overcontact binary system

English - English

Definition of overcontact binary system in English English dictionary

(Bilgisayar) A close binary system in which each star has filled and expanded well beyond its Roche lobe. The system therefore consists of two stellar cores surrounded by a common, dumbbell-shaped convective envelope. Such a system is often an eclipsing binary of the W Ursae Majoris type. See also Common Envelope Binary

Hyphenation

overcontact bi·na·ry sys·tem