Comparison of the pulsational and lateral oscillation modes of a homogeneous spherical system

Details Comparison of the pulsational and lateral oscillation modes of a homogeneous spherical system Comparison of the pulsational and lateral oscillation modes of a homogeneous spherical system

Jun 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982azh....59..471b&link_type=abstract

(Astronomicheskii Zhurnal, vol. 59, May-June 1982, p. 471-475.) Soviet Astronomy, vol. 26, May-June 1982, p. 286-288. Translatio

Astronomy and Astrophysics

Astronomy

Astronomical Models, Pulsars, Spheres, Stellar Gravitation, Stellar Oscillations, Ellipsoids, Equations Of Motion

Scientific paper

The periods of different modes of nonlinear oscillation for the case of a homogeneous gravitating sphere are compared. An ellipsoid of revolution undergoing alternate stretching and flattening along the vertical axis is considered, and the superposition of two pulsational oscillations serving to distend the sphere in two mutually orthogonal directions in the equatorial plane, but in antiphase, are addressed in a linear approximation. The results may be applicable to a variety of astrophysical processes, especially those occurring in pulsating stars.

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