Reference : Influence of the equations of state and of the z value on the solar oscillations
Scientific journals : Article
Physical, chemical, mathematical & earth Sciences : Space science, astronomy & astrophysics
Influence of the equations of state and of the z value on the solar oscillations
Shibahashi, H. [> > > >]
Noels-Grötsch, Arlette mailto [Université de Liège - ULg > > Département d'astrophys., géophysique et océanographie (AGO)]
Gabriel, Maurice mailto [> >]
Memorie della Società Astronomica Italiana : Journal of the Italian Astronomical Society
Società Astronomica Italiana
[en] The authors have evolved the standard solar models taking account of the electrostatic correction in the equations of state and the Los Alamos Opacity Library, and computed their eigenfrequencies for p-mode and g-mode oscillations. The contribution of that correction to the pressure is up to several percent in the convective zone, and the present equilibrium models thus obtained have deeper convective zones than the conventional models. These improvements in the equilibrium model reduce the discrepancies between the theoretical frequencies and the observations concurrently for p-mode oscillations with low and high degree l. Theoretical frequencies of g-modes with low l are significantly higher than the observational ones.
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