UX Ret and CN Hyi: hipparcos photometry analysis

Details UX Ret and CN Hyi: hipparcos photometry analysis UX Ret and CN Hyi: hipparcos photometry analysis

Feb 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005ap%26ss.295..463w&link_type=abstract

Astrophysics and Space Science, Volume 295, Issue 4, pp.463-472

Astronomy and Astrophysics

Astrophysics

4

Binary Stars: Subcategory, Contact Binary Stars: Ux Ret, Cn Hyi

Scientific paper

We present an analysis of the Hipparcos photometry of the contact binary systems UX Ret and CN Hyi. The Wilson-Devinney code is employed to model the V band light curve for several fixed values of the mass ratio. From the quality-of-fit of the different solutions a final solution is derived for each system. Absolute values of the system are derived using the parallax data from the Hipparcos catalog. Analysis of the V band photometry of two stars (EL Aqr and FN Cam) with spectroscopically known mass ratios is also provided as a validation for the methods adopted for this study.

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