Gravitational waves production from stellar encounters around massive black holes

Details Gravitational waves production from stellar encounters around massive black holes Gravitational waves production from stellar encounters around massive black holes

2009-06-26

arxiv.org/abs/0906.4923v1

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

6 pages, 3 figures; Multifrequency Behaviour of High-Energy Cosmic Sources, Vulcano Workshop 2009

Scientific paper

The emission of gravitational waves from a system of massive objects interacting on elliptical, hyperbolic and parabolic orbits is studied in the quadrupole approximation. Analytical expressions are then derived for the gravitational wave luminosity, the total energy output and gravitational radiation amplitude. A crude estimate of the expected number of events towards peculiar targets (i.e. globular clusters) is also given. In particular, the rate of events per year is obtained for the dense stellar cluster at the Galactic Center.

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