List of most massive star clusters

Below are lists of the most massive known star clusters in solar masses (M) and sorted in descending order.

Methods for mass estimation

Globular cluster

Globular cluster masses can be determined by observing the proper motion of nearby stars influenced by the cluster[1][2] or by estimating the cluster's relaxation time.[3]

Open clusters

The masses of open star clusters can be estimated by measuring the falloff of radial and tangential velocities of surrounding stars at a particular distance.[4]

List

Globular clusters

List of most massive globular clusters
Cluster name Mass (M);
(Sun = 1×100)
Galaxy Notes
[BHK2005] 326[a] 5.50×107[5] Condor Galaxy
[DBT2008] NGC 4571 5 4.68×107[6] NGC 4571
[DBT2008] NGC 4449 398 3.89×107[6] NGC 4449
[BHK2005] 311 3.63×107[5] Condor Galaxy
[BHK2005] 53 3.63×107[5] Condor Galaxy
[DBT2008] NGC 5457 1102 2.82×107[6] Pinwheel Galaxy
[BHK2005] 347 2.29×107[5] Condor Galaxy
[DBT2008] NGC 4713 2 2.09×107[6] NGC 4713
[BHK2005] 76 1.62×107[5] Condor Galaxy
[BHK2005] 14 1.58×107[5] Condor Galaxy
[DBT2008] NGC 5457 3 1.38×107[6] Pinwheel Galaxy
[BHK2005] 315 1.35×107[5] Condor Galaxy
[BHK2005] 320 1.35×107[5] Condor Galaxy
[BHK2005] 118 1.20×107[5] Condor Galaxy
[BHK2005] 338 1.17×107[5] Condor Galaxy
B037-V327 1.08+0.17
−0.049
×107
[7]
Andromeda Galaxy
[BHK2005] 331 1.05×107[5] Condor Galaxy
[BHK2005] 352 1.02×107[5] Condor Galaxy
Mayall II 1×107[8] Andromeda Galaxy
[BHK2005] 2 7.76×106[5] Condor Galaxy
Markarian 71 7.24×106[9] NGC 2366
[DBT2008] NGC 5457 691 6.61×106[6] Pinwheel Galaxy
B082-G144 6.42+0.16
−0.38
×106
[7]
Andromeda Galaxy
B023-G078 6.22+0.03
−0.05
×106
[10]
Andromeda Galaxy Potentially contains an intermediate-mass black hole of 9.1+2.6
−2.8
×104
 M.[10]
B127-G185 5.31+0.28
−0.40
×106
[7]
Andromeda Galaxy
[DBT2008] NGC 4571 4 5.25×106[6] NGC 4571
[BHK2005] 64 5.25×106[5] Condor Galaxy
[BHK2005] 206 5.13×106[5] Condor Galaxy
[BHK2005] 227 5.13×106[5] Condor Galaxy
[DBT2008] NGC 5457 658 4.90×106[6] Pinwheel Galaxy
[DBT2008] DDO 165 16 4.79×106[6] DDO 165
[DBT2008] NGC 5457 1033 4.79×106[6] Pinwheel Galaxy
[BHK2005] 210 4.57×106[5] Condor Galaxy
[BHK2005] 303 4.57×106[5] Condor Galaxy
B151-G205 4.36+0.16
−0.20
×106
[7]
Andromeda Galaxy
G001-MII 4.24+0.99
−0.58
×106
[7]
Andromeda Galaxy
B225-G280 4.20+0.32
−0.35
×106
[7]
Andromeda Galaxy
ω Centauri (3.94±0.02)×106[11] Milky Way Most massive star cluster in the Milky Way.[11]
[DBT2008] NGC 5457 643 3.89×106[6] Pinwheel Galaxy
[BHK2005] 257 3.57×106[5] Condor Galaxy
[DBT2008] NGC 5457 1149 3.16×106[6] Pinwheel Galaxy
B129 3.12+0.11
−0.13
×106
[7]
Andromeda Galaxy
B088-G150 2.86+0.33
−0.14
×106
[7]
Andromeda Galaxy
B163-G217 2.72+0.11
−0.092
×106
[7]
Andromeda Galaxy
[DBT2008] NGC 4713 11 2.69×106[6] NGC 4713
[DBT2008] NGC 2552 17 2.69×106[6] NGC 2552
[BHK2005] 374 2.69×106[5] Condor Galaxy
[BHK2005] 248 2.63×106[5] Condor Galaxy
B042-G104 2.62+0.30
−0.15
×106
[7]
Andromeda Galaxy
[DBT2008] NGC 5457 247 2.51×106[6] Pinwheel Galaxy
B338-G076 2.49+0.28
−0.46
×106
[7]
Andromeda Galaxy
[BHK2005] 264 2.45×106[5] Condor Galaxy
[BHK2005] 229 2.40×106[5] Condor Galaxy
[BHK2005] 258 2.40×106[5] Condor Galaxy
[DBT2008] NGC 4713 100 2.34×106[6] NGC 4713
B158-G213 2.28+0.25
−0.15
×106
[7]
Andromeda Galaxy
[BHK2005] 241 2.14×106[5] Condor Galaxy
[BHK2005] 301 2.14×106[5] Condor Galaxy
[BHK2005] 282 2.04×106[5] Condor Galaxy
B103-G165 2.02+0.13
−0.17
×106
[7]
Andromeda Galaxy
[BHK2005] 369 2.00×106[5] Condor Galaxy
B193-G244 1.96+0.086
−0.065
×106
[7]
Andromeda Galaxy
[DBT2008] NGC 4713 63 1.95×106[6] NGC 4713
[BHK2005] 354 1.95×106[5] Condor Galaxy
B063-G124 1.93+0.27
−0.25
×106
[7]
Andromeda Galaxy
B019-G072 1.89+0.26
−0.10
×106
[7]
Andromeda Galaxy
[DBT2008] NGC 4485 49 1.86×106[6] NGC 4485
B171-G222 1.84+0.16
−0.083
×106
[7]
Andromeda Galaxy
B039-G101 1.81+0.23
−0.16
×106
[7]
Andromeda Galaxy
[DBT2008] NGC 5457 47 1.78×106[6] Pinwheel Galaxy
HK NGC 2403 221 1.75×106[12] NGC 2403
[BHK2005] 304 1.74×106[5] Condor Galaxy
[BHK2005] 93 1.70×106[5] Condor Galaxy
[BHK2005] 176 1.70×106[5] Condor Galaxy
B306-G029 1.67+0.21
−0.11
×106
[7]
Andromeda Galaxy
[BHK2005] 224 1.66×106[5] Condor Galaxy
B218-G272 1.64+0.27
−0.18
×106
[7]
Andromeda Galaxy
B124-NB10 1.60+0.52
−0.55
×106
[7]
Andromeda Galaxy
MITA140 1.57+0.14
−0.15
×106
[7]
Andromeda Galaxy
[DBT2008] NGC 4485 453 1.55×106[6] NGC 4485
[DBT2008] NGC 5457 1029 1.55×106[6] Pinwheel Galaxy
B091D-D058 1.54+0.094
−0.11
×106
[7]
Andromeda Galaxy
[DBT2008] NGC 5457 1120 1.51×106[6] Pinwheel Galaxy
B020-G073 1.51+0.21
−0.16
×106
[7]
Andromeda Galaxy
B116-G178 1.45+0.16
−0.073
×106
[7]
Andromeda Galaxy
[DBT2008] NGC 4713 50 1.44×106[6] NGC 4713
[DBT2008] NGC 4713 9 1.44×106[6] NGC 4713
[DBT2008] NGC 4485 101 1.44×106[6] NGC 4485
B182-G233 1.41+0.20
−0.24
×106
[7]
Andromeda Galaxy
Messier 54 (1.41±0.002)×106[3] Milky Way
[DBT2008] NGC 5457 120 1.38×106[6] Pinwheel Galaxy
[BHK2005] 155 1.38×106[5] Condor Galaxy
B094-G156 1.38+0.10
−0.11
×106
[7]
Andromeda Galaxy
[DBT2008] NGC 4713 27 1.35×106[6] NGC 4713
B174-G226 1.36+0.15
−0.19
×106
[7]
Andromeda Galaxy
B147-G199 1.34+0.038
−0.041
×106
[7]
Andromeda Galaxy
B055-G116 1.32+0.073
−0.085
×106
[7]
Andromeda Galaxy
B006-G058 1.31+0.10
−0.049
×106
[7]
Andromeda Galaxy
[BHK2005] 319 1.29×106[5] Condor Galaxy
B178-G229 1.28+0.20
−0.21
×106
[7]
Andromeda Galaxy
B206-G257 1.27+0.21
−0.29
×106
[7]
Andromeda Galaxy
B068-G130 1.26+0.13
−0.10
×106
[7]
Andromeda Galaxy
B311-G033 1.24+0.074
−0.14
×106
[7]
Andromeda Galaxy
[DBT2008] NGC 5457 706 1.23×106[6] Pinwheel Galaxy
[BHK2005] 172 1.23×106[5] Condor Galaxy
B034-G096 1.23+0.21
−0.092
×106
[7]
Andromeda Galaxy
B012-G064 1.23+0.088
−0.14
×106
[7]
Andromeda Galaxy
NGC 6441 (1.23±0.001)×106[3] Milky Way
B110-G172 1.22+0.17
−0.12
×106
[7]
Andromeda Galaxy
[BHK2005] 346 1.20×106[5] Condor Galaxy
[DBT2008] NGC 4656 188 1.17×106[6] Hockey Stick Galaxies
[BHK2005] 231 1.17×106[5] Condor Galaxy
B005-G052 1.16+0.22
−0.094
×106
[7]
Andromeda Galaxy
B051-G114 1.15+0.19
−0.10
×106
[7]
Andromeda Galaxy
B086-G148 1.14+0.071
−0.10
×106
[7]
Andromeda Galaxy
[DBT2008] NGC 5457 782 1.12×106[6] Pinwheel Galaxy
[BHK2005] 212 1.12×106[5] Condor Galaxy
B472-D064 1.12+0.14
−0.12
×106
[7]
Andromeda Galaxy
B312-G035 1.12+0.18
−0.18
×106
[7]
Andromeda Galaxy
B017-G070 1.11+0.14
−0.12
×106
[7]
Andromeda Galaxy
B240-G302 1.11+0.17
−0.15
×106
[7]
Andromeda Galaxy
[DBT2008] NGC 5457 596 1.10×106[6] Pinwheel Galaxy
[BHK2005] 385 1.10×106[5] Condor Galaxy
B072 1.08+0.13
−0.083
×106
[7]
Andromeda Galaxy
B112-G174 1.08+0.078
−0.057
×106
[7]
Andromeda Galaxy
B405-G351 1.08+0.20
−0.18
×106
[7]
Andromeda Galaxy
[DBT2008] IC 3521 1 1.07×106[6] IC 3521
[BHK2005] 276 1.07×106[5] Condor Galaxy
B373-G305 1.07+0.22
−0.10
×106
[7]
Andromeda Galaxy
B058-G119 1.06+0.13
−0.17
×106
[7]
Andromeda Galaxy
NGC 6388 (1.06±0.001)×106[3] Milky Way
[DBT2008] NGC 5457 228 1.05×106[6] Pinwheel Galaxy
B224-G279 1.05+0.11
−0.085
×106
[7]
Andromeda Galaxy
B096-G158 1.04+0.067
−0.061
×106
[7]
Andromeda Galaxy
B185-G235 1.03+0.11
−0.070
×106
[7]
Andromeda Galaxy
[DBT2008] NGC 5457 287 1.00×106[6] Pinwheel Galaxy
[BHK2005] 222 1.00×106[5] Condor Galaxy
[RBF2020] NGC 2403 AS053 1.00×106[12] NGC 2403
NGC 2419 (9.81±1.42)×105[3] None[13]
B179-G230 9.78+1.33
−1.43
×105
[7]
Andromeda Galaxy
[BHK2005] 173 9.77×105[5] Condor Galaxy
NGC 2808 9.73+0.04
−0.04
×106
[14]
Milky Way
Messier 3 9.57×105[15] Milky Way
B143-G198 9.55+0.31
−0.36
×105
[7]
Andromeda Galaxy
B027-G087 9.54+1.35
−1.08
×105
[7]
Andromeda Galaxy
MGC1 9.54+1.35
−1.08
×105
[7]
None[13]
EXT8 9.40+0.34
−0.31
×105
[7]
Andromeda Galaxy
[DBT2008] NGC 5457 76 9.33×105[6] Pinwheel Galaxy
[BHK2005] 268 9.33×105[5] Condor Galaxy
B204-G254 9.22+0.48
−0.71
×105
[7]
Andromeda Galaxy
B205-G256 9.16+1.74
−1.57
×105
[7]
Andromeda Galaxy
[DBT2008] NGC 5457 709 9.12×105[6] Pinwheel Galaxy
[DBT2008] NGC 4713 24 9.12×105[6] NGC 4713
[BHK2005] 447 9.12×105[5] Condor Galaxy
B045-G108 9.06+1.29
−0.60
×105
[7]
Andromeda Galaxy
B135-G192 9.04+0.93
−0.80
×105
[7]
Andromeda Galaxy
B061-G122 8.98+1.26
−0.75
×105
[7]
Andromeda Galaxy
B131-G189 8.85+2.93
−1.32
×105
[7]
Andromeda Galaxy
B383-G318 8.80+1.13
−0.90
×105
[7]
Andromeda Galaxy
B381-G315 8.69+1.34
−0.66
×105
[7]
Andromeda Galaxy
B212-G263 8.62+0.81
−0.68
×105
[7]
Andromeda Galaxy
B107-G169 8.59+1.04
−1.32
×105
[7]
Andromeda Galaxy
Messier 5 8.57×105[15] Milky Way
B183-G234 8.24+0.88
−0.82
×105
[7]
Andromeda Galaxy
B384-G319 8.21+0.41
−0.60
×105
[7]
Andromeda Galaxy
[DBT2008] NGC 4485 136 8.13×105[6] NGC 4485
NGC 6440 8.11×105[15] Milky Way
B232-G286 8.01+0.91
−0.39
×105
[7]
Andromeda Galaxy
[DBT2008] NGC 2552 8 7.94×105[6] NGC 2552
B122-G181 7.88+1.34
−0.72
×105
[7]
Andromeda Galaxy
B073-G134 7.80+0.53
−0.64
×105
[7]
Andromeda Galaxy
NGC 5824 (7.79±0.42)×105[3] Milky Way
[DBT2008] NGC 5457 100 7.76×105[6] Pinwheel Galaxy
Messier 13 7.75×105[15] Milky Way
B386-G322 7.74+2.31
−1.69
×105
[7]
Andromeda Galaxy
Messier 14 (7.74±0.61)×105[3] Milky Way
B106-G168 7.54+0.54
−0.52
×105
[7]
Andromeda Galaxy
B313-G036 7.41+1.34
−1.01
×105
[7]
Andromeda Galaxy
[DBT2008] NGC 5457 1200 7.24×105[6] Pinwheel Galaxy
[DBT2008] NGC 4713 97 7.24×105[6] NGC 4713
NGC 5286 7.13×105[15] Milky Way
B030-G091 7.10+0.32
−0.39
×105
[7]
Andromeda Galaxy
ξ Tucanae (47 Tucanae) 7.10×105[16] Milky Way
[BHK2005] 232 7.08×105[5] Condor Galaxy
Messier 62 (7.07±0.05)×105[3] Milky Way
PA53 6.93+1.47
−0.81
×105
[7]
Andromeda Galaxy
[DBT2008] NGC 5457 624 6.92×105[6] Pinwheel Galaxy
[DBT2008] NGC 4713 72 6.92×105[6] NGC 4713
[BHK2005] 456 6.92×105[5] Condor Galaxy
B153 6.86+5.45
−0.79
×105
[7]
Andromeda Galaxy
Messier 19 (6.80±0.59)×105[3] Milky Way
Liller 1 (6.66±1.17)×105[3] Milky Way
B109-G170 6.63+0.71
−0.62
×105
[7]
Andromeda Galaxy
[DBT2008] NGC 4713 77 6.61×105[6] NGC 4713
B514-MCGC4 6.52+0.76
−0.58
×105
[7]
Andromeda Galaxy
B080-G141 6.50+1.00
−0.74
×105
[7]
Andromeda Galaxy
B148-G200 6.49+1.14
−0.96
×105
[7]
Andromeda Galaxy
[BHK2005] 397 6.46×105[5] Condor Galaxy
Messier 22 6.44×105[15] Milky Way
NGC 2404 6.40×105[12] NGC 2403
B370-G300 6.40+0.56
−0.81
×105
[7]
Andromeda Galaxy
[DBT2008] NGC 4656 96 6.31×105[6] Hockey Stick Galaxies
[BHK2005] 262 6.31×105[5] Condor Galaxy
PA16 6.27+0.32
−0.29
×105
[7]
Andromeda Galaxy
Messier 2 6.27+0.09
−0.09
×105
[14]
Milky Way
B379-G312 6.25+0.69
−0.47
×105
[7]
Andromeda Galaxy
[DBT2008] NGC 4449 201 6.17×105[6] NGC 4449
[DBT2008] NGC 4656 217 6.17×105[6] Hockey Stick Galaxies
Messier 15 6.14+0.07
−0.07
×105
[14]
Milky Way
[DBT2008] NGC 4485 221 6.03×105[6] NGC 4485
[DBT2008] NGC 4485 131 6.03×105[6] NGC 4485
NGC 5986 5.99×105[15] Milky Way
B038-G098 5.98+0.72
−0.30
×105
[7]
Andromeda Galaxy
B078-G140 5.94+0.93
−0.50
×105
[7]
Andromeda Galaxy
B044-G107 5.93+0.86
−0.61
×105
[7]
Andromeda Galaxy
B029-G090 5.92+1.57
−0.66
×105
[7]
Andromeda Galaxy
G002-MIII 5.90+0.47
−0.30
×105
[7]
Andromeda Galaxy
[DBT2008] NGC 4713 8 5.89×105[6] NGC 4713
[DBT2008] NGC 4656 223 5.89×105[6] Hockey Stick Galaxies
Messier 75 (5.86±1.24)×105[3] Milky Way
B180-G231 5.83+1.01
−0.68
×105
[7]
Andromeda Galaxy
B260 5.76+1.37
−0.63
×105
[7]
Andromeda Galaxy
[DBT2008] NGC 4449 294 5.75×105[6] NGC 4449
[BHK2005] 121 5.75×105[5] Condor Galaxy
B344-G127 5.74+0.76
−0.87
×105
[7]
Andromeda Galaxy
NGC 6541 5.72×105[15] Milky Way
Terzan 5 (5.66±0.71)×105[3] Milky Way
NGC 6139 5.66×105[15] Milky Way
[DBT2008] NGC 5457 418 5.62×105[6] Pinwheel Galaxy
[DBT2008] NGC 4713 79 5.62×105[6] NGC 4713
[DBT2008] NGC 4713 52 5.62×105[6] NGC 4713
[DBT2008] NGC 4656 176 5.62×105[6] Hockey Stick Galaxies
[BHK2005] 438 5.62×105[5] Condor Galaxy
B233-G287 5.51+0.79
−1.23
×105
[7]
Andromeda Galaxy
NGC 6284 (5.51±1.13)×105[3] Milky Way
NGC 1851 5.51×105[15] Milky Way
Messier 28 5.51×105[15] Milky Way
[DBT2008] NGC 4713 80 5.50×105[6] NGC 4713
B403-G348 5.45+0.82
−0.45
×105
[7]
Andromeda Galaxy
B098 5.38+0.25
−0.30
×105
[7]
Andromeda Galaxy
[DBT2008] NGC 5457 598 5.37×105[6] Pinwheel Galaxy
[DBT2008] NGC 4190 2 5.37×105[6] NGC 4190
NGC 6539 5.36×105[15] Milky Way
NGC 6539 5.36×105[15] Milky Way
B257-V219 5.35+1.17
−0.58
×105
[7]
Andromeda Galaxy
B001-G039 5.34+0.85
−0.48
×105
[7]
Andromeda Galaxy
Messier 53 5.3+0.1
−0.1
×105
[14]
Milky Way
NGC 6517 5.26×105[15] Milky Way
[DBT2008] NGC 4571 10 5.25×105[6] NGC 4571
[DBT2008] NGC 4656 197 5.25×105[6] Hockey Stick Galaxies
[DBT2008] NGC 4449 401 5.13×105[6] NGC 4449
B001-G039 5.04+0.39
−0.35
×105
[7]
Andromeda Galaxy
PA46 5.02+0.53
−0.36
×105
[7]
Andromeda Galaxy
Messier 80 5.02×105[15] Milky Way
[DBT2008] NGC 4713 4 5.01×105[6] NGC 4713
[BHK2005] 221 5.01×105[5] Condor Galaxy
B130-G188 5.01+0.42
−0.56
×105
[7]
Andromeda Galaxy

Open clusters

List of most massive open clusters
Cluster name Mass (M);
(Sun = 1)
Galaxy Notes
NGC 1569-B (4.4±1.1)×105[17] NGC 1569
NGC 1569-A (3.3±0.5)×105[18] NGC 1569
RMC 136 8.7×104[19] Large Magellanic Cloud Contains the most massive known star R136a1 at 196+34
−27
 M.[20]
NGC 346 5×104[21] Small Magellanic Cloud
Ara Cluster (Westerlund 1) 4.4 – 5.7 × 104[22] Milky Way
Stephenson 2 (RSGC2) 4×104[23] Milky Way
RSGC1 (3±1)×104[23] Milky Way
RSGC3 (3±1)×104[23] Milky Way
NGC 3603 (1.9±0.6)×104[24] Milky Way


See also

References

  1. ^ Naumova, E. V.; Ogorodnikov, K. F. (April 1973). "Method of determining the masses of globular clusters". Soviet Astronomy. 17: 463. Bibcode:1974SvA....17..463N. ISSN 0038-5301. S2CID 118985616.
  2. ^ Ninkovich, S. (March 1984). "Mass determination for globular clusters on the basis of proper motions". Astrofizika. 20: 150–153. Bibcode:1984Afz....20..283N. ISSN 0571-7132. S2CID 231118121.
  3. ^ a b c d e f g h i j k l m Baumgardt, H.; Hilke, M. (August 2018). "A catalogue of masses, structural parameters, and velocity dispersion profiles of 112 Milky Way globular clusters". Monthly Notices of the Royal Astronomical Society. 478 (2): 1520–1557. arXiv:1804.08359. Bibcode:2018MNRAS.478.1520B. doi:10.1093/mnras/sty1057. ISSN 0035-8711. S2CID 119464219.
  4. ^ Ikhsan, M. I.; Arifyanto, M. I.; Aprilia; Hakim, M. I.; Soegiartini (May 2019). "Mass determination of open clusters using kinematics data". Journal of Physics: Conference Series. 1231 (1) 012027. Bibcode:2019JPhCS1231a2027I. doi:10.1088/1742-6596/1231/1/012027. ISSN 1742-6596. S2CID 198433702.
  5. ^ a b c d e f g h i j k l m n o p q r s t u v w x y z aa ab ac ad ae af ag ah ai aj ak al am an ao ap aq ar as at au av aw ax ay az Bastian, N. (2005). "The star cluster population in the tidal tails of NGC 6872". NASA ADS. Retrieved 2026-01-08.
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  1. ^ The article states that the star clusters over 108 are likely multiple clusters, and therefore are not added to the list.