Star
Alnair
α Gruis · HIP 109268 · Blue-white subgiant
True colour from its B–V index (-0.07) — a surface around 11,100 K.
Distance
101 light-years
Spectral type
B7IV
Brightness
mag 1.73
Absolute mag
-0.72
Luminosity
170 × Sun
Surface
~11,100 K
Right ascension
22h 08m 14s
Declination
−46° 58′
- Alnair is a blue-white subgiant in Grus.
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Distances and spectral types: HYG Database (Hipparcos parallaxes), CC BY-SA 4.0.