Stellar Atmosphere Modeling
In this note, the formalism used to compute a simple stellar atmosphere model is described. The definition of a stellar atmosphere is strongly connected with the radiation field crossing the boundary layers of a star: the atmosphere is composed of those layers where photons interact with matter for the last time before leaving the star. The goal of a model is to calculate the radiation field at all frequencies, depths and directions consistent with the properties of matter (temperature, number densities, pressure, etc.) at all depths.
KeywordsRadiation Field Electron Number Density Radiative Transfer Equation Stellar Atmosphere Statistical Equilibrium Equation
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