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astro-ph2000
Calibrations of alpha Cen A & B
P. Morel, J. Provost, Y. Lebreton +2
Detailed evolutionary models of the visual binary alpha Centauri, including pre main-sequence evolution, have been performed using the masses recently determined by Pourbaix et al.…
astro-ph2000★ 47 cited
Non-LTE Abundances and Consequences for the Evolution of the alpha elements in the Galaxy
T. Idiart, F. Thevenin
Abundances of alpha-elements such as Ca and Mg in disk and halo stars are usually derived from equivalent widths lines measured on high resolution spectra, and assuming Local Therm…
astro-ph2000
Non-LTE Effects in Berylium Abundances
T. P. Idiart, F. Thevenin
In this work we analyze the beryllium-iron chemical diagram from the point of view of non-LTE effects. Be abundances were re-calculated by considering non-LTE corrections in ioniza…