Astrophysics and Space Science

, Volume 174, Issue 2, pp 321–325

A discussion on the classification and evolution of symbiotic stars


  • Parag Seal
    • Kapteyn Laboratorium
Letter to the Editor

DOI: 10.1007/BF00642518

Cite this article as:
Seal, P. Astrophys Space Sci (1990) 174: 321. doi:10.1007/BF00642518


A H-R diagram is drawn from the bolometric luminosities and effective temperatures of 24 symbiotic stars and compared with theoretical evolutionary tracks of Population I metal-rich stars. It is shown that the S-type and D-type symbiotic stars are classified very clearly in course of their evolution and it is suggested that it depends on their cool components, whether it is a normal giant or an asymptotic giant branch star. The recurrent novae are less evolved than classical novae or symbiotic novae.

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© Kluwer Academic Publishers 1990