Astronomy and Astrophysics – Astrophysics
Scientific paper
2005-12-08
Phys.Rev.D75:024016,2007
Astronomy and Astrophysics
Astrophysics
11 pages, 7 figures, revised version
Scientific paper
10.1103/PhysRevD.75.024016
We study prospects of a method to constrain the inclination of a coalescing compact binary by detecting its gravitational waves associated with a three-dimensionally localized (direction and distance) short-hard gamma-ray burst. We take advantage of a synergy of these two observations, and our method can be applied even with a single interferometer. For a nearly face-on binary the inclination angle $I$ can be constrained in the range 1-1/SNR < cosI \le 1 (SNR: the signal to noise ratio of gravitational wave detection), provided that the error of the distance estimation is negligible. This method would help us to study properties of the short-hard bursts, including potentially collimated jet-like structures as indicated by recent observation.
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