Astronomy and Astrophysics – Astrophysics
Scientific paper
Jun 1983
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983mnras.203.1049f&link_type=abstract
Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 203, June 1983, p. 1049-1062. Research supported by the
Astronomy and Astrophysics
Astrophysics
104
Binary Stars, Black Holes (Astronomy), Gravitational Waves, Momentum, Stellar Motions, Astrophysics, Center Of Mass, Kepler Laws, Stellar Evolution, Tides
Scientific paper
Following Bekenstein's (1973) work on recoiling black holes, the gravitational wave linear momentum flux from a binary system of two point masses in Keplerian orbit is calculated. The quasi-Newtonian approach is adopted, and the resulting motion of the center of mass is calculated. As such a system decays via gravitational wave energy losses, the size of the orbit decreases until the components merge or become tidally disrupted. Thereafter, the center of mass moves with the linear momentum necessary to balance that carried off by the gravitational waves. In the case of a binary black hole system, the velocity of the center of mass could be of astrophysical significance, although numerical studies would be necessary to check this claim.
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