Astronomy and Astrophysics – Astrophysics – General Relativity and Quantum Cosmology
Scientific paper
2007-12-30
Mod.Phys.Lett.A23:99-107,2008
Astronomy and Astrophysics
Astrophysics
General Relativity and Quantum Cosmology
6 pages, 2 figures
Scientific paper
10.1142/S0217732308026236
The emission of gravitational waves from a system of massive objects interacting on hyperbolic orbits is studied in the quadrupole approximation. Analytic expressions are derived for the gravitational radiation luminosity, the total energy output and the gravitational radiation amplitude. An estimation of the expected number of events towards different targets (i.e. globular clusters and the center of the Galaxy) is also given. In particular, for a dense stellar cluster at the galactic center, a rate up to one event per year is obtained.
Capozziello Salvatore
de Paolis Francesco
Ingrosso Gabriele
Laurentis Mariafelicia de
Nucita Achille A.
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