ε Cephei (epsilon Cephei)
ε Cephei is a variable and double hypergiant star of spectral class F0 in the constellation of Cepheus.
ε Cephei visual magnitude is 4.19. Because of its moderate brightness, ε Cephei is easily visible to the naked eye from locations with dark skies, while it might be barely visible, or not visible at all, from light-polluted skies.
Celestial Coordinates
Apparent
J2000
Galactic Coordinates
Finder Chart
Simplified finder chart for ε Cephei (epsilon Cephei).
Magnitude, Color, Spectral Class
The red dot in the diagram below shows where ε Cephei is situated in the Hertzsprung–Russell diagram.
Star System Properties
ε Cephei is a visual double star which can be observed with the help of small or medium telescopes. The table below shows key information about the ε Cephei double sysyem:
Distance, Radial Speed, Proper Motion
ε Cephei is distant 83.89 light years from the Sun and it is moving towards the Sun at the speed of 1 kilometers per second.
Alternative Designations
Visibility from Your Location
ε Cephei (epsilon Cephei) is circumpolar and transits at 21:11 UTC (altitude: 84.3°)