Astronomy and Astrophysics – Astrophysics
Scientific paper
2006-03-24
Astrophys.J.Suppl. 167 (2006) 286-291
Astronomy and Astrophysics
Astrophysics
expanded version, figure and references added, to appear in Astrophysical Journal Supplement Series
Scientific paper
10.1086/507707
Binary systems subject to generic perturbations evolve on quasiperiodic orbits. We derive the most generic class of perturbations, which allow to evaluate secular effects via generalized complex true and eccentric anomaly parameters, by use of the residue theorem. Such perturbations include both the generic Brumberg force and various linear contributions to the conservative dynamics of compact binaries, up to the second post-Newtonian order. As an example, we compute the self-spin contribution to the luminosity due to gravitational radiation of a compact binary consisting of galactic black holes, the most important type of source for LISA. This translates to simply calculate the residue of the instantaneous energy loss in the origin of the complex parameter plane, which illustrates the power of the presented method.
Gergely László Á
Keresztes Zoltán
Mikóczi Balázs
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