Standard model atmospheres for A-type stars and non-LTE effects

Details Standard model atmospheres for A-type stars and non-LTE effects Standard model atmospheres for A-type stars and non-LTE effects

2004-11-09

arxiv.org/abs/astro-ph/0411240v1

IAU Symp. 224 (2004) 13-22

Astronomy and Astrophysics

Astrophysics

to appear in The A Star Puzzle, IAU Symp. 224, J. Zverko, W. W. Weiss, J. Ziznovsky & S. J. Adelman eds., Cambridge Univ. Pres

Scientific paper

10.1017/S1743921304004326

The current status of NLTE model atmosphere calculations of A type stars is reviewed. During the last decade the research has concentrated on solving the restricted NLTE line formation problem for trace elements assuming LTE model atmospheres. There is a general lack of calculated NLTE line blanketed model atmospheres for A type stars, despite the availability of powerful methods and computer codes that are able to solve this task. Some directions for future model atmosphere research are suggested.

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