Model atmospheres and SEDs of chemically peculiar stars

Details Model atmospheres and SEDs of chemically peculiar stars Model atmospheres and SEDs of chemically peculiar stars

2002-09-02

arxiv.org/abs/astro-ph/0209022v1

Astronomy and Astrophysics

Astrophysics

9 pages, 12 figs, summitted to Proc. of IAU110, Uppsala

Scientific paper

Procedure and results of computations of stellar model atmospheres and spectral energy distributions are discussed. Model atmospheres of some chemically peculiar stars are computed taking into account detailed information about their abundances: -- R CrB-like stars of Teff $\sim$ 7000 K, -- Sakurai's object (V4334 Sgr) of 4000 $<$ \Tef $<$ 7000 K -- Przybylski's star of Teff $\sim$ 6500 K. We show that our self-consistent approach provides a unique possibility to investigate the temporal changes of physical parameters of chemically peculiar stars. Some problems of computation of model atmospheres of M and C-giants are also considered.

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