Combined Stellar Structure and Atmosphere Models: Exploratory Results for Wolf-Rayet Stars

Details Combined Stellar Structure and Atmosphere Models: Exploratory Results for Wolf-Rayet Stars Combined Stellar Structure and Atmosphere Models: Exploratory Results for Wolf-Rayet Stars

1994-10-14

arxiv.org/abs/astro-ph/9410046v1

Astronomy and Astrophysics

Astrophysics

JD16 IAU General Assembly, "Astrophysical Applications of Powerful New Atomic Databases", ASP Conf. Series, Eds. S. Adelman, W

Scientific paper

In this paper we present Complete Stellar models (CoStar) for massive stars, which treat the stellar interior and atmosphere, including its wind. Particular emphasis is given to Wolf-Rayet stars. We address the question of the effective temperatures of WNE and WC stars. Our first results show a satisfactory agreement between the CoStar models and the simple temperature correction method applied by Schaller et al. (1992). An analyses of the subphotospheric structure of the WR star models shows the importance of metal opacity. This may be essential for understanding the driving mechanism of Wolf-Rayet winds.

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