contact binary

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contact binary

See binary star; equipotential surfaces.

contact binary

[′kän‚takt ′bī‚ner·ē]
(astronomy)
A binary system at least one of whose components fills its Roche lobe and in which mass exchange is taking place.
References in periodicals archive ?
Co-author Dr Markus Lohr, from the Open University, told BBC News that these contact binaries were stars that orbit so closely they share an outer atmosphere.
This is the third in a series of reports of observations of anipodean W Uma contact binaries.
1 & 2 wherein a comprehensive summary of W UMa contact binaries is presented.
The computer simulation began with the assumption that all asteroids big enough to make craters more than 20 kilometers across were contact binaries.
This is the second in a series of reports of observations of antipodean W Uma contact binaries.
I refer the reader to MNASSA Volume 71 Nos 2 & 3 wherein a comprehensive summary of W UMa contact binaries is presented.
This is the first in a series of reports of observations on anipodean W Uma contact binaries.
This is the fourth in a series of reports of observations of antipodean W Uma contact binaries observed from the northern outskirts of Johannesburg, S.