SMSS J215728.21-360215.1

SMSS J215728.21-360215.1，通常稱為J2157-3602，是迄截至2018年 (2018-Missing required parameter 1=month!)^[update]所知成長最快的黑洞（英语：List of most massive black holes）和最強大的類星體。這個類星體的紅移z=4.75^[1]，對應於同移距離為距離地球7026236518261814520♠25×10⁹ ly和光行距7026118259130907260♠12.5×10⁹ ly。澳大利亞國立大學在2018年5月宣布它是賽丁泉天文台的星圖家望遠鏡（英语：SkyMapper）發現的。它的內在熱輻射光度是7014695000000000000♠6.95×10¹⁴ L_☉（7041266000000000000♠2.66×10⁴¹ W）^{[1][3][4][5][6]}。

SMSS J215728.21-360215.1
觀測資料 (曆元 )
赤經	21h 57m 28.21s
赤緯	-36° 02′ 15.1″
紅移	4.75[1] or 4.692[2]
其它名稱
J2157-3602
See also: 類星體, 類星體列表

在2020年7月，根據即將發表在《皇家天文學會月刊》上的一項研究，該類星體中心的黑洞質量據說高達340億太陽質量 ^[7][8][2]。

參考資料

1. Wolf, Christian; Bian, Fuyan; Onken, Christopher; Schmidt, Brian; Tisserand, Patrick; Alonzi, Noura; Hon, Wei Jeat; Tonry, John. Discovery of the most ultra-luminous QSO using Gaia, SkyMapper and WISE. Publications of the Astronomical Society of Australia. May 11, 2018, 35. Bibcode:2018PASA...35...24W. arXiv:1805.04317 . doi:10.1017/pasa.2018.22.
2. Christopher A Onken, Fuyan Bian, Xiaohui Fan, Feige Wang, Christian Wolf, Jinyi Yang, thirty-four billion solar mass black hole in SMSS J2157–3602, the most luminous known quasar, Monthly Notices of the Royal Astronomical Society, August 2020, doi:10.1093/mnras/staa1635 
3. Overbye, Dennis. A Very Hungry Black Hole Is Found, Gorging on Stars. The New York Times. May 17, 2018 [May 25, 2018]. （原始内容存档于2021-05-05）.
4. Paoletta, Rae. Newly Discovered 'Monster' Black Hole Has a Terrifying Diet. Yahoo News. May 15, 2018 [May 25, 2018]. （原始内容存档于2020-10-09）.
5. Scalise, Joseph. Newly discovered black hole is fastest growing on record. The Space Reporter. May 16, 2018 [May 15, 2018]. （原始内容存档于2020-07-05）.
6. Papadopoulos, Loukia. Fastest Growing Black Hole Ever Has Been Discovered by Astronomers. Interesting Engineering. May 21, 2018 [May 25, 2018]. （原始内容存档于2022-02-02）.
7. Eric Mack, Monstrous black hole found devouring about one sun every day, CNet, July 2, 2020, The yawning void known as J2157 eats stars like ours for breakfast. Perhaps every breakfast.
8. Phil Plait, IN THE DISTANT UNIVERSE A SUPERMASSIVE BLACK HOLE EATS A SUN *A DAY*, Syfy Wire: Bad Astronomy (Syfy), Jul 1, 2020 [2020-10-09], （原始内容存档于2021-05-11）