Periodic perturbations in close binary systems due to tidal lag

Details Periodic perturbations in close binary systems due to tidal lag Periodic perturbations in close binary systems due to tidal lag

Dec 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982ap%26ss..88..401z&link_type=abstract

Astrophysics and Space Science, vol. 88, no. 2, Dec. 1982, p. 401-427.

Astronomy and Astrophysics

Astrophysics

4

Binary Stars, Periodic Variations, Perturbation Theory, Stellar Oscillations, Approximation, Secular Variations, Stellar Rotation, Tides, Time Lag

Scientific paper

Following the Zafiropoulos and Kopal (1983a, b) investigations of the effects of rotational and tidal distortion for nonlagging tides on the orbital elements of a close binary system, secular and periodic perturbations caused by dynamical tides are considered. Three components of disturbing accelerations for tidal lag have been substituted in the Gaussian form of Lagrange's planetary equations in order to give the first-order approximation. The results obtained are expressed by Hansen coefficients and include the effects produced by the second, third and fourth harmonic dynamical tide.

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