On the line emission profile and line source function in the case of partial redistribution

Details On the line emission profile and line source function in the case of partial redistribution On the line emission profile and line source function in the case of partial redistribution

Mar 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987apj...314..822f&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 314, March 15, 1987, p. 822-829.

Astronomy and Astrophysics

Astrophysics

Astronomical Spectroscopy, Emission Spectra, Line Shape, Line Spectra, Radiative Transfer, Atomic Energy Levels, Electron Density (Concentration), Integral Equations

Scientific paper

The mathematical expression of the line emission profile ψν is obtained in the case of a two-level atom plus continuum: ψν is independent of the level's populations and abundances and depends only on effective temperature, electronic density, and mean intensity Jν. In addition, the knowledge of ψν gives the opportunity to obtain a general expression of the line source function Sνl and the recovery of all the particular and possible cases for Sνl.

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