Star
δ Cephei
HIP 110991 · Yellow supergiant
True colour from its B–V index (0.78) — a surface around 5,300 K.
Distance
865 light-years
Spectral type
G2Ibvar
Brightness
mag 4.07
Absolute mag
-3.05
Luminosity
1,443 × Sun
Surface
~5,300 K
Right ascension
22h 29m 10s
Declination
+58° 25′
- δ Cephei is a yellow supergiant in Cepheus.
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Distances and spectral types: HYG Database (Hipparcos parallaxes), CC BY-SA 4.0.