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Statistical equilibrium equations for trace elements in stellar atmospheres

Published online by Cambridge University Press:  16 November 2010

R. Monier ,
B. Smalley ,
G. Wahlgren ,
Ph. Stee  and
J. Kubát
J. Kubát*
Affiliation:
Astronomickuý ústav AV ČR, Fričova 298, 251 65 Ondřejov, Czech Republic
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Abstract

The conditions of thermodynamic equilibrium, local thermodynamic equilibrium, and statistical equilibrium are discussed in detail. The equations of statistical equilibrium and the supplementary equations are shown together with the expressions for radiative and collisional rates with the emphasize on the solution for trace elements.

Type
Research Article
Information
European Astronomical Society Publications Series , Volume 43: Non-LTE Line Formation for Trace Elements in Stellar Atmospheres , 2010 , pp. 43 - 54
Copyright
© EAS, EDP Sciences 2010

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