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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 7:12 
Transit: 12:14 
Sunset: 17:16
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All Constellations » Cepheus » 

κ Cephei (kappa Cephei)

Above the horizon.  Circumpolar today
Alt: 63.35°   Az: 5.46°   Direction: North

κ Cephei is a multiple giant star of spectral class B9 in the constellation of Cepheus.

κ Cephei visual magnitude is 4.39. Because of its moderate brightness, κ 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 κ Cephei (kappa Cephei) star
DSS2 image of κ Cephei. The red arrow shows the motion of κ Cephei during the next 10000 years (1.83 arcmin in Right Ascension and 4.00 arcmin in declination);

Celestial Coordinates

Apparent

20h 07m 59s
+77° 47’ 08”
23h 13m 25s
19h 21m 24s

J2000

20h 08m 53s
+77° 42’ 41”

Galactic Coordinates

110.38°
22.5°

Finder Chart

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Finder chart for κ Cephei (kappa Cephei).

Magnitude, Color, Spectral Class

4.39
Giant

-0.62
B9III
10795K

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

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

Star System Properties

κ 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 κ Cephei double sysyem:

4.39
8.19
3.8
7.3 arcsec

Distance, Radial Speed, Proper Motion

κ Cephei is distant 326.98 light years from the Sun and it is moving towards the Sun at the speed of 23 kilometers per second.

100.30
326.98
-23 km/s
0.011 arcsec/y
0.024"/y

Alternative Designations

κ Cephei
(kappa Cephei)
SAO9665
SAO9665

Visibility from Your Location

κ Cephei (kappa Cephei) is circumpolar and transits at 10:21 UTC (altitude: 63.7°)