Stellar type
Blue supergiants
A blue supergiant is among the most luminous stars known — enormous, hot, and massive. Many end their lives as supernovae.
47 catalogued blue supergiants, brightest first.
| Star | Type | Constellation | Mag | Distance (ly) |
|---|---|---|---|---|
| NaosZeta Puppis | Blue supergiant | Pup | 2.21 | 1,083.6 |
| AludraEta Canis Majoris | Blue supergiant | CMa | 2.45 | 1,988.8 |
| Zeta Persei | Blue supergiant | Per | 2.84 | 751.5 |
| 24 Canis Majoris | Blue supergiant | CMa | 3.02 | 2,764 |
| Gamma Arae | Blue supergiant | Ara | 3.31 | 1,113.2 |
| Phi Velorum | Blue supergiant | Vel | 3.52 | 1,591 |
| Theta Arae | Blue supergiant | Ara | 3.65 | 813.4 |
| Rho Leonis | Blue supergiant | Leo | 3.84 | — |
| 67 Ophiuchi | Blue supergiant | Oph | 3.93 | 1,230.8 |
| MenkibXi Persei | Blue supergiant | Per | 3.98 | 1,244.9 |
| Kappa Cassiopeiae | Blue supergiant | Cas | 4.17 | — |
| HR 1035 | Blue supergiant | Cam | 4.21 | 1,941.4 |
| HR 3090 | Blue supergiant | Pup | 4.22 | 1,655.6 |
| Sigma Cygni | Blue supergiant | Cyg | 4.22 | 2,886.3 |
| Alpha Camelopardalis | Blue supergiant | Cam | 4.26 | — |
| HR 5358 | Blue supergiant | Cen | 4.3 | 1,226.2 |
| Iota Canis Majoris | Blue supergiant | CMa | 4.36 | 2,508.9 |
| Tau Canis Majoris | Blue supergiant | CMa | 4.37 | 2,992.3 |
| 4 Lacertae | Blue supergiant | Lac | 4.55 | 2,249.4 |
| 62 Orionis | Blue supergiant | Ori | 4.64 | 1,802 |
| HR 6262 | Blue supergiant | Sco | 4.7 | 2,568.2 |
| Chi Aurigae | Blue supergiant | Aur | 4.71 | — |
| 9 Cephei | Blue supergiant | Cep | 4.76 | — |
| HR 6628 | Blue supergiant | Sco | 4.79 | 556.6 |
| 139 Tauri | Blue supergiant | Tau | 4.81 | 1,553.1 |
| 55 Cygni | Blue supergiant | Cyg | 4.81 | 2,329.7 |
| 15 Canis Majoris | Blue supergiant | CMa | 4.82 | 1,217 |
| HR 6334 | Blue supergiant | Sco | 4.83 | — |
| Mu Normae | Blue supergiant | Nor | 4.86 | — |
| 48 Librae | Blue supergiant | Lib | 4.95 | 467.9 |
| HR 3654 | Blue supergiant | Vel | 4.99 | — |
| 36 Sagittarii | Blue supergiant | Sgr | 5.02 | 2,064.3 |
| 19 Cephei | Blue supergiant | Cep | 5.07 | 2,064.3 |
| HR 4338 | Blue supergiant | Car | 5.11 | — |
| HR 3456 | Blue supergiant | Vel | 5.2 | — |
| HR 4250 | Blue supergiant | Car | 5.26 | — |
| 15 Sagittarii | Blue supergiant | Sgr | 5.29 | — |
| HR 6142 | Blue supergiant | Sco | 5.31 | 2,718 |
| HR 6870 | Blue supergiant | Sgr | 5.33 | 556.6 |
| HR 4908 | Blue supergiant | Cru | 5.34 | — |
| HR 6131 | Blue supergiant | Nor | 5.35 | 1,822.1 |
| HR 4198 | Blue supergiant | Car | 5.36 | — |
| HR 3494 | Blue supergiant | Vel | 5.43 | — |
| HR 5680 | Blue supergiant | Cir | 5.43 | — |
| HR 6164 | Blue supergiant | Sco | 5.46 | 1,359 |
| HR 6260 | Blue supergiant | Sco | 5.46 | 2,588.5 |
| Cygnus X-1 | Blue supergiant | Cyg | 8.84 | 1,941.4 |