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