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Some investigations about the Carson opacities

Published online by Cambridge University Press:  04 August 2017

Arthur N. Cox  and
Russell B. Kidman
Arthur N. Cox
Affiliation:
Theoretical Division, Los Alamos National Laboratory, University of California, Los Alamos, New Mexico 87545 USA
Russell B. Kidman
Affiliation:
Theoretical Division, Los Alamos National Laboratory, University of California, Los Alamos, New Mexico 87545 USA

Extract

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Accurate opacities for stellar composition mixtures are needed for all studies of stellar structure, evolution, stability, and pulsation. In several cases it appears that larger opacities in the range of temperature near one million kelvin would assist is resolving some current discrepancies between observations of stars and some theoretical predictions. Opacities published by Carson, Mayers, and Stibbs (1968) and more recently modified and available informally, have this larger opacity in this temperature region compared to the widely used Los Alamos opacities. See the tables of Cox and Stewart (1965, 1970ab) and Cox and Tabor (1976). It is therefore of great interest to see if the actual cause of the differences between these two sets of opacities can be found and discussed.

Type
I. EVOLUTION OF LOW AND INTERMEDIATE MASS STARS OBSERVATIONS AND MODELS
Information
Symposium - International Astronomical Union , Volume 105: Observational Tests of the Stellar Evolution Theory , 1984 , pp. 41 - 46
Copyright
Copyright © Reidel 1984 

References

Carson, T.R., Mayers, D.F. and Stibbs, D.W.N. 1968, M.N.R.A.S. 140, 483.CrossRefGoogle Scholar
Cloutman, L.D. 1973, Ap. J. 184, 675.Google Scholar
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Cox, A.N. and Stewart, J.N. 1970b, Ap. J. Suppl, 19, 261.Google Scholar
Cox, A.N. and Tabor, J.E. 1976, Ap. J. Suppl. 31, 271.CrossRefGoogle Scholar
Huebner, W.F., Merts, A.L., Magee, N.H., and Argo, M.F. 1977 Los Alamos Scientific Laboratory report LA-6760-M.Google Scholar
Magee, N.H., Merts, A.L., and Huebner, W.F. 1983, Ap. J. submitted.Google Scholar