IRAS 13349+2438复合吸收的高速分量
A high velocity component to the complex absorption in IRAS 13349+2438
摘要：
本文分析了低红移类星体IRAS 13349+2438的XMM-牛顿谱。RGS光谱显示了大量的吸收线，从两个温暖的吸收区，与$\sim$-600 km s $^{-1}$的速度，如以前的作者指出。此外，我们从多个Lyα吸收线中找到了以前未发现的超快吸收区的有力证据，流出速度为$-0.13\pm0.01c$。暖吸收体和超快外流体的质量外流率相似，约为爱丁顿吸积率的40%，但动能主要由高速气体支配，其动能为爱丁顿光度的$\sim$ 4%。
英文摘要：
We present an analysis of XMM-Newton spectra of the low-redshift quasar IRAS 13349+2438. The RGS spectrum shows a large number of absorption lines from two zones of warm absorption, with velocities of $\sim$-600 km s$^{-1}$, as noted by previous authors. Additionally, we find robust evidence from multiple Lyα absorption lines for a previously undiscovered ultra-fast zone of absorption, with an outflow velocity of $-0.13\pm0.01c$. The warm absorbers and ultra-fast outflow have similar mass outflow rates, around 40% of the Eddington accretion rate, but the kinetic power is dominated by the high velocity gas, which has a power of $\sim$4% of the Eddington luminosity.
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