Opacity calculations for solar mixtures
Journal Article
·
· Astrophysical Journal, Supplement Series
- CEA, DAM, DIF, F-91297 Arpajon (France)
The OPAS opacity model has been used to calculate the radiative opacity of stellar plasmas in local thermodynamic equilibrium. According to the recent chemical composition revision of the solar photosphere, opacities have been computed for various hydrogen and metallic element mass fractions. Calculations have been performed toward solar interior modeling for temperatures between log[T(K)]=6 and log[T(K)]=7.2, and for electron densities between 10{sup 20} and 10{sup 26} cm{sup −3}. We discuss possible sources of uncertainty in the calculations. We also compare Rosseland opacities to OPAL and OP data.
- OSTI ID:
- 22872422
- Journal Information:
- Astrophysical Journal, Supplement Series, Journal Name: Astrophysical Journal, Supplement Series Journal Issue: 1 Vol. 220; ISSN 0067-0049; ISSN APJSA2
- Country of Publication:
- United States
- Language:
- English
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