Astrophysics and Space Science

, Volume 174, Issue 2, pp 321–325 | Cite as

A discussion on the classification and evolution of symbiotic stars

  • Parag Seal
Letter to the Editor


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.


Effective Temperature Asymptotic Giant Branch Evolutionary Track Cool Component Bolometric Luminosity 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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Copyright information

© Kluwer Academic Publishers 1990

Authors and Affiliations

  • Parag Seal
    • 1
  1. 1.Kapteyn LaboratoriumGroningenThe Netherlands

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