根据Chandra/HETGS、NuSTAR和XMM-牛顿观测的类星体PDS 456中超快外流的相对论分量
Relativistic components of the Ultra-Fast Outflow in the Quasar PDS 456 from Chandra/HETGS, NuSTAR and XMM-Newton observations
摘要：
我们介绍了2015年类星体PDS 456的Chandra/HETGS和NuSTAR观测的光谱分析，以及2013-2014年的XMM-Newton和NuSTAR档案数据，以及2003年的Chandra/HETGS数据。我们以一致的方式分析了这三个不同的时期，寻找与铁（和镍）的类H和类He离子以及软带中其他元素（O，Ne，Si和S）的高度电离蓝移吸收线相对应的吸收特征。我们确认存在一个持续的超快外流（UFO），速度为v_out=-0.24 --0.29c，以前检测到的。我们还报告检测到一个额外的更快的组成部分的不明飞行物与相对论速度的v_out=-0.48c。我们实施了光电离建模，使用XSTAR分析模型warmabs，以表征超快流出和PDS 456中检测到的部分覆盖吸收体的不同运动学成分的物理特性。这两个相对论分量的超快外流观测在本文分析的三个时代是强大的，足以通过活动星系核反馈的影响PDS 456的宿主星系。
英文摘要：
We present the spectral analysis of Chandra/HETGS and NuSTAR observations of the quasar PDS 456 from 2015, and XMM-Newton and NuSTAR archival data from 2013-2014, together with Chandra/HETGS data from 2003. We analyzed these three different epochs in a consistent way, looking for absorption features corresponding to highly ionized blueshifted absorption lines from H-like and He-like ions of iron (and nickel), as well as of other elements (O, Ne, Si, and S) in the soft band. We confirm the presence of a persistent ultra-fast outflow (UFO) with a velocity of v_out=-0.24 - -0.29c, previously detected. We also report the detection of an additional faster component of the UFO with a relativistic velocity of v_out=-0.48c. We implemented photoionization modeling, using XSTAR analytic model warmabs, to characterize the physical properties of the different kinematic components of the ultra-fast outflow and of the partial covering absorber detected in PDS 456. These two relativistic components of the ultra-fast outflow observed in the three epochs analyzed in this paper are powerful enough to impact the host galaxy of PDS 456 through AGN feedback.
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