%V 353
%L discovery17016
%T The role of non-gray model atmospheres in the evolution of low mass metal poor stars
%C Tartu, ESTONIA
%K THERMONUCLEAR REACTION-RATES, LINE LIST, STELLAR ATMOSPHERES, MOLECULAR OPACITIES, MAIN-SEQUENCE, INTENSITIES, STATE
%A GJ Harris
%A AE Lynas-Gray
%A J Tennyson
%A S Miller
%E HJGLM Lamers
%E N Langer
%E T Nugis
%E K Annuk
%B Stellar Evolution at Low Metallicity: Mass Loss, Explosions, Cosmology
%X Gray model atmospheres are generally considered a reasonable approximation to make upon stars of mass greater than about 0.6 M-circle dot. Here we show that non-gray atmospheres can significantly affect evolutionary models, with masses up to 0.9 M-circle dot. The effect of including a non-gray atmosphere is strongest in the pre-main and post-main Sequence. This may have implications for the ages of the oldest globular clusters.
%I ASTRONOMICAL SOC PACIFIC
%P 83 - 90
%D 2006