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1983•Symposium - International Astronomical UnionOpen access

Non-LTE Model Atmosphere Analysis of Central Stars

R. H. Méndez, R. P. Kudritzki, K. P. Simon

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Abstract

This review will be concentrated on the determination of the main atmospheric parameters (Teff, log g, helium abundance) of PN nuclei, and of other subluminous objects, by fitting the observed absorption line profiles with theoretical profiles obtained from non-LTE model atmosphere calculations.

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What this paper is about

This review will be concentrated on the determination of the main atmospheric parameters (Teff, log g, helium abundance) of PN nuclei, and of other subluminous objects, by fitting the observed absorption line profiles with theoretical profiles obtained from non-LTE model atmosphere calculations.

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Available abstract

This review will be concentrated on the determination of the main atmospheric parameters (Teff, log g, helium abundance) of PN nuclei, and of other subluminous objects, by fitting the observed absorption line profiles with theoretical profiles obtained from non-LTE model atmosphere calculations.

Key concepts: Atmosphere (unit), Stars, Helium, Atmospheric models, Equivalent width, Astrophysics, Atmospheric sciences, Physics

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