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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 5:09 
Transit: 12:56 
Sunset: 20:44
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All Constellations » Cepheus » 

13 Cephei

Above the horizon.  Circumpolar today
Alt: 56.20°   Az: 302.46°   Direction: West-North-West

13 Cephei is a variable supergiant star of spectral class B8 in the constellation of Cepheus.

13 Cephei visual magnitude is 5.8. Because of its faintness, 13 Cephei is visible to the naked eye only from locations with very dark skies, while it is not visible at all from skies affected by light pollution.

Image of 13 Cephei star
DSS2 image of 13 Cephei. The red arrow shows the motion of 13 Cephei during the next 100000 years (-5.00 arcmin in Right Ascension and -1.67 arcmin in declination);

Celestial Coordinates

Apparent

21h 55m 44s
+56° 43’ 56”
03h 55m 17s
01h 51m 01s

J2000

21h 54m 53s
+56° 36’ 41”

Galactic Coordinates

100.39°
1.68°

Finder Chart

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Finder chart for 13 Cephei.

Magnitude, Color, Spectral Class

5.8
Supergiant

-3.65
B8I
5501K

The red dot in the diagram below shows where 13 Cephei is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 13 Cephei. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

13 Cephei is distant 2,527.13 light years from the Sun and it is moving towards the Sun at the speed of 15 kilometers per second.

775.19
2,527.13
-15 km/s
-0.003 arcsec/y
-0.001"/y

Alternative Designations

SAO33864
SAO33864

Visibility from Your Location

13 Cephei is circumpolar and transits at 06:22 UTC (altitude: 84.7°)