Non-LTE line formation in the presence of magnetic fields

The equations of radiative transfer and statistical equilibrium in the presence of a magnetic field are presented. A general difference equation scheme for solving the vector transfer equation in Stokes parameters, allowing for arbitrary variations of the magnetic field and other quantities, is desc...

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Veröffentlicht in:	Astrophys. J.; (United States) 1977-09, Vol.216, p.531
Hauptverfasser:	Auer, L. H., Heasley, J. N., House, L. L.
Format:	Artikel
Sprache:	eng
Schlagworte:	640102 - Astrophysics & Cosmology- Stars & Quasi-Stellar, Radio & X-Ray Sources ATMOSPHERES CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS ENERGY LEVELS ENERGY-LEVEL TRANSITIONS MAGNETIC FIELDS MECHANICS RADIATION TRANSPORT SPECTRA STATISTICAL MECHANICS STEADY-STATE CONDITIONS STELLAR ATMOSPHERES STOKES PARAMETERS ZEEMAN EFFECT
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Beschreibung
Zusammenfassung:	The equations of radiative transfer and statistical equilibrium in the presence of a magnetic field are presented. A general difference equation scheme for solving the vector transfer equation in Stokes parameters, allowing for arbitrary variations of the magnetic field and other quantities, is described. The solution of the Stokes non--LTE problem for Ca II by the complete linearization method is described, and numerical examples of the procedure are presented.
ISSN:	0004-637X 1538-4357
DOI:	10.1086/155495