Non-conservative evolution of low-mass, close binaries with gravitational radiation and systemic mass losses

Details Non-conservative evolution of low-mass, close binaries with gravitational radiation and systemic mass losses Non-conservative evolution of low-mass, close binaries with gravitational radiation and systemic mass losses

Feb 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983ap%26ss..90..245c&link_type=abstract

Astrophysics and Space Science (ISSN 0004-640X), vol. 90, no. 2, Feb. 1983, p. 245-260.

Astronomy and Astrophysics

Astrophysics

2

Binary Stars, Gravitational Waves, Stellar Evolution, Angular Momentum, Companion Stars, Radii, Roche Limit, Stellar Mass Ejection

Scientific paper

The evolution of a low mass, close binary system driven primarily by gravitational radiation is followed with the assumption that the mass-losing component obeys an empirical mass-radius relation and continuously fills its Roche lobe. The possibility that some mass may be lost from the system carrying off various amounts of angular momentum is incorporated in the formulation. In addition, allowance is made for the uncertainty in the Landau-Lifshitz formula for gravitational quadrupole radiation. The simplicity of the formulation allows the effects of the various parameters describing the mass-radius relation, the modes of mass and angular momentum losses, etc., to be fully explored. Also discussed are the condition for the Roche-lobe to be continuously filled and the possibility of estimating the minimum period.

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