Searching for binary coalescences with inspiral templates: detection and parameter estimation

Farr, Benjamin, Fairhurst, Stephen ORCID: https://orcid.org/0000-0001-8480-1961 and Sathyaprakash, Bangalore Suryanarayana ORCID: https://orcid.org/0000-0003-3845-7586 2009. Searching for binary coalescences with inspiral templates: detection and parameter estimation. Classical and Quantum Gravity 26 (11) , 114009. 10.1088/0264-9381/26/11/114009

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Abstract

There has been remarkable progress in numerical relativity recently. This has led to the generation of gravitational waveform signals covering what has been traditionally termed the three phases of the coalescence of a compact binary—the inspiral, merger and ringdown. In this paper, we examine the usefulness of inspiral only templates for both detection and parameter estimation of the full coalescence waveforms generated by numerical relativity simulations. To this end, we deploy as search templates waveforms based on the effective one-body waveforms terminated at the light-ring as well as standard post-Newtonian waveforms. We find that both of these are good for detection of signals. Parameter estimation is good at low masses, but degrades as the mass of the binary system increases.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Physics and Astronomy
Subjects:	Q Science > QB Astronomy
Publisher:	Institute of Physics
ISSN:	0264-9381
Last Modified:	16 May 2023 10:00
URI:	https://orca.cardiff.ac.uk/id/eprint/22470

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