[1009.5042] Gravitational waves from binaries on unbound orbits

Authors: János Majár, Péter Forgács, Mátyás Vasúth

Date: 25 Sep 2010

Abstract: A generalized true anomaly-type parametrization, convenient to describe both bound and open orbits of a two-body system in general relativity is introduced. A complete description of the time evolution of both the radial and of the angular equations of a binary system taking into account the first order post-newtonian (1PN) is given. The gravitational radiation field emitted by the system is computed in the 1PN approximation including higher multipole moments beyond the standard quadrupole term. The gravitational waveforms in the time domain are explicitly given up to the 1PN order for unbound orbits, but the results are also illustrated on binaries on elliptic orbits with special attention given to the effects of eccentricity.

abs pdf

Sep 29, 2010

1009.5042 (/preprints)
2010-09-29, 15:36 [edit]


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