Stellar Atmosphere Modeling

descriptionPublicationkeyboard_double_arrow_right Part of book or chapter of book , Other literature type 01 Jan 2004 English Publisher:Birkhäuser Boston

Authors: Loïc Chevallier;

doi: 10.1007/978-0-8176-8184-5_7

Stellar Atmosphere Modeling

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Abstract

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.

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