A monte carlo model of complex spectra for opacity calculations

M. Klapisch; P. Duffy; W. H. Goldstein

doi:10.1007/BF01426284

A monte carlo model of complex spectra for opacity calculations

M. Klapisch^*
, P. Duffy
, W. H. Goldstein

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

1 Scopus citations

Abstract

We are developing a Monte Carlo method for calculating opacities of complex spectra. It should be faster than atomic structure codes and is more accurate than the UTA method. We use the idea that wavelength-averaged opacities depend on the overall properties, but not the details, of the spectrum; our spectra have the same statistical properties as real ones but the strength and energy of each line is random. In preliminary tests we can get Rosseland mean opacities within 20% of actual values.

Original language	English
Pages (from-to)	S185-S186
Journal	Zeitschrift fur Physik D-Atoms Molecules and Clusters
Volume	21
Issue number	1 Supplement
DOIs	https://doi.org/10.1007/BF01426284
State	Published - Mar 1991
Externally published	Yes

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10.1007/BF01426284

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abstract = "We are developing a Monte Carlo method for calculating opacities of complex spectra. It should be faster than atomic structure codes and is more accurate than the UTA method. We use the idea that wavelength-averaged opacities depend on the overall properties, but not the details, of the spectrum; our spectra have the same statistical properties as real ones but the strength and energy of each line is random. In preliminary tests we can get Rosseland mean opacities within 20\% of actual values.",

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AB - We are developing a Monte Carlo method for calculating opacities of complex spectra. It should be faster than atomic structure codes and is more accurate than the UTA method. We use the idea that wavelength-averaged opacities depend on the overall properties, but not the details, of the spectrum; our spectra have the same statistical properties as real ones but the strength and energy of each line is random. In preliminary tests we can get Rosseland mean opacities within 20% of actual values.

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A monte carlo model of complex spectra for opacity calculations

Abstract

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