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A quasi-physical family of gravity-wave templates for precessing binaries of spinning compact objects: Application to double-spin precessing binaries

MPG-Autoren
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Buonanno,  Alessandra
Groupe de Gravitation et Cosmologie (GReCO), Institut d’Astrophysique de Paris (CNRS), ;
Astrophysical and Cosmological Relativity, AEI-Golm, MPI for Gravitational Physics, Max Planck Society;

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gr-qc_0405090.pdf
(Preprint), 815KB

PhysRevD.70.104003.pdf
(beliebiger Volltext), 665KB

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Zitation

Buonanno, A., Chen, Y., Pan, Y., & Vallisneri, M. (2004). A quasi-physical family of gravity-wave templates for precessing binaries of spinning compact objects: Application to double-spin precessing binaries. Physical Review D, 70: 104003. doi:10.1103/PhysRevD.70.104003.


Zitierlink: http://hdl.handle.net/11858/00-001M-0000-0018-D8FB-4
Zusammenfassung
The gravitational waveforms emitted during the adiabatic inspiral of precessing binaries with two spinning compact bodies of comparable masses, evaluated within the post-Newtonian approximation, can be reproduced rather accurately by the waveforms obtained by setting one of the two spins to zero, at least for the purpose of detection by ground-based gravitational-wave interferometers. Here we propose to use this quasi-physical family of single-spin templates to search for the signals emitted by double-spin precessing binaries, and we find that its signal-matching performance is satisfactory for source masses (m1,m2) in [3,15]Msun x [3,15]Msun. For this mass range, using the LIGO-I design sensitivity, we estimate that the number of templates required to yield a minimum match of 0.97 is ~320,000. We discuss also the accuracy to which the single-spin template family can be used to estimate the parameters of the original double-spin precessing binaries. Erratum-ibid. D74 (2006) 029902