We use cookies to deliver essential features and to measure their performance. Learn more.
Help us keep TheSkyLive 100% free & ads-free, donate now!
Home
Search Objects
Major Solar System Objects
Comets
Asteroids
Spacecrafts
Star Maps
Orbits
public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 7:06 
Transit: 12:13 
Sunset: 17:21
wb_twilight   (Nautical Twilight)  
What's Visible Now • Tonight Timeline
Search  close
All Constellations » Cepheus » 

λ Cephei (lambda Cephei)

Above the horizon.  Circumpolar today
Alt: 40.39°   Az: 41.55°   Direction: North-East

λ Cephei is a variable supergiant star of spectral class O6 in the constellation of Cepheus.

λ Cephei visual magnitude is 5.04. Because of its faintness, λ 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 λ Cephei (lambda Cephei) star
DSS2 image of λ Cephei. The red arrow shows the motion of λ Cephei during the next 10000 years (0.50 arcmin in Right Ascension and -1.83 arcmin in declination);

Celestial Coordinates

Apparent

22h 12m 22s
+59° 32’ 20”
17h 40m 47s
15h 53m 09s

J2000

22h 11m 30s
+59° 24’ 51”

Galactic Coordinates

103.83°
2.61°

Finder Chart

loader
  Loading map...
Finder chart for λ Cephei (lambda Cephei).

Magnitude, Color, Spectral Class

5.04
Supergiant

-3.48
O6I
7795K

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

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

Distance, Radial Speed, Proper Motion

λ Cephei is distant 1,646.46 light years from the Sun and it is moving towards the Sun at the speed of 74 kilometers per second.

505.05
1,646.46
-74 km/s
0.003 arcsec/y
-0.011"/y

Alternative Designations

λ Cephei
(lambda Cephei)
SAO34149
SAO34149

Visibility from Your Location

λ Cephei (lambda Cephei) is circumpolar and transits at 12:13 UTC (altitude: 81.9°)