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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 5:06 
Transit: 12:56 
Sunset: 20:47
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All Constellations » Cepheus » 

π Cephei (pi Cephei)

Above the horizon.  Circumpolar today
Alt: 43.75°   Az: 341.74°   Direction: North-North-West

π Cephei is a multiple giant star of spectral class G2 in the constellation of Cepheus.

π Cephei visual magnitude is 4.41. Because of its moderate brightness, π 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 π Cephei (pi Cephei) star
DSS2 image of π Cephei. The red arrow shows the motion of π Cephei during the next 10000 years (2.00 arcmin in Right Ascension and -5.00 arcmin in declination);

Celestial Coordinates

Apparent

23h 08m 42s
+75° 31’ 30”
07h 40m 27s
06h 49m 10s

J2000

23h 07m 53s
+75° 23’ 15”

Galactic Coordinates

116.42°
13.84°

Finder Chart

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Finder chart for π Cephei (pi Cephei).

Magnitude, Color, Spectral Class

4.41
Giant

0.27
G2III
5281K

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

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

Star System Properties

π Cephei is a visual double star which can be observed with the help of large telescopes. The table below shows key information about the π Cephei double sysyem:

4.41
6.61
2.2
1 arcsec

Distance, Radial Speed, Proper Motion

π Cephei is distant 219.82 light years from the Sun and it is moving towards the Sun at the speed of 19 kilometers per second.

67.43
219.82
-19 km/s
0.012 arcsec/y
-0.03"/y

Alternative Designations

π Cephei
(pi Cephei)
SAO10629
SAO10629

Visibility from Your Location

π Cephei (pi Cephei) is circumpolar and transits at 07:27 UTC (altitude: 66.0°)