A photometric study of the recently discovered contact binary ET Leonis

Details A photometric study of the recently discovered contact binary ET Leonis A photometric study of the recently discovered contact binary ET Leonis

Dec 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004aspc..318..189t&link_type=abstract

In Spectroscopically and Spatially Resolving the Components of the Close Binary Stars, Proceedings of the Workshop held 20-24 Oc

Astronomy and Astrophysics

Astronomy

1

Scientific paper

New photoelectric B and V band light curves of the contact binary ET Leonis were studied to determine the physical parameters of the system. The observations were obtained at TÜBITAK National Observatory (TUG) on consecutive nights in March 2003. The light curves exhibit the so-called O'Connell effect with the level of the second maxima being higher than that of the first in both bands. The amplitudes of the light curves are very small, indicating a relatively low orbital inclination angle. The new light curves and the radial velocity curve were analysed simultaneously using the last version of the Wilson-Devinney Code (WD-2003). The analysis yields a W-type W UMa system viewed at a very low orbital inclination angle.

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