List of The Most Massive Stars
Known stars with an estimated mass of 25 or greater M☉. Masses are their current (evolutionary) mass, not their initial (formation) mass. The list is far from complete, although the majority of stars thought to be more than 100 M☉ are shown.
| Star name | Mass (M☉, Sun = 1) |
|---|---|
| R136a1 | 265 |
| R136a2 | 195 |
| R136c | 175 |
| HD 269810 | 150 |
| VFTS 682 | 150 |
| Peony Star | >150 |
| R136a3 | 135 |
| NGC 3603-B | 132 |
| Arches-F9 | 111-131 |
| HD 93129 A + B | A=120–127, B=80 |
| η Carinae A | 120 |
| NGC 3603-A1 | 116 + 89 |
| Arches-F1 | 101-119 |
| Arches-F6 | 111-131 |
| R144 A + B | >118 + >48 |
| HD 93250 | 118 |
| NGC 3603-C | 113 |
| Cygnus OB2-12 | 110 |
| Arches-F7 | 86-102 |
| Cluster R136a | About 20 more stars around 100 |
| WR21a | A=87, B=53 |
| WR20 a + b | A=83, B=82 |
| The Pistol Star | 80–150 |
| Melnick 42 | 80–100 |
| Arches-F15 | 80-97 |
| HD 97950 | 80 |
| Sk-71 51 | 80 |
| R139 | A=78, B=66 |
| V429 Carinae A + B | A=78, B=21 |
| Pismis 24-17 | 78 |
| R126 | 70 |
| Companion to M33 X-7 | 70 |
| Pismis 24-1SW | 66 |
| LBV 1806-20 A + B | A=65, B=65 |
| LY Aurigae | 64 |
| LH54-425 A + B | A=62, B=37 |
| Var 83 in M33 | 60–85 |
| Sher 25 in NGC 3603 | 60 |
| ζ1 Scorpii | 60 |
| ζ Puppis | 59 |
| CD Crucis A + B | A=57, B=48 |
| Plaskett's star | A=54, B=56 |
| AG Carinae | 50 |
| WR102c | 45–55 |
| S Doradus | 45 |
| IRS-8* | 44.5 |
| HD 5980 A + B | A=40–62, B=30 |
| DL Crucis | 40–50 |
| ε Orionis | 40 |
| HD 148937 | 40 |
| IRAS 05423-7120 | 40 |
| ρ Cassiopeiae | 40 |
| RW Cephei | 40 |
| θ1 Orionis C | 40 |
| ξ Persei | 40 |
| V382 Carinae | 39 |
| Companion to NGC300 X-1 | 38 |
| χ2 Orionis | 35–40 |
| Companion to IC10 X-1 | 35 |
| ν Aquilae | 30-45 |
| VY Canis Majoris | 30–40 |
| 19 Cephei | 30–35 |
| γ Velorum A | 30 |
| P Cygni | 30 |
| R 66 | 30 |
| η Canis Majoris | 30 |
| ζ Orionis | 28 |
| IRS 15 | 26 |
| VV Cephei | 25–40 |
| α Camelopardalis | 25–30 |
| 6 Cassiopeiae | 25 |
| EZ Canis Majoris | 25 |
| KY Cygni | 25 |
| μ Cephei | 25 |
| V509 Cassiopeiae | 25 |
| NGC 7538 S | 20–40 |
| S Monocerotis A | 18–30 |
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