On the Roche constants for main-sequence binaries

Details On the Roche constants for main-sequence binaries On the Roche constants for main-sequence binaries

Jan 1979

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979ap%26ss..60..191g&link_type=abstract

Astrophysics and Space Science, vol. 60, no. 1, Jan. 1979, p. 191-197.

Astronomy and Astrophysics

Astrophysics

Binary Stars, Main Sequence Stars, Roche Limit, Stellar Evolution, Equipotentials, Mass Ratios, Radii, Stellar Models

Scientific paper

The ratios C1/C2 of the constants defining the equipotential surfaces which describe the external shapes of the components of a close binary system have been calculated on the basis of evolutionary models. Theoretical systems have been considered, allowing for a wide range of input parameters (masses and separation) and taking into account the evolutionary effects on the radii of the stars during their main-sequence lifetime. The systems have not undergone any mass transfer and are representative of detached binaries with main-sequence components. The ratios of the constants are confined to limited intervals and, for the highest values of the mass ratio, they are clustered around unity.

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