The NextGen Model Atmosphere grid: II. Spherically symmetric model atmospheres for giant stars with effective temperatures between 3000 and 6800~K

Preprint

14 July 1999

preprint
Published by arXiv in arXiv

https://doi.org/10.48550/arXiv.astro-ph/9907194

Abstract

We present the extension of our NextGen model atmosphere grid to the regime of giant stars. The input physics of the models presented here is nearly identical to the NextGen dwarf atmosphere models, however spherical geometry is used self-consistently in the model calculations (including the radiative transfer). We re-visit the discussion of the effects of spherical geometry on the structure of the atmospheres and the emitted spectra and discuss the results of NLTE calculations for a few selected models.

Keywords

NEXTGEN MODEL ATMOSPHERE
MODEL ATMOSPHERE GRID
RADIATIVE TRANSFER
SYMMETRIC MODEL
ATMOSPHERES
MODELS

All Related Versions

Version 1, 1999-07-14, ArXiv
Published version: The Astrophysical Journal, 525 (2), 871.

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