Detection of Gravitational Waves from Eccentric Compact Binaries

Details Detection of Gravitational Waves from Eccentric Compact Binaries Detection of Gravitational Waves from Eccentric Compact Binaries

1999-08-13

arxiv.org/abs/gr-qc/9908043v1

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

5 pages, 2 figures, to appear in the proceedings of the 8th Canadian Conference on General Relativity and Relativistic Astroph

Scientific paper

10.1063/1.1301562

Coalescing compact binaries have been pointed out as the most promising source of gravitational waves for kilometer-size interferometers such as LIGO. Gravitational wave signals are extracted from the noise in the detectors by matched filtering. This technique performs really well if an a priori theoretical knowledge of the signal is available. The information known about the possible sources is used to construct a model of the expected waveforms (templates). A common assumption made when constructing templates for coalescing compact binaries is that the companions move in a quasi-circular orbit. Some scenarios, however, predict the existence of eccentric binaries. We investigate the loss in signal-to-noise ratio induced by non-optimal filtering of eccentric signals.

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