Tags: Star.
Zeta Cephei (ζ Cep ζ Cephei) is a star in the constellation of Cepheus. Zeta Cephei marks the left shoulder of Cepheus the King of Joppa (Ethiopia). Zeta Cephei is an orange supergiant star of spectral type K1.5 Ib with a surface temperature of 3853 K and eight times more massive then the Sun. The luminosity of Zeta Cephei is approximately 3600 times that of the Sun.