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团星系和场星系的恒星形成性质

, PP. 37-41

Keywords: 星系,星系团,恒星形成率,恒星质量,金属丰度

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Abstract:

通过对团星系和场星系的聚度参数、特征恒星形成率、星系中包含的恒星质量、金属丰度等物理参量的比较,研究了处在不同引力环境中星系的恒星形成性质.研究表明,聚度高的星系主要居于星系团中,大部分低质量星系是场星系,星系的特征恒星形成率与恒星质量和金属丰度之间存在着显著的相关.另外,团星系和场星系在红移小于0.1的范围内仍表现出了明显的宇宙学演化效应.

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