Astronomy and Astrophysics – Astrophysics
Scientific paper
Dec 1977
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977ap%26ss..52..271r&link_type=abstract
Astrophysics and Space Science, vol. 52, no. 2, Dec. 1977, p. 271-306. Research supported by the Greek Ministry of Coordination
Astronomy and Astrophysics
Astrophysics
9
Astronomical Photometry, Eclipsing Binary Stars, Fourier Analysis, Light Curve, Limb Darkening, Perturbation Theory
Scientific paper
The aim of the present paper is to find the eclipse perturbations, in the frequency- domain, of close eclipsing systems exhibiting partial eclipses. After a brief introduction, in Section 2 we shall deal with the evaluation of the a~ integrals for partial eclipses and give them in terms of ag, ai (of the associated a-functions) and ~ ~ integrals; while Section 3 gives the eclipse perturbations ~ arising from the tidal and rotational distortion of the two components. The ~ are given for uniformly bright discs (h = 1) as well as for linear and quadratic limb-darkening (h = 2 and 3, respectively). Finally, Section 4 gives a brief discussion of the results and the way in which they can be applied to practical cases
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