Astronomy and Astrophysics – Astrophysics
Scientific paper
Dec 1998
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998tx19.confe.476g&link_type=abstract
Abstracts of the 19th Texas Symposium on Relativistic Astrophysics and Cosmology, held in Paris, France, Dec. 14-18, 1998. Eds.:
Astronomy and Astrophysics
Astrophysics
Scientific paper
The secular evolution of a spinning, massive binary system in eccentric orbit is analyzed, considering all spin-orbit and spin-spin effects up to 3/2 post-Newtonian order, both in the equations of motion and in the radiative losses. The description of the eccentric orbit in terms of the true anomaly parametrization provides a simple averaging technique, based on the residue theorem. The evolution equations of the angle variables characterizing the relative orientation of the spin and orbital angular momenta reveal a speed-up effect due to the eccentricity. The dissipative evolution of dynamical and angular variables is presented in the form of a closed system of differential equations.
Gergely László Á
Perjés Zoltán I.
Vasúth Mátyás
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