Effect of opacity on the convective-envelope parameters in solar models

Details Effect of opacity on the convective-envelope parameters in solar models Effect of opacity on the convective-envelope parameters in solar models

Aug 1995

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995azh....72..549b&link_type=abstract

Astronomicheskij Zhurnal, vol. 72, p. 549

Astronomy and Astrophysics

Astronomy

3

Solar Convection (Astronomy), Stellar Models, Solar Atmosphere, Opacity, Helium, Stellar Structure, Stellar Envelopes

Scientific paper

High-precision calculations of a set of standard models of the Sun internal structure, using different opacity tables, are presented. Models are compared on the basis of two clue parameters-helium abundance and specific entropy in the convective zone. Effect of opacity on these two parameters in the radiative interiors is studied. Comparison of standard models, based on different opacity tables, shows that specific entropy in the envelope diminishes with growing opacity in the radiative zone, whereas helium abundance grows with opacity growing in the core. Investigation of static nonevolving models with modified opacities indicates to a general correlation between the envelope specific entropy and opacity in the radiative zone, outside the energy release region.

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