Star
Albireo
β1 Cygni · HIP 95947 · Orange bright giant
True colour from its B–V index (1.09) — a surface around 4,500 K.
Distance
434 light-years
Spectral type
K3II+...
Brightness
mag 3.05
Absolute mag
-2.57
Luminosity
931 × Sun
Surface
~4,500 K
Right ascension
19h 30m 43s
Declination
+27° 58′
- Albireo is a orange bright giant in Cygnus.
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Distances and spectral types: HYG Database (Hipparcos parallaxes), CC BY-SA 4.0.