Physics
Scientific paper
Jan 1983
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983soph...82..223k&link_type=abstract
(International Astronomical Union and Akademiia Nauk SSSR, Colloquium on Problems of Solar and Stellar Oscillations, 66th, Nauch
Physics
3
Opacity, Solar Oscillations, Stellar Evolution, Stellar Models, Abundance, Adiabatic Conditions, Heavy Elements, Mass Distribution, Solar Temperature
Scientific paper
Evolutionary models of the present Sun with standard and artificially low opacity of stellar matter are obtained and adiabatic nonradial oscillations of the models are computed. The opacity κ in nonstandard model was taken half as much as the Cox-Stewart opacity. The central temperature in such model is approximately 10% below the 'standard' values, which can explain the neutrino experiment results. Unlike solar models with very low heavy element abundance, the low κ model has approximately standard mass concentration and distribution of the matter in the outer layers - specifically, the standard characteristics of the convection zone. Hence, the spectrum of adiabatic oscillations is similar to that of the standard models and has the same capabilities for the explanation of the observed pulsations.
Kuzurman P. A.
Pamiatnykh A. A.
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