Binary systems with monopole, spin, and quadrupole moments

Details Binary systems with monopole, spin, and quadrupole moments Binary systems with monopole, spin, and quadrupole moments

Jan 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997phrvd..55..528x&link_type=abstract

Physical Review D (Particles, Fields, Gravitation, and Cosmology), Volume 55, Issue 2, 15 January 1997, pp.528-539

Astronomy and Astrophysics

Astronomy

13

Astrometric And Interferometric Binaries, Approximation Methods, Equations Of Motion, Gravitational Wave Detectors And Experiments, Orbit Determination And Improvement

Scientific paper

The first post-Newtonian equations of motion for binary systems with monopole, spin, and quadrupole interactions are for the first time derived in an explicit and complete form making use of the scheme developed by Damour, Soffel, and Xu, especially their second paper. The equations of motion are expressed in the local coordinate system of body A (B) as well as in a global coordinate system. The monopole-spin-quadrupole ``force'' is decomposed into nine coupling parts, monopole-spin-quadrupole moments of body A coupled with monopole-spin-quadrupole moments of body B. The new terms containing quadrupole moments might be of some importance for a precise description of coalescing neutron star binaries.

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