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Unified Model Atmosphere Studies of Central Stars of Planetary Nebulae

Published online by Cambridge University Press:  07 August 2017

R. Gabler ,
A. Gabler ,
R. H. Méndez  and
R. P. Kudritzki
R. Gabler
Affiliation:
University Observatory, Munich, Federal Republic of Germany
A. Gabler
Affiliation:
University Observatory, Munich, Federal Republic of Germany
R. H. Méndez
Affiliation:
University Observatory, Munich, Federal Republic of Germany
R. P. Kudritzki
Affiliation:
University Observatory, Munich, Federal Republic of Germany

Extract

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A first step in the accurate quantitative spectroscopic analysis of central stars of PN has been based on fitting the results of NLTE, hydrostatic, plane-parallel model atmosphere calculations to the observed H and He absorption-line profiles in high-resolution spectra of bright central stars (Méndez et al. 1988, A&A 190, 113 and subsequent papers). Such analyses have provided very useful determinations of the basic atmospheric parameters: Teff, log g and He abundance.

Type
II. Highlights on the Nuclei
Information
Symposium - International Astronomical Union , Volume 155: Planetary Nebulae , 1993 , pp. 82
Copyright
Copyright © Kluwer 1993