Star
Alhena
γ Geminorum · HIP 31681 · White subgiant
True colour from its B–V index (0.00) — a surface around 10,100 K.
Distance
109 light-years
Spectral type
A0IV
Brightness
mag 1.93
Absolute mag
-0.70
Luminosity
165 × Sun
Surface
~10,100 K
Right ascension
6h 37m 43s
Declination
+16° 24′
- Alhena is a white subgiant in Gemini.
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Distances and spectral types: HYG Database (Hipparcos parallaxes), CC BY-SA 4.0.