The core-saturation method with partial redistribution

Details The core-saturation method with partial redistribution The core-saturation method with partial redistribution

Feb 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984a%26a...131..399s&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 131, no. 2, Feb. 1984, p. 399, 400. Sponsorship: Deutsche Forschungsgemeinscha

Mathematics

3

Astronomical Spectroscopy, Line Spectra, Radiation Distribution, Radiative Transfer, Algebra, Functions (Mathematics), Iteration, Molecular Spectra, Vector Analysis

Scientific paper

The core-saturation technique for calculating the radiation field in spectral lines (Rybicki, 1971) is extended to cases where partial redistribution is important. The authors discretize the frequency space and derive a general vector equation relating the source function S to the mean intensities. The components of S are then used in a lambda iteration to determine the specific intensities. Numerical tests show that the efficiency and accuracy of this method are maintained.

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