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Title:
Standard solar model
Authors:
Guenther, D. B.; Demarque, P.; Kim, Y.-C.; Pinsonneault, M. H.
Affiliation:
AA(Yale University, New Haven, CT), AB(Yale University, New Haven, CT), AC(Yale University, New Haven, CT), AD(Yale University, New Haven, CT)
Publication:
Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 387, March 1, 1992, p. 372-393. (ApJ Homepage)
Publication Date:
03/1992
Category:
Solar Physics
Origin:
STI
NASA/STI Keywords:
SOLAR ATMOSPHERE, SOLAR INTERIOR, SOLAR OSCILLATIONS, STELLAR MODELS, EQUATIONS OF STATE, HELIOSEISMOLOGY, HYDRODYNAMIC EQUATIONS, OPACITY
DOI:
10.1086/171090
Bibliographic Code:
1992ApJ...387..372G

Abstract

A set of solar models have been constructed, each based on a single modification to the physics of a reference solar model. In addition, a model combining several of the improvements has been calculated to provide a best solar model. Improvements were made to the nuclear reaction rates, the equation of state, the opacities, and the treatment of the atmosphere. The impact on both the structure and the frequencies of the low-l p-modes of the model to these improvements are discussed. It is found that the combined solar model, which is based on the best physics available (and does not contain any ad hoc assumptions), reproduces the observed oscillation spectrum (for low-l) within the errors associated with the uncertainties in the model physics (primarily opacities).

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