Narrow emission lines from Active Galactic Nuclei (AGNs) are produced bygas photoionized by AGN continuum on scales of pc to 102 pc scales.
活动星系核(AGN)的窄发射线为pc到100pc尺度上的气体被AGN的连续谱光致电离产生。
·2,447,543篇论文数据,部分数据来源于NoteExpress
It shows you emission lines, no absorption lines.
你们看到发射谱线,不是吸收谱线。
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A hot gas is producing emission lines only, no continuum.
热气体只产生放射谱线,那是不连续的。
Majority (554 in number) of the emission lines has been identified.
我们辨认了这个光源发射的大部分谱线共554条。
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