Mother templates for gravitational wave chirps

Details Mother templates for gravitational wave chirps Mother templates for gravitational wave chirps

2000-10-11

arxiv.org/abs/gr-qc/0010044v1

Class.Quant.Grav.17:L157-162,2000

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

7 pages, CQG style file (iopart.cls)

Scientific paper

10.1088/0264-9381/17/23/101

Templates used in a search for binary black holes and neutron stars in gravitational wave interferometer data will have to be computed on-line since the computational storage and retrieval costs for the template bank are too expensive. The conventional dimensionless variable $T=(c^3/Gm)t,$ where $m$ is the total mass of a binary, in the time-domain and a not-so-conventional velocity-like variable $v=(\pi Gm f)^{1/3}$ in the Fourier-domain, render the phasing of the waves independent of the total mass of the system enabling the construction of {\it mother templates} that depend only on the mass ratio of a black hole binary. Use of such mother templates in a template bank will bring about a reduction in computational costs up to a factor of 10 and a saving on storage by a factor of 100.

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