A thirty-four billion solar mass black hole in SMSS J2157-3602, the most luminous known quasar

被引：13

作者：

Onken, Christopher A. ^{[1
,2
,3
]}

Bian, Fuyan ^{[4
]}

Fan, Xiaohui ^{[5
]}

Wang, Feige ^{[5
]}

Wolf, Christian ^{[1
,2
,3
]}

Yang, Jinyi ^{[5
]}

机构：

[1] Australian Natl Univ, Res Sch Astron & Astrophys, Canberra, ACT 2611, Australia

[2] Australian Natl Univ, Ctr Gravitat Astrophys, Res Sch Phys, Acton, ACT 2601, Australia

[3] Australian Natl Univ, Ctr Gravitat Astrophys, Res Sch Astron & Astrophys, Acton, ACT 2601, Australia

[4] European Southern Observ, Alonso Cordova 3107,Casilla 19001, Santiago 19, Chile

[5] Univ Arizona, Steward Observ, 933 North Cherry Ave, Tucson, AZ 85721 USA

来源：

MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY | 2020年 / 496卷 / 02期

基金：

澳大利亚研究理事会; 美国国家科学基金会; 英国科学技术设施理事会;

关键词：

galaxies: active; quasars: individual: SMSS J215728.21-360215.1; DIGITAL SKY SURVEY; REDSHIFT; SPECTROSCOPY; ULTRAVIOLET; DISCOVERY; EMISSION; WFCAM;

D O I：

10.1093/mnras/staa1635

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

From near-infrared spectroscopic measurements of the Mg II emission line doublet, we estimate the black hole (BH) mass of the quasar, SMSS J215728.21-360215.1, as being (3.4 +/- 0.6) x 10(10) M circle dot and refine the redshift of the quasar to be z = 4.692. SMSS J2157 is the most luminous known quasar, with a 3000 angstrom luminosity of (4.7 +/- 0.5) x 10(47) erg s(-1) and an estimated bolometric luminosity of 1.6 x 10(48) erg s(-1), yet its Eddington ratio is only similar to 0.4. Thus, the high luminosity of this quasar is a consequence of its extremely large BH - one of the most massive BHs at z > 4.

引用

页码：2309 / 2314

页数：6

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