Volume 398, Number 1, January IV 2003
|Page(s)||377 - 383|
|Published online||14 January 2003|
Sidereal time analysis as a tool for the study of the space distribution of sources of gravitational waves
CRAL-Observatoire de Lyon, 69561 Saint-Genis Laval Cedex, France
2 Astronomical Institute of the Saint-Petersburg University, 198504 St.-Petersburg, Russia
3 Isaac Newton Institute of Chile, St.-Petersburg Branch, Russia
Corresponding author: G. Paturel, firstname.lastname@example.org
Accepted: 15 October 2002
Gravitational wave (GW) detectors operating on a long time range can be used for the study of space distribution of sources of GW bursts or to put strong upper limits on the GW signal of a wide class of source candidates. For this purpose we propose here a sidereal time analysis to analyze the output signal of GW detectors. Using the characteristics of some existing detectors, we demonstrate the capability of the sidereal time analysis to give a clear signature of different localizations of GW sources: the Galactic Center, the Galactic Plane, the Supergalactic plane, the Great Attractor. On the contrary, a homogeneous 3D-distribution of GW sources gives a signal without features. In this paper we consider tensor gravitational waves with randomly oriented polarization. We consider GW detectors at fixed positions on the Earth, and a fixed orientation of the antenna.
Key words: gravitational waves / methods: data analysis / methods: statistical
© ESO, 2003
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