Star
Aludra
η Canis Majoris · HIP 35904 · Blue-white supergiant
True colour from its B–V index (-0.08) — a surface around 11,200 K.
Distance
1,989 light-years
Spectral type
B5Ia
Brightness
mag 2.45
Absolute mag
-6.48
Luminosity
33,916 × Sun
Surface
~11,200 K
Right ascension
7h 24m 06s
Declination
−29° 18′
- Aludra is a blue-white supergiant in Canis Major.
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Distances and spectral types: HYG Database (Hipparcos parallaxes), CC BY-SA 4.0.