0 Non-conservative Evolution of Cataclysmic Variables
—We suggest a new mechanism to account for the loss of angular momentum in binaries with non-conservative mass exchange. It is shown that in some cases the loss of matter can result in increase of the orbital angular momentum of a binary. If included into consideration in evolutionary calculations, this mechanism appreciably extends the range of mass ratios of components for which mass exchange in binaries is stable. It becomes possible to explain the existence of some observed cataclysmic binaries with high donor/accretor mass ratio, which was prohibited in conservative evolution models.
Evolutionary processes in close binary stars
The evolutionary processes of close binary stars have been examined. It is found that there is a strong deficit of binaries evolving in CaseA in the whole mass range. Probably the binary stars having binary separation corresponding to CaseA evolution cannot form.
Binary and Multiple Stars as Tracers of Stellar Evolution (Book Review)
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