Hydrodynamical model atmospheres and 3D spectral synthesis

Details Hydrodynamical model atmospheres and 3D spectral synthesis Hydrodynamical model atmospheres and 3D spectral synthesis

2007-04-10

arxiv.org/abs/0704.1176v1

Astronomy and Astrophysics

Astrophysics

6 pages, 2 figures, to appear in the Proceedings of the ESO/Lisbon/Aveiro Workshop "Precision Spectroscopy in Astrophysics", e

Scientific paper

10.1007/978-3-540-75485-5_29

We discuss three issues in the context of three-dimensional (3D) hydrodynamical model atmospheres for late-type stars, related to spectral line shifts, radiative transfer in metal-poor 3D models, and the solar oxygen abundance. We include a brief overview about the model construction, taking the radiation-hydrodynamics code CO5BOLD (COnservative COde for the COmputation of COmpressible COnvection in a BOx of L Dimensions with L=2,3) and the related spectral synthesis package Linfor3D as examples.

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