On the Origin of Nova-Like Binary Systems
Abstract
Nova-like binary systems are similar to W UMa-systems in their basic physical characteristics. Outwardly such systems are different — nova-like systems contain a white dwarf as a component, while both components of a W UMa-system are near the Main Sequence. A hypothesis is proposed, seeking the origin of contact W UMa-type systems in a fission of rapidly-rotating helium isothermal core of an evolved giant star. The contraction of the more massive component leads to the formation of a white dwarf and, consequently, to a transformation of a W UMa-type system into a nova-like system.
- Publication:
-
Astrophysics and Space Science
- Pub Date:
- April 1975
- DOI:
- 10.1007/BF00640101
- Bibcode:
- 1975Ap&SS..33..325G
- Keywords:
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- Binary Stars;
- Novae;
- Stellar Evolution;
- White Dwarf Stars;
- Astronomical Models;
- Energy Dissipation;
- Giant Stars;
- Main Sequence Stars;
- Stellar Envelopes;
- Stellar Rotation;
- Astrophysics