High-redshift active galactic nuclei and the next decade of Chandra and XMM-Newton

被引：7
|
作者：
Brandt, W. N. [1 ,2 ,3 ]
Vito, F. [1 ,2 ]
机构：
[1] Penn State Univ, Dept Astron & Astrophys, 525 Davey Lab, University Pk, PA 16802 USA
[2] Penn State Univ, Inst Gravitat & Cosmos, University Pk, PA 16802 USA
[3] Penn State Univ, Dept Phys, 104 Davey Lab, University Pk, PA 16802 USA
来源：
ASTRONOMISCHE NACHRICHTEN | 2017年 / 338卷 / 2-3期
关键词：
galaxies: active; galaxies: high-redshift; galaxies: nuclei; (galaxies:) quasars: general; galaxies: Seyfert; X-rays: galaxies; accretion; accretion disks; black hole physics; X-RAY-EMISSION; DEEP-FIELD-SOUTH; RADIO-QUIET QUASARS; SIMILAR-TO; 5; LUMINOSITY FUNCTION; EDDINGTON RATIO; SPECTRAL SLOPE; EARLY UNIVERSE; ACCRETION; EVOLUTION;
D O I：
10.1002/asna.201713337
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We briefly review how X-ray observations of high-redshift active galactic nuclei (AGNs) at z = 4-7 have played a critical role in understanding their basic demographics as well as their physical processes; for example, absorption by nuclear material and winds, accretion rates, and jet emission. We point out some key remaining areas of uncertainty, highlighting where further Chandra and XMM-Newton observations/analyses, combined with new multiwavelength survey data, can advance understanding over the next decade.
引用
收藏
页码：241 / 248
页数：8
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