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  Improved filters for gravitational waves from inspiralling compact binaries

Damour, T., Iyer, B. R., & Sathyaprakash, B. S. (1998). Improved filters for gravitational waves from inspiralling compact binaries. Physical Review D, 57(2), 885-907.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-59B9-4 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-59BA-2
Genre: Journal Article

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206286.pdf (Publisher version), 463KB
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 Creators:
Damour, Thibault1, Author
Iyer, Bala R., Author
Sathyaprakash, B. S., Author
Affiliations:
1Quantum Gravity & Unified Theories, AEI-Golm, MPI for Gravitational Physics, Max Planck Society, escidoc:24014              

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 Abstract: The order of the post-Newtonian expansion needed to extract in a reliable and accurate manner the fully general relativistic gravitational wave signal from inspiraling compact binaries is explored. A class of approximate wave forms, called P-approximants, is constructed based on the following two inputs: (a) the introduction of two new energy-type and flux-type functions e(v) and f(v), respectively, (b) the systematic use of the Padé approximation for constructing successive approximants of e(v) and f(v). The new P-approximants are not only more effectual (larger overlaps) and more faithful (smaller biases) than the standard Taylor approximants, but also converge faster and monotonically. The presently available (v/c)5-accurate post-Newtonian results can be used to construct P-approximate wave forms that provide overlaps with the exact wave form larger than 96.5%, implying that more than 90% of potential events can be detected with the aid of P-approximants as opposed to a mere 10–15 % that would be detectable using standard post-Newtonian approximants.

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 Dates: 1998
 Publication Status: Published in print
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 Identifiers: eDoc: 206286
Other: 5210
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Title: Physical Review D
Source Genre: Journal
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Pages: - Volume / Issue: 57 (2) Sequence Number: - Start / End Page: 885 - 907 Identifier: -