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arXiv 1105.0428astro-ph.CO
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旋涡星系化学光度演化的能量约束

Energetic constraints to chemo-photometric evolution of spiral galaxies

Alberto Buzzoni

摘要:

晚型星系的化学光度演化问题的处理依赖于主要的物理参数的能量自洽化学增强的星系质量之间,通过恒星内部的核处理,和系统的光度演化。化学增强是根据所谓的“产率金属丰度”来评估的,这是恒星内部加工质量的金属丰度,受到星系光度历史的限制。

英文摘要:

The problem of chemo-photometric evolution of late-type galaxies is dealt with relying on prime physical arguments of energetic self-consistency between chemical enhancement of galaxy mass, through nuclear processing inside stars, and luminosity evolution of the system. Chemical enhancement is assessed in terms of the so-called "yield metallicity", that is the metal abundance of processed mass inside stars, as constrained by the galaxy photometric history.

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