Home
Search Objects
Major Solar System Objects
Comets
Asteroids
Spacecrafts
Star Maps
Orbits
public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 4:43 
Transit: 13:00 
Sunset: 21:18
warning Set your observing location to get relevant data
wb_twilight   (Astronomical Twilight)  
Planets Visible Tonight
Planets Visible Tonight
 • 
What's Visible Now • Tonight Sky
Search  close
All Constellations » Perseus » 

γ Persei (gamma Persei)

Above the horizon.  Circumpolar today
Alt: 26.56°   Az: 35.21°   Direction: North-East

γ Persei is a multiple giant star of spectral class G8 in the constellation of Perseus.

γ Persei visual magnitude is 2.93. Because of its brightness, γ Persei is clearly visible to the naked eye when observed from locations with dark skies, and should be also quite easily visible from light polluted areas.

Image of γ Persei (gamma Persei) star
DSS2 image of γ Persei. The red arrow shows the motion of γ Persei during the next 100000 years (0.00 arcmin in Right Ascension and -8.33 arcmin in declination);

Celestial Coordinates

Apparent

03h 06m 39s
+53° 36’ 14”
16h 01m 29s
19h 08m 08s

J2000

03h 04m 47s
+53° 30’ 23”

Galactic Coordinates

142.07°
-4.34°

Finder Chart

loader
  Loading map...
Finder chart for γ Persei (gamma Persei).

Magnitude, Color, Spectral Class

2.93
Giant

-1.55
G8III
5602K

The red dot in the diagram below shows where γ Persei is situated in the Hertzsprung–Russell diagram.

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

Star System Properties

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

2.93
11.53
8.6
57 arcsec

Distance, Radial Speed, Proper Motion

γ Persei is distant 256.29 light years from the Sun and it is moving far from the Sun at the speed of 3 kilometers per second.

78.62
256.29
3 km/s
-0.005"/y

Alternative Designations

γ Persei
(gamma Persei)
SAO23789
SAO23789

Visibility from Your Location

γ Persei (gamma Persei) is circumpolar and transits at 09:23 UTC (altitude: 87.9°)