Tidal friction in close binary stars

Details Tidal friction in close binary stars Tidal friction in close binary stars

May 1977

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977a%26a....57..383z&link_type=abstract

Astronomy and Astrophysics, vol. 57, no. 3, May 1977, p. 383-394.

Astronomy and Astrophysics

Astrophysics

747

Binary Stars, Friction Drag, Gravitational Effects, Stellar Rotation, Tides, Angular Momentum, Perturbation Theory, Stellar Structure, X Ray Binaries, X Ray Stars

Scientific paper

We examine various physical mechanisms which may produce tidal friction in close binary stars. We find that the most efficient in stars with convective envelopes is turbulent viscosity retarding the equilibrium tide, and in stars with radiative envelopes the action of radiative damping on the dynamical tide. Theoretical predictions based on these dissipative processes are in good agreement with the rotational velocities and orbital eccentricities observed in close binaries. The results are applied to the X-ray binaries Her X-1 and Cen X-3.

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