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Tracing Galaxy Evolution by their Present-Day Luminosity Function

机译:通过其现代光度函数追踪银河系的演化

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Galaxy luminosity functions are derived for different morphologicaltypes and various colors of galaxies, to trace the evolutionary effects which apriori should be different for void and supercluster galaxies. We also analysehow the galaxy group content changes in the large-scale environment. Oneof the principal results is the conclusion that the evolution of spiral galaxiesis almost independent of the global environment. Meanwhile, the luminosityfunction of elliptical galaxies depends strongly on the environment. This showsthat the global environmental density is an important factor in the formationof elliptical galaxies. The results of the present study clearly show that, exceptthe local/group environment, the global (supercluster-void) environment playsan important role in the formation and evolution of galaxies.
机译:对于不同形态类型和不同颜色的星系,推导了银河系的光度函数,以追踪对于无效星系和超集群星系而言先验应该不同的进化效应。我们还分析了在大规模环境中银河系含量的变化。主要结论之一是得出结论,认为螺旋星系的演化几乎与全球环境无关。同时,椭圆星系的光度函数在很大程度上取决于环境。这表明全球环境密度是形成椭圆星系的重要因素。本研究的结果清楚地表明,除了局域/群环境外,全球(超聚类空洞)环境在星系的形成和演化中起着重要作用。

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