论文标题
部分可观测时空混沌系统的无模型预测
Connection between Emission and Absorption Outflows through the Study of Quasars with Extremely-High Velocity Outflows
论文作者
论文摘要
最近发现的流出类别，极高的流出（EHVO）可能是理解反馈过程的关键，因为它可能是质量能量最强大的。在红移1.052 <z_em <7.641处观察到了这些EHVO，但是尚未研究发射中流出的潜在连接。我们发现Ehvos尽管目前数量很少，但似乎显示出独特的CIV和HEII属性。特别是，EHVO在类星体中更为主要是CIV排放线的大蓝，这表明这些极端流出的发射与吸收量超出签名之间存在联系。我们还发现流出的最大速度的初期趋势，这与先前在Balqsos中发现的相似，但是现在将以前的研究扩展到速度高达〜0.2C。我们发现，在考虑其CIV排放性能时，我们发现样品的辐射仪仪，爱丁顿比和黑洞质量总体上非常相似。这几乎是HEII EW的案例，因为我们观察到了HEII强度的暂定上限，即可托管EHVO。这项研究表明，诸如EHVOS之类的极端流出出现在类星体中，显然与Balqso总体不同，并巩固了在发射和吸收中观察到的流出之间的关系。
A recently-discovered class of outflows, extremely high-velocity outflows (EHVOs), may be key to understanding feedback processes as it is likely the most powerful in terms of mass-energy. These EHVOs have been observed at redshifts 1.052 < z_em < 7.641, but the potential connection with outflows in emission had not been studied. We find that EHVOs, albeit their small numbers at the moment, appear to show distinct CIV and HeII properties. In particular, EHVOs are more predominant in quasars with large blueshifts of the CIV emission line, suggesting a connection between emission and absorption outflowing signatures for these extreme outflows. We also find incipient trends with the maximum velocity of the outflows, which is similar to what has been previously found in BALQSOs, but now extending previous studies to speeds up to ~0.2c. We find the bolometric luminosities, Eddington ratios, and black hole masses of our sample are overall very similar from the general quasar population upon considering their CIV emission properties. This is close to the case for HeII EW as we observe a tentative upper limit to the HeII strength for a quasar to host an EHVO. This study shows that extreme outflows such as EHVOs appear in quasars that are clearly a distinct class from the overall BALQSO population, and solidify the relation between outflows observed in emission and in absorption.
