On the two main classes of active galactic nuclei

On the two main classes of active galactic nuclei
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DOI:
10.1038/s41550-017-0194
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发表时间:
2017-07
期刊:
影响因子:
14.1
通讯作者:
P. Padovani
P. Padovani
中科院分区:
物理与天体物理1区
文献类型:
--
作者:
P. Padovani

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活动星系核(AGN)根据经验分为“射电强”和“射电静”。这些50年前的标签已经过时,误导和错误。我认为,活动星系核应被分类为“喷射”和“非喷射”的基础上的物理差异-存在(或缺乏)强相对论性射流。
Active galactic nuclei (AGNs) are empirically divided into ‘radio-loud’ and ‘radio-quiet’. These 50-year-old labels are obsolete, misleading and wrong. I argue that AGNs should be classified as ‘jetted’ and ‘non-jetted’ based on a physical difference — the presence (or lack) of strong relativistic jets.