Two-dimensional non-LTE \ion{O}{I} 777\,nm line formation in radiation hydrodynamics simulations of Cepheid atmospheres

17 Apr 2019 Vasilyev V. Amarsi A. M. Ludwig H. -G. Lemasle B.

Oxygen abundance measurements are important for understanding stellar structure and evolution. Measured in Cepheids, they further provide clues on the metallicity gradient and chemo-dynamical evolution in the Galaxy... (read more)

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  • SOLAR AND STELLAR ASTROPHYSICS