Astronomy and Astrophysics – Astrophysics
Scientific paper
Apr 1979
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979ap%26ss..61..499d&link_type=abstract
Astrophysics and Space Science, vol. 61, no. 2, Apr. 1979, p. 499-506. Research supported by the Ministry of Education of Turke
Astronomy and Astrophysics
Astrophysics
2
Eclipsing Binary Stars, Fourier Analysis, Frequency Response, Light Curve, Convergence, Fourier Series, Series Expansion, Stellar Spectrophotometry
Scientific paper
The cited Fourier techniques are reviewed, and the Fourier coefficients for the analysis are derived, in terms of eclipse elements, in a simple form of series expansions valid for any type of eclipse. A general relation between observed quantities and eclipse elements is obtained in the form of series expansions that can be used for light-curve synthesis. Some properties of the quantities B2m inherent in the frequency-domain approach are then deduced, and a general expression for these quantities in terms of the eclipse elements of a basic model is presented. An expansion into a Fourier sine series is introduced for the loss of light, the Fourier coefficients are given in terms of the same eclipse elements, and a method for increasing the series convergence rate is outlined.
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