The Observation and Study of Shallow-contact Binary Systems

Details The Observation and Study of Shallow-contact Binary Systems The Observation and Study of Shallow-contact Binary Systems

Aug 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009aspc..404..194h&link_type=abstract

The Eighth Pacific Rim Conference on Stellar Astrophysics: A Tribute to Kam-Ching Leung ASP Conference Series, Vol. 404, proceed

Astronomy and Astrophysics

Astrophysics

Scientific paper

The shallow-contact binary is a system with low degree of contact, short orbital period and late spectral type. It is a bridge to connect detached binary system, semi-detached binary system with contact binary system. The study of the common convective envelope (CCE) of shallow-contact binary system is important to know how the CCE comes into being because the CCE of shallow-contact binary system is very thin. We have observed several systems (e.g. RV Psc, AW Vir, II CMa, AD Cnc). And we study their basic parameters using W-D method. The period studies will help us to understand their structure and evolution.

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