Star
Thuban
α Draconis · HIP 68756 · White giant
True colour from its B–V index (-0.05) — a surface around 10,800 K.
Distance
303 light-years
Spectral type
A0III SB
Brightness
mag 3.67
Absolute mag
-1.17
Luminosity
256 × Sun
Surface
~10,800 K
Right ascension
14h 04m 23s
Declination
+64° 23′
- Thuban is a white giant in Draco.
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Distances and spectral types: HYG Database (Hipparcos parallaxes), CC BY-SA 4.0.