Observational Limit on Gravitational Waves from Binary Neutron Stars in the Galaxy

Details Observational Limit on Gravitational Waves from Binary Neutron Stars in the Galaxy Observational Limit on Gravitational Waves from Binary Neutron Stars in the Galaxy

1999-03-31

arxiv.org/abs/gr-qc/9903108v2

Phys.Rev.Lett.83:1498,1999

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

RevTeX, minor revisions, exactly as published in PRL 83 (1999) p1498, 4 pages, 2 figures included

Scientific paper

10.1103/PhysRevLett.83.1498

Using optimal matched filtering, we search 25 hours of data from the LIGO 40-meter prototype laser interferometric gravitational-wave detector for gravitational-wave chirps emitted by coalescing binary systems within our Galaxy. This is the first test of this filtering technique on real interferometric data. An upper limit on the rate R of neutron star binary inspirals in our Galaxy is obtained: with 90% confidence, R< 0.5/hour. Similar experiments with LIGO interferometers will provide constraints on the population of tight binary neutron star systems in the Universe.

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