Abstract
Mohan and Saxena's approach of using the averaging technique of Kippenhahn and Thomas in conjunction with Kopal's method of evaluating various parameters on the Roche equipotentials has been used to compute the effects of rotation and tidal distortions on the periods of small adiabatic radial and nonradial modes of oscillations of a series of composite models of stars. In these stars the density decreases slowly in the core from the centre to the interface and then falls of rapidly in the envelope from the interface to the outer surface.
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Mohan, C., Agarwal, S.R. Effects of rotation and tidal distortions on the periods of adiabatic oscillations of composite models of stars. Astrophys Space Sci 129, 73–94 (1987). https://doi.org/10.1007/BF00717859
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DOI: https://doi.org/10.1007/BF00717859