Star
ε Persei
HIP 18532 · Blue-white main-sequence star
True colour from its B–V index (-0.20) — a surface around 13,600 K.
Distance
638 light-years
Spectral type
B0.5V
Brightness
mag 2.90
Absolute mag
-3.56
Luminosity
2,308 × Sun
Surface
~13,600 K
Right ascension
3h 57m 51s
Declination
+40° 01′
- ε Persei is a blue-white main-sequence star in Perseus.
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Distances and spectral types: HYG Database (Hipparcos parallaxes), CC BY-SA 4.0.