Physical Parameters of Components in Close Binary Systems: IV

Details Physical Parameters of Components in Close Binary Systems: IV Physical Parameters of Components in Close Binary Systems: IV

Mar 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005aca....55..123g&link_type=abstract

Acta Astronomica, v.55, pp.123-140, (2005).

Astronomy and Astrophysics

Astronomy

23

Binaries: Eclipsing, Binaries: Close, Stars: Fundamental Parameters

Scientific paper

The paper presents new geometric, photometric and absolute parameters, derived from combined spectroscopic and photometric solutions, for ten contact binary systems. The analysis shows that three systems (EF Boo, GM Dra and SW Lac) are of W-type with shallow to moderate contact. Seven systems (V417 Aql, AH Aur, YY CrB, UX Eri, DZ Psc, GR Vir and NN Vir) are of A-type in a deep contact configuration. For six systems (V417 Aql, YY CrB, GM Dra, UX Eri, SW Lac and GR Vir) a spot model is introduced to explain the O'Connell effect in their light curves. The photometric and geometric elements of the systems are combined with the spectroscopic data taken at David Dunlap Observatory to yield the absolute parameters of the components.

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