Star
Nunki
σ Sagittarii · HIP 92855 · Blue-white main-sequence star
True colour from its B–V index (-0.13) — a surface around 12,100 K.
Distance
228 light-years
Spectral type
B2.5V
Brightness
mag 2.05
Absolute mag
-2.17
Luminosity
643 × Sun
Surface
~12,100 K
Right ascension
18h 55m 16s
Declination
−26° 18′
- Nunki is a blue-white main-sequence star in Sagittarius.
In your sky
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More stars in Sagittarius
- Kaus Australismag 1.79
- Ascellamag 2.60
- Kaus Mediamag 2.72
- Kaus Borealismag 2.82
- Albaldahmag 2.88
- Alnaslmag 2.98
Distances and spectral types: HYG Database (Hipparcos parallaxes), CC BY-SA 4.0.