A comprehensive study of six Algol type binaries

Details A comprehensive study of six Algol type binaries A comprehensive study of six Algol type binaries

Dec 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011newa...16..530l&link_type=abstract

New Astronomy, Volume 16, Issue 8, p. 530-538.

Astronomy and Astrophysics

Astronomy

Scientific paper

CCD light curves of the Algol type eclipsing binaries DP Cep, AL Gem, FG Gem, UU Leo, CF Tau and AW Vul were analysed using the Wilson-Devinney code and new geometric and absolute parameters were derived. Due to cyclic apparent orbital period changes of the systems, probably caused by the Light-Time Effect, the contribution of a third light was taken into account in the light curve solution. All the reliable timings of minima found in the literature were used to study the period variations and search for the presence of a tertiary component in the systems. A comparison between the parameters of the third body derived from the light curve and orbital period analyses is also discussed. Moreover, the absolute parameters of the eclipsing binary components were also used to determine their current evolutionary state.

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