Bugs in the methods for determining the effective temperatures of ionizing stars in symbiotics and novae

Details Bugs in the methods for determining the effective temperatures of ionizing stars in symbiotics and novae Bugs in the methods for determining the effective temperatures of ionizing stars in symbiotics and novae

Jun 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985esasp.236..197t&link_type=abstract

In ESA Recent Results on Cataclysmic Variables p 197-199 (SEE N86-20287 10-93)

Physics

Novae, Photoionization, Stellar Models, Stellar Temperature, Symbiotic Stars, Nebulae, Stellar Evolution, White Dwarf Stars

Scientific paper

Using models of photoionized nebulae, methods for determining the effective temperatures of ionizing stars in symbiotics and novae in the nebular stage were tested. It is found that the methods seriously underestimate the stellar temperatures for Teff 150,000 K. It is suggested that symbiotics and novae may possess stars much hotter than the value of 150,000 K quoted in the literature. This agrees with the theory of these objects which predicts that the white dwarfs after a nova-like outburst should go through a phase of very high effective temperatures.

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