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The distribution and lifetime of powerful radio galaxies as a function of environment and redshift

机译:强大的无线电星系的分布和寿命与环境和红移的关系

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摘要

Correlations between jet power and active time for z < 0.1 high excitation and low excitation radio galaxies are explored as well as evidence in favor of a specific, non-random distribution for these objects including mid-infrared emitting radio galaxies as a function of environment and redshift. In addition, so-called weak line radio galaxies with FRII jet morphology have been identified as a class of active galaxies in the process of shutting down. This paper identifies common features between these seemingly disparate phenomena described above for the population of radio galaxies, and strings them together by way of a simple phenomenological framework that has shed light on the radio loud/radio quiet dichotomy, the jet-disk connection, and the distribution of all active galaxies as a function of redshift.
机译:研究了z <0.1高激发和低激发射电星系的射流功率与激活时间之间的关系,并证明了这些物体的特定,非随机分布,包括中红外发射射电星系随环境和温度的函数。红移。另外,在关闭过程中,具有FRII射流形态的所谓的弱线射电星系已被确认为一类活动星系。本文确定了上述针对射电星系人口的这些看似完全不同的现象之间的共同特征,并通过一个简单的现象学框架将它们串联在一起,该现象阐明了射电大声/射电安静的二分法,喷气盘连接以及所有活动星系的分布是红移的函数。

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