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Tidal Modulation of Radial Oscillations in Components of Circular-Orbit Close Binaries

Published online by Cambridge University Press:  12 April 2016

T. Reyniers  and
P. Smeyers
T. Reyniers
Affiliation:
Instituut voor Sterrenkunde, Katholieke Universiteit Leuven, Belgium
P. Smeyers
Affiliation:
Instituut voor Sterrenkunde, Katholieke Universiteit Leuven, Belgium

Abstract

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A theoretical description is presented of the modulation of a radial oscillation in a uniformly rotating star in a close binary that is subject to the tidal action of a companion moving in a circular orbit. The star is assumed to rotate non-synchronously with the companion’s orbital motion. A tidal modulation of a radial oscillation has been observed in the star θ Tucanae by Sterken (1997) and De Mey et al. (1998).

Type
Part 1.2. Pulsations in Close Binaries
Information
International Astronomical Union Colloquium , Volume 185: Radial and Nonradial Pulsations as Probes of Stellar Physics , 2002 , pp. 80 - 81
Copyright
Copyright © Astronomical Society of the Pacific 2002

References

De Mey, K., Daems, K., & Sterken, C. 1998, A&A, 336, 527 Google Scholar
Kevorkian, J. & Cole, J.D. 1996, Multiple scale and perturbation methods (Springer Verlag)Google Scholar
Sterken, C. 1997, A&A, 325, 563 Google Scholar