We use cookies to deliver essential features and to measure their performance. Learn more.
Keep TheSkyLive Free! Donate Now!/a>
public LocationGreenwich, UK
TimezoneEurope/London
Sunrise: 5:11 
Transit: 13:06 
Sunset: 21:00
sunny   (Daytime)   What's Visible Now?
All Constellations » Gemini » 

25 Geminorum

Above the horizon.  Rise: 2:53 | Tran: 11:40 | Set: 20:26
Alt: 56.12°   Az: 120.74°   Direction: East-South-East

25 Geminorum is a multiple supergiant star of spectral class G5 in the constellation of Gemini.

25 Geminorum visual magnitude is 6.42. Because of its faintness, 25 Geminorum 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 25 Geminorum star
DSS2 image of 25 Geminorum. The red arrow shows the motion of 25 Geminorum during the next 100000 years (13.33 arcmin in Right Ascension and -15.00 arcmin in declination);

Celestial Coordinates

Apparent

06h 42m 53s
+28° 10’ 17”
21h 48m 18s
04h 31m 11s

J2000

06h 41m 21s
+28° 11’ 47”

Galactic Coordinates

186.47°
10.42°

Finder Chart

Finder chart 25 Geminorum star
Simplified finder chart for 25 Geminorum.

Magnitude, Color, Spectral Class

6.42
Supergiant

-1.76
G5I
4537K

The red dot in the diagram below shows where 25 Geminorum is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 25 Geminorum. Attribution: Richard Powell / CC BY-SA

Star System Properties

25 Geminorum is a visual double star which can be observed with binoculars or small telescopes. The table below shows key information about the 25 Geminorum double sysyem:

6.42
10.32
3.9
55.9 arcsec

Distance, Radial Speed, Proper Motion

25 Geminorum is distant 1,411.26 light years from the Sun and it is moving towards the Sun at the speed of 6 kilometers per second.

432.90
1,411.26
-6 km/s
0.008 arcsec/y
-0.009"/y

Alternative Designations

25 Geminorum
SAO78636
SAO78636

Visibility from Your Location

Today's 25 Geminorum rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 61.8°
Max altitude: 66.7°
Azimuth: 298.2°