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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 5:13 
Transit: 12:56 
Sunset: 20:39
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All Constellations » Cepheus » 

ε Cephei (epsilon Cephei)

Above the horizon.  Circumpolar today
Alt: 18.67°   Az: 1.31°   Direction: North

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.

Image of ε Cephei (epsilon Cephei) star
DSS2 image of ε Cephei. The red arrow shows the motion of ε Cephei during the next 1000 years (7.45 arcmin in Right Ascension and 0.80 arcmin in declination);

Celestial Coordinates

Apparent

22h 15m 56s
+57° 10’ 13”
12h 09m 11s
10h 25m 08s

J2000

22h 15m 02s
+57° 02’ 36”

Galactic Coordinates

102.86°
0.4°

Finder Chart

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Finder chart for ε Cephei (epsilon Cephei).

Magnitude, Color, Spectral Class

4.19
Hypergiant

2.14
F0IV
7591K

The red dot in the diagram below shows where ε Cephei is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of ε Cephei. Attribution: Richard Powell / CC BY-SA

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:

4.19
9.49
5.3
127.8 arcsec

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.

25.73
83.89
-1 km/s
0.447 arcsec/y
0.048"/y

Alternative Designations

ε Cephei
(epsilon Cephei)
SAO34227
SAO34227

Visibility from Your Location

ε Cephei (epsilon Cephei) is circumpolar and transits at 06:54 UTC (altitude: 84.3°)