Star
Alfirk
β Cephei · HIP 106032 · Blue-white giant
True colour from its B–V index (-0.20) — a surface around 13,600 K.
Distance
685 light-years
Spectral type
B2IIIv SB
Brightness
mag 3.23
Absolute mag
-3.38
Luminosity
1,963 × Sun
Surface
~13,600 K
Right ascension
21h 28m 40s
Declination
+70° 34′
- Alfirk is a blue-white giant in Cepheus.
In your sky
Share your location to see where this is in your sky right now.
More stars in Cepheus
Distances and spectral types: HYG Database (Hipparcos parallaxes), CC BY-SA 4.0.