3D Model Atmospheres of Red Giant Stars

TL;DR

This paper reviews 3D radiation-hydrodynamics modeling of red giant star atmospheres, highlighting insights gained over traditional 1D models and discussing current challenges in the field.

Contribution

It offers a concise overview of 3D atmospheric modeling for red giants, emphasizing its advantages and current limitations.

Findings

3D models provide deeper insights into stellar atmospheres.

Comparison with 1D models shows significant differences.

Current challenges include computational complexity and model accuracy.

Abstract

We provide a brief overview of the modelling of the atmospheres of red giant stars with the 3D radiation-hydrodynamics code CO5BOLD. We emphasize aspects where 3D modelling provides additional insight beyond standard hydrostatic 1D models, and comment on present modelling challenges.