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Connections between MWG Star Clusters and Dwarf Galaxies

机译:MWG星集群与矮星之间的连接

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1. Introduction It seems that in the past decade, there have been two paradigm shifts regarding star clusters. Firstly, the observational evidence for multiple stellar populations requires more extended and often complex star formation histories in star clusters. Secondly, theoretical models that form globular clusters in dwarf galaxies that are accreted at very early epochs (z > 5) are able to reproduce the age-metallicity relations observed. For the accretion scenario to be viable, globular clusters should also resemble the chemistry of at least some dwarf galaxies.
机译:1.介绍似乎在过去十年中,有两个关于明星集群的范式转变。首先,多种恒星群体的观察证据需要在星簇中更加延长和通常复杂的星形形成历史。其次,在非常早期的时期(Z> 5)中形成的矮星形成球状簇的理论模型能够再现观察到的年龄金属关系。对于要可行的accretion场景,球状群也应该类似于至少一些矮星的化学性。

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