Astronomy and Astrophysics – Astrophysics
Scientific paper
Feb 1977
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977ap%26ss..46..261a&link_type=abstract
Astrophysics and Space Science, vol. 46, Feb. 1977, p. 261-284.
Astronomy and Astrophysics
Astrophysics
17
Eclipsing Binary Stars, Fourier Analysis, Light Curve, Limb Darkening, Variable Stars, Spectrum Analysis, Stellar Luminosity, Stellar Magnitude, Stellar Occultation
Scientific paper
The aim of the present paper has been to present an analysis of the light curve of two eclipsing systems RW Gem and AY Cam by Fourier analysis of the light changes in the frequency domain which was developed by Kopal (1975a, b, c, d, C; 1976). In Section 1, the subject is introduced in a general way, with the intention of laying the foundation of the light curve analysis. Section 2 contains the evaluation of the empirical values of the theoretical moment A2m is demonstrated, with the equation of the condition given. Then the equations for A2m in terms of the elements of the total and the annular eclipses, including partial and annular phase of transit eclipse, follow. The analysis of the light curves of the two eclipsing binaries (RW Gem and AY Cam), the results and the discussion of our solution, are outlined in Section 3
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