Analysis of the light curves of RT Persei by automatized Fourier techniques

Details Analysis of the light curves of RT Persei by automatized Fourier techniques Analysis of the light curves of RT Persei by automatized Fourier techniques

Sep 1978

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978ap%26ss..58....3e&link_type=abstract

Astrophysics and Space Science, vol. 58, no. 1, Sept. 1978, p. 3-19.

Astronomy and Astrophysics

Astrophysics

4

Eclipsing Binary Stars, Fourier Analysis, Light Curve, Stellar Luminosity, Lagrangian Equilibrium Points, Limb Darkening, Stellar Rotation, Stellar Spectrophotometry

Scientific paper

A method has been developed by Kopal (1977) to make use of expressions for the fractional loss of light of arbitrarily limb-darkened stars in the form of Hankel transforms of zero order, in order to evaluate the explicit forms of the fractional light losses for different types of eclipse, as well as of the moments of the respective light curves in a closed form. The automated method has been tested successfully on the light curves of RT Persei. Also, a photometric curve fit of RT Persei is investigated by application of numerical quadratures to determine the theoretical light curve appropriate for the Roche model. Finally a comparative discussion is given of various methods of light-curve analysis.

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