Astronomy and Astrophysics – Astronomy
Scientific paper
Dec 1983
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983mnras.205..945l&link_type=abstract
Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 205, Dec. 1983, p. 945-953. Research supported by CAICY
Astronomy and Astrophysics
Astronomy
1
Binary Stars, Gravitational Waves, Momentum Theory, Newton Theory, Radiant Flux Density, Stellar Motions, Center Of Mass, Quadrupoles, Secular Variations
Scientific paper
The mean time rate of change of the Newtonian energy and momentum of a clean, point-like, nearly-Newtonian binary is studied. It is found that some post-post-Newtonian non-secular terms must be added to the standard secular radiative fluxes. The post-post-Newtonian terms go to zero for the Newtonian center of mass observer in the case of the energy but not in the case of momentum. Because of the long period of these post-post-Newtonian terms they are observationally significant, i.e., in practice they will appear as if they were secular effects.
Lapiedra Ramon
Luis Sanz José
Portilla Miguel
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