Atomic Collisions and Local Thermodynamic Equilibrium in Stellar Atmospheres

Details Atomic Collisions and Local Thermodynamic Equilibrium in Stellar Atmospheres Atomic Collisions and Local Thermodynamic Equilibrium in Stellar Atmospheres

Jul 1968

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1968rspsa.306...91p&link_type=abstract

Proceedings of the Royal Society of London. Series A, Mathematical and Physical Sciences, Volume 306, Issue 1484, pp. 91-118

Physics

6

Scientific paper

Theoretical and observational evidence for the role of collisions with electrons and neutral atoms in establishing the populations of atomic energy levels in stellar atmospheres are reviewed, with special reference to the problem of defining the range of validity of the approximation of local thermodynamic equilibrium. The discussion refers to stellar continuous spectra, absorption lines and emission lines believed to come from extended envelopes surrounding certain hot stars.

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