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On the model of symbiotic stars

Published online by Cambridge University Press:  12 April 2016

A. V. Tutukov  and
L. R. Yungelson
A. V. Tutukov
Affiliation:
Astronomical Council, USSR Ac. of Sci.
L. R. Yungelson
Affiliation:
Astronomical Council, USSR Ac. of Sci.

Abstract

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We discuss conditions necessary for appearance and discovery of the symbiotic star phenomenon within the model of a binary consisting of a red (super)giant 3 Mʘ not filling the Roche lobe and of an accreting hot degenerate CO-dwarf 0.8 Mʘ. Within this model “classical” symbiotic stars may exist only within a narrow region of mass accretion rates and separations of components: 10-7 ≲ Ṁ ≲ 3.10-7 Mʘ/y and 3.1013 ≲ a ≲ 2.1014 cm. The evolutionary status of symbiotic stars and related objects and the mechanisms of their variability are discussed.

Type
Session IV - Evolutionary Considerations
Information
International Astronomical Union Colloquium , Volume 70: The Nature of Symbiotic Stars , 1982 , pp. 283 - 296
Copyright
Copyright © Reidel 1982

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