Physics
Scientific paper
Jun 2005
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005kfnts...5...95s&link_type=abstract
Kinematika i Fizika Nebesnykh Tel, Suppl, v. 5, p. 95-100
Physics
Scientific paper
We present the results of a theoretical investigation of the impact of NLTE effects and of granulation inhomogeneities on the iron and oxygen abundances in the metal-poor star HD 140283 and in the Sun. Our analysis is based on both the classical one-dimensional (1D) stellar atmosphere models and on a new generation of three-dimensional (3D) hydrodynamical models. We consider the Sun as a reference star. The solar iron and oxygen abundances are redefined.
Shchukina Nataliya G.
Trujillo Bueno Javier
Vasiljeva I. E.
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