» Extrasolar Planet Guide » Companions of Normal Stars » gamma Cephei B

Red Dwarf Companion of gamma Cephei A


Constellation: Cepheus
Right Ascension: 23 39 20.8490
Declination: +77 37 56.193
Distance from Sol: 38.48 Light Years
Primary Star: gamma Cephei A (K1 IV)
Spectral Type: M1 V
Mass: 0.4 Solar Masses
Radius: 0.5 Solar Radii
Effective Temperature: 3500 Kelvin
Age: 3000 Million Years
Orbit of gamma Cephei B Current Planet
Habitability Zone Habitability Zone
Orbital Period about Primary: 74 years
Distance from Primary: 18.5 AU
Orbital Eccentricity: 0.36
Inner Edge of Habitability Zone: 0.09 AU
Outer Edge of Habitability Zone: 0.28 AU
Estimated Stellar Lifespan 156249 million years

g Cep B is the secondary of the g Cep system


View a VRML model of the gamma Cephei A system. Please be patient while the file downloads.

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Skymap created with John Walker's online Your Sky Virtual Telescope