Star
Prima Giedi
α1 Capricorni · HIP 100027 · Yellow supergiant
True colour from its B–V index (0.93) — a surface around 4,900 K.
Distance
569 light-years
Spectral type
G3Ib
Brightness
mag 4.30
Absolute mag
-1.91
Luminosity
505 × Sun
Surface
~4,900 K
Right ascension
20h 17m 39s
Declination
−12° 30′
- Prima Giedi is a yellow supergiant in Capricornus.
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More stars in Capricornus
Distances and spectral types: HYG Database (Hipparcos parallaxes), CC BY-SA 4.0.