Gravity and effective temperature distribution on the surface of contact binary systems

Details Gravity and effective temperature distribution on the surface of contact binary systems Gravity and effective temperature distribution on the surface of contact binary systems

Jul 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008an....329..596t&link_type=abstract

Astronomische Nachrichten, Vol.329, Issue 6, p.596

Statistics

Applications

Binaries: Close, Stars: Fundamental Parameters, Stars: Individual (Aw Uma, Oo Aql)

Scientific paper

The aim of this work is to study the gravity and the effective temperature distribution on the outer equipotential surface of a contact binary. In particular, the lines of constant g, (the iso-g curves), are computed and plotted on the outer surface C_s of contact configurations. Since the gravity distribution would also specify the effective temperature distribution on the binary's common photosphere through the gravity darkening effect, these lines correspond to isothermals too. Applications have been made to two contact binaries; namely, to AW UMa and OO Aql, two systems with very different mass ratios.

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