论文标题
部分可观测时空混沌系统的无模型预测
An AGN with an ionized gas outflow in a massive quiescent galaxy in a protocluster at $\bf z=3.09$
论文作者
论文摘要
我们报告了从$ x $ ray活跃的银河核（AGN）中的电离气体流出的检测，该核（AGN）在$ z = 3.09 $（J221737.29+001823.4）的原始集群中托管的静态星系中托管。这是一个型号QSO，具有宽（$ w_ {80}> 1000 $ km s $ s $ s $^{ - 1} $）和strong（$ \ log（l _ {\ rm [oiii]} $ / erg s $^s $^{ - 1} { - 1}）使用Subaru望远镜上的多对象的红外摄像头和光谱仪（MOIRIR）和凯克-I望远镜上的Infra-Red Exploration（MOSFIRE）的多对象型摄像头（MOIRIR）和光谱仪（MOIRIR）以三位置角度的缝隙光谱仪。在所有缝隙方向上，[o {\ footnotesize iii}]发射扩展到$ \ sim15 $物理kpc，并指示在主机银河系上传播的强大流出。推断的电离气体质量流出率为$ \ rm 22 \ pm3〜m _ {\ odot} 〜yr^{ - 1} $。尽管它是无线电源，但根据使用H $β$，[O {\ footnotesize ii}]和[O {\ footNotesize iii}]的线诊断，中央QSO的光电离是主导的电离机制，而不是由无线电射击引起的冲击。另一方面，宿主星系的光谱能量分布被很好地描述为静态星系，已将恒星形成几百Myr以前。我们的结果表明，QSO在恒星形成的关闭后供电，并有助于完成高红移时大规模静态星系的淬火。
We report the detection of an ionized gas outflow from an $X$-ray active galactic nucleus (AGN) hosted in a massive quiescent galaxy in a protocluster at $z=3.09$ (J221737.29+001823.4). It is a type-2 QSO with broad ($W_{80}>1000$ km s$^{-1}$) and strong ($\log (L_{\rm [OIII]}$ / erg s$^{-1})\approx43.4$) [O {\footnotesize III}]$λλ$4959,5007 emission lines detected by slit spectroscopy in three-position angles using Multi-Object Infra-Red Camera and Spectrograph (MOIRCS) on the Subaru telescope and the Multi-Object Spectrometer For Infra-Red Exploration (MOSFIRE) on the Keck-I telescope. In the all slit directions, [O {\footnotesize III}] emission is extended to $\sim15$ physical kpc and indicates a powerful outflow spreading over the host galaxy. The inferred ionized gas mass outflow rate is $\rm 22\pm3~M_{\odot}~yr^{-1}$. Although it is a radio source, according to the line diagnostics using H$β$, [O {\footnotesize II}], and [O {\footnotesize III}], photoionization by the central QSO is likely the dominant ionization mechanism rather than shocks caused by radio jets. On the other hand, the spectral energy distribution of the host galaxy is well characterized as a quiescent galaxy that has shut down star formation by several hundred Myr ago. Our results suggest a scenario that QSOs are powered after the shut-down of the star formation and help to complete the quenching of massive quiescent galaxies at high redshift.
