A rapidly converging temperature correction procedure using operator perturbation

Details A rapidly converging temperature correction procedure using operator perturbation A rapidly converging temperature correction procedure using operator perturbation

May 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990a%26a...231..278s&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 231, no. 1, May 1990, p. 278-288.

Statistics

Computation

7

Perturbation Theory, Photosphere, Radiative Transfer, Solar Atmosphere, Stellar Atmospheres, Computational Grids, Iterative Solution, Operators (Mathematics), Optical Thickness, Stellar Spectra, Thermodynamic Equilibrium

Scientific paper

The Lambda-operator perturbation technique, known in NLTE line transfer calculations, is used for improving the temperature correction procedure. The approach presented here makes use of the formal solution to the radiative transfer equation and is capable of treating line blanketing effects by considering line opacity distribution functions. The method is shown to overcome all the problems related to the classical Lambda-iteration.

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