On the R- and S-modes in a synchronously rotating component of a binary

Details On the R- and S-modes in a synchronously rotating component of a binary On the R- and S-modes in a synchronously rotating component of a binary

May 1975

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1975a%26a....40..411d&link_type=abstract

Astronomy and Astrophysics, vol. 40, no. 4, May 1975, p. 411-414.

Astronomy and Astrophysics

Astrophysics

Astronomical Models, Binary Stars, Stellar Rotation, Angular Velocity, Modal Response, Oscillations, Perturbation Theory, Tides

Scientific paper

The perturbation procedure derived in a previous paper is applied to obtain the frequencies of the R- and S-modes in a synchronously rotating component of a binary. It is found that a tidal action increases the rotational splitting between the frequencies of the R- and S-modes. This effect is more pronounced when the central concentration of the model is low. It does not seem possible to explain the multiple periodicities of some beta CMa-type stars in terms of R- and S-oscillations in the context of uniform rotation.

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