Fourier analysis of the light changes of four Algol-type eclipsing variables

Details Fourier analysis of the light changes of four Algol-type eclipsing variables Fourier analysis of the light changes of four Algol-type eclipsing variables

Aug 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984ap%26ss.103..115a&link_type=abstract

Astrophysics and Space Science (ISSN 0004-640X), vol. 103, no. 1, Aug. 1984, p. 115-124.

Astronomy and Astrophysics

Astrophysics

11

Eclipsing Binary Stars, Light Curve, Variable Stars, Fourier Analysis, Hertzsprung-Russell Diagram, Mass To Light Ratios

Scientific paper

An analysis of the light curves of four totally-eclipsing systems (BM Ori VW Cyg, TW Dra, and RW Mon) is presented, based on the automated Fourier techniques in the frequency domain developed by Kopal (1982). The physical and geometrical elements of the systems are derived. The results are found to be in good agreement with similar results for geometric elements recently quoted in the literature. It is concluded that the method applies for the case of deep primary minima, but does not apply well to secondary minima. The views of the three systems, RW Mon, TW Dra, and VW Cyg are compatible with the current observational data concerning Algol-type binaries. The age of the Trapezium in these systems is only 100,000 years old.

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