Comparing Chemical Abundances of the Damped Lyα Systems and Metal-Poor Stars

J. Prochaska
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Abstract

I briefly draw comparisons between the fields of damped Lya and metal-poor stellar abundances. In particular, I examine their complementary age-metallicity relations and comparisons between the damped Lya and dwarf galaxy abundance patterns. Regarding the latter, I describe a series of problems concerning associating high z damped Lya systems with present-day dwarfs.
比较阻尼Lyα系统和贫金属恒星的化学丰度
我简要地比较了潮湿的Lya和缺乏金属丰度的恒星。特别地,我研究了它们的互补年龄-金属丰度关系以及阻尼Lya和矮星系丰度模式之间的比较。关于后者,我描述了一系列关于将高z阻尼Lya系统与当今矮星联系起来的问题。
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