pasadena, CA 91125, USA Department of Physics and Astronomy, Louisiana State University, Baton Rouge, LA 70803, USA, ou_persistent22              
2External Organizations, Department of Physics and Astronomy, Louisiana State University, Baton Rouge, LA 70803, USA, ou_persistent22              
3External Organizations, Department of Physics, University of Maryland, College Park, MD 20742, USA, ou_persistent22              
4Astrophysical Relativity, AEI-Golm, MPI for Gravitational Physics, Max Planck Society, ou_24013              

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 Abstract: Recent advances in the description of compact binary systems have produced gravitational waveforms that include inspiral, merger and ring-down phases. Comparing results from numerical simulations with those of post-Newtonian, and related, expansions has provided motivation for employing post-Newtonian waveforms in near merger epochs when searching for gravitational waves and has encouraged the development of analytic fits to full numerical waveforms. Until searches employ full waveforms as templates, data analysts can still conduct separate inspiral, merger and ring-down searches. Improved knowledge about the end of the inspiral phase, the beginning of the merger and the ring-down frequencies will increase the efficiency of searches over each phase separately without needing the exact waveform. We will show that knowledge of the final spin, of which there are many theoretical models and analytic fits to simulations, may give an insight into the time–frequency properites of the merger. We also present implications on the ability to probe the tidal disruption of neutron stars through gravitational waves.

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 Dates: 2009-01-07
 Publication Status: Published online
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 Rev. Method: Peer
 Identifiers: DOI: 10.1088/0264-9381/26/1/015009
eDoc: 399848
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Title: Classical and Quantum Gravity
Source Genre: Journal
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Pages: - Volume / Issue: 26 (1) Sequence Number: 015009 Start / End Page: - Identifier: ISSN: 0264-9381