Star
Mirfak
α Persei · HIP 15863 · Yellow-white supergiant
True colour from its B–V index (0.48) — a surface around 6,500 K.
Distance
507 light-years
Spectral type
F5Ib
Brightness
mag 1.79
Absolute mag
-4.17
Luminosity
4,040 × Sun
Surface
~6,500 K
Right ascension
3h 24m 19s
Declination
+49° 52′
- Mirfak is a yellow-white supergiant in Perseus.
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Distances and spectral types: HYG Database (Hipparcos parallaxes), CC BY-SA 4.0.