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List of black holes
This is a list of black holes (and stars considered probable candidates) organized by size (including black hole stars of undetermined mass); some items in this list are galaxies or star clusters that are believed to be organized around a black hole. Messier and New General Catalogue designations are given where possible.
==Supermassive black holes and candidates==
* 1ES 2344+514
* 3C 75
* 3C 371
* 4C +37.11 (this radio galaxy is believed to have binary supermassive black holes)
* AP Lib
* APM 08279+5255 (contains the largest black hole estimated at 23 billion solar masses)
* Arp 220
* Centaurus A
* EXO 0706.1+5913
* Fornax A
* HE0450-2958
* IC 1459
* J1728.2+5013
* MCG-6-30-15
* Messier 31 (or the Andromeda Galaxy)
* Messier 32
* Messier 51 (or the Whirlpool Galaxy)
* Messier 60
* Messier 77
* Messier 81 (or Bode's Galaxy)
* Messier 84
* Messier 87 (or Virgo A)
* Messier 104 (or the Sombrero Galaxy)
* Messier 105
* Messier 106
* Mrk 180
* Mrk 421
* Mrk 501
* NGC 821
* NGC 1023
* NGC 1097
* NGC 1277; the central supermassive black hole is listed as fourth largest, and it is unusually large in proportion to the host galaxy, being 14% of the mass, instead of the usual 0.1%
* NGC 1566
* NGC 2778
* NGC 2787
* NGC 3079
* NGC 3115
* NGC 3245
* NGC 3377
* NGC 3384
* NGC 3608
* NGC 3894
* NGC 3998
* NGC 4151
* NGC 4261
* NGC 4291
* NGC 4342
* NGC 4350
* NGC 4438
* NGC 4459
* NGC 4473
* NGC 4486B (a satellite galaxy of Messier 87)〔(M87's satellite galaxy NGC 4486B ), ''SEDS''〕
* NGC 4564
* NGC 4579
* NGC 4596
* NGC 4697
* NGC 4742
* NGC 4791
* NGC 4849
* NGC 4889 (contains the second largest supermassive black hole, estimated at 21 billion solar masses.)
* NGC 4945
* NGC 5033
* NGC 5845
* NGC 6251
* NGC 7052
* NGC 7457
* OJ 287 (a BL Lac object containing the fifth largest supermassive black hole until NGC 4889's discovery, estimated at 18 billion solar masses)
* PKS 0521-365
* PKS 0548-322
* PKS 2201+044
* Q0906+6930 (a blazar organized around a supermassive black hole)
* RX J1131 (first black hole whose spin was directly measured)
* Sagittarius A
*, which is in the centre of the Milky Way
* Andromeda In the center of Andromeda Galaxy
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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