Astronomy and Astrophysics – Astrophysics
Scientific paper
Oct 1982
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982ap%26ss..87..149k&link_type=abstract
Astrophysics and Space Science, vol. 87, no. 1-2, Oct. 1982, p. 149-191.
Astronomy and Astrophysics
Astrophysics
9
Eclipsing Binary Stars, Light Curve, Stellar Luminosity, Stellar Oscillations, Stellar Rotation, Angular Velocity, Equilibrium Equations, Harmonic Oscillation, Tides, Variable Stars
Scientific paper
A theory is developed for the light changes of eclipsing systems in which one or both components are in free, radial or nonradial oscillation for periods that may, but need not, be synchronized with that of their orbit. Attention is given to the photometric phenomena arising from oscillations of the eclipsing components of close binary systems, partly or entirely cutting off the spherical or distorted star undergoing eclipse. The frequency domain approach employed allows the description of the variety of oscillations in algebraic terms, and will address frequency domain light curves of close binary systems affected by radial oscillations of the eclipsed or eclipsing star, as well as nonradial oscillations of the eclipsing component that may be distorted either by equilibrium tides or by axial rotation with constant angular velocity.
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