Fourier analysis of the light curves of eclipsing variables. IV

Astronomy and Astrophysics – Astrophysics

Scientific paper

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Eclipsing Binary Stars, Fourier Analysis, Light Curve, Variable Stars, Eclipses, Limb Darkening, Occultation, Tables (Data)

Scientific paper

The methods of analysis of the light changes of eclipsing variables in the frequency domain, developed in previous papers (Kopal, 1975b, c) for total or annular eclipses of arbitrarily limb-darkened stars, have now been extended to the case of partial eclipses of occultation as well as transit type. The even Fourier sine coefficients are formulated - in the guise of the moments A(2m) of the light curve - in terms of the elements of the eclipse; their use for a solution for the elements is detailed. A brief appendix containing certain auxiliary tables to facilitate this task concludes the paper.

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