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Name the most massive black holes

Name the most massive black holes (includes probable candidates)
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Nebdeb
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Last updated: February 19, 2026
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First submittedFebruary 19, 2026
Times taken27
Average score1.3%
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Answer
Phoenix A
IC 1101
4C +74.13
TON 618
SDSS 143148.09+053558
SDSS J114833.14+193003.2
NGC 3842
SMSS J215728.21-360215.1
SDSS J102325.31+514251.0
Abell 1201 BCG
H1821+643
NGC 6166
4C +37.11
ESO 383-76
2MASS J13260399+7023462
ESO 444-46
UGC 10143
APM 08279+5255
Holmberg 15A
NGC 4889
SDSS J074521.78+734336.1
OJ 287 primary
NGC 1600
SDSS J010013.02+280225.8
SDSS J08019.69+373047.3
SDSS J115954.33+201921.1
SDSS J075303.34+423130.8
SDSS J080430.56+542041.1
SDSS J081855.77+095848.0
NGC 1270
SDSS J082535.19+512706.3
S5 0014+81
SDSS J013127.34-032100.1
ICRF J131043.3-555211
PSO J334.2028+01.4075
RX J1532.9+3021
QSO B2126-158
NGC 1281
SDSS J015741.57-010629.6
SDSS J230301.45-093930.7
SDSS J140821.67+025733.2
SDSS J075819.70+202300.9
CID-947
SDSS J080956.02+502000.9
SDSS J014214.75+002324.2
Messier 87
NGC 5419
SDSS J025905.63+001121.9
SDSS J094202.04+042244.5
QSO B0746+254
QSO B2149-306
SDSS J090033.50+421547.0
Messier 60
SDSS J011521.20+152453.3
QSO B0222+185
Hercules A (3C 348)
SDSS J075403.60+481428.0
SDSS J150752.66+133844.5
Abell 1836-BCG
SDSS J213023.61+122252.0
SDSS J173352.23+540030.4
WISE J104222.11+164115.3
SDSS J025021.76-075749.9
NGC 1271
SDSS J030341.04-002321.9
QSO B0836+710
SDSS J162752.18+541912.5
SDSS J224956.08+000218.0
SDSS J030449.85-000813.4
SDSS J234625.66-001600.4
ULAS J1120+0641
QSO 0537-286
NGC 3115
Q0906+6930
SDSS J025231.19+034112.7
QSO B0805+614
Messier 84
Pōniuāʻena
Answer
PKS 2059+034
Abell 3565-BCG
NGC 7768
NGC 1277
SDSS J233254.46+151305.5
QSO B225155+2217
QSO B1210+330
Cygnus A
Sombrero Galaxy
Markarian 501
PG 1426+015
3C 109
3C 273
ULAS J1342+0928
SDSS J155053.16+052112.1
Messier 49
NGC 1399
PG 0804+761
PG 1617+175
PG 1700+518
UGC 12591
SDSS J214611.58-070449.2
SDSS J020151.65+012902.5
SDSS J113029.48+634620.4
NGC 4261
PG 1307+085
SDSS J134617.54+622045.5
SAGE0536AGN
NGC 1275
3C 390.3
II Zwicky 136
PG 0052+251
Messier 59
PG 1411+442
Markarian 876
PG 0953+414
PG 0026+129
Fairall 9
NGC 7727
Markarian 1095
Andromeda Galaxy
OJ 287 secondary
PG 1211+143
Messier 105
Markarian 509
RX J124236.9-111935
Messier 85
NGC 5548
Messier 88
Messier 81
Markarian 771
Messier 58
PG 0844+349
Centaurus A
Markarian 79
Messier 96
Markarian 817
NGC 3227
NGC 4151 primary
3C 120
Markarian 279
NGC 3516
NGC 863
Messier 82
Messier 108
M60-UCD1
NGC 3783
Markarian 110
Markarian 335
NGC 4151 secondary
NGC 7469
IC 4329A
NGC 4593
Messier 61
Sagittarius A*
Messier 32
NGC 4395
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