论文标题
耀斑从潮汐破坏到高红移AGN的贡献
Contribution of Flares from Tidal Disruption of Stars to high-redshift AGN
论文作者
论文摘要
我们探讨了潮汐破坏事件（TDE）对高红移在高红移的活性银河核（AGN）中的贡献。使用X射线可用的最新数据以及高红移星系的光学观察，结合其中央超级黑洞的演变，我们计算了TDE对AGNS的贡献，作为其亮度的函数。我们发现，在低红移（$ z <1 $）下，所有AGN的百分之几，具有辐射光度$ l _ {\ rm bol} \ Lessim 10^{44} $ erg s $^{ - 1} $可能可归因于可能的TDES。但是，这一比例在较早的宇宙时代可以大大增加，其中包括$ z \ gtrsim 3 $的AGN人口的数百分之几。 TDE可能占$ z \ gtrsim 3 $的Compton-Thick（CT）AGN人群的很大一部分。上面的发现激发了即将进行的X射线任务和针对TDE-AGN的光谱调查的进一步校准。
We explore the contributions of Tidal Disruption Events (TDEs) to the flares in Active Galactic Nuclei (AGN) at high redshifts. Using the latest data available from X-ray and optical observations of high-redshift galaxies, in combination with the evolution of their central supermassive black holes, we calculate the contribution of TDE to AGNs as a function of their luminosities. We find that at low redshifts ($z < 1$), a few percent of all AGN with bolometric luminosities $L_{\rm Bol} \lesssim 10^{44}$ erg s$^{-1}$ may be attributable to possible TDEs. However, this fraction can significantly increase at earlier cosmic times, including up to several tens of percent of the population of AGN at $z \gtrsim 3$. TDEs may comprise a significant fraction of the Compton-Thick (CT) AGN population at $z \gtrsim 3$. The above findings motivate further calibration with upcoming X-ray missions and spectroscopic surveys targeting TDE-AGN.
