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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 4:57 
Transit: 12:56 
Sunset: 20:56
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All Constellations » Gemini » 

51 Geminorum

Above the horizon.  Rise: 8:42 | Tran: 16:04 | Set: 23:27
Alt: 25.71°   Az: 96.33°   Direction: East

51 Geminorum is a variable and multiple giant star of spectral class M4 in the constellation of Gemini.

51 Geminorum visual magnitude is 5. Because of its moderate brightness, 51 Geminorum 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 51 Geminorum star
DSS2 image of 51 Geminorum. The red arrow shows the motion of 51 Geminorum during the next 10000 years (2.17 arcmin in Right Ascension and -7.00 arcmin in declination);

Celestial Coordinates

Apparent

07h 14m 49s
+16° 06’ 50”
19h 24m 55s
02h 39m 44s

J2000

07h 13m 22s
+16° 09’ 32”

Galactic Coordinates

200.78°
12.04°

Finder Chart

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Finder chart for 51 Geminorum.

Magnitude, Color, Spectral Class

5
Giant

-1.66
M4III
3568K

The red dot in the diagram below shows where 51 Geminorum is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 51 Geminorum. Attribution: Richard Powell / CC BY-SA

Star System Properties

51 Geminorum is a visual double star which can be observed with the help of small or medium telescopes. The table below shows key information about the 51 Geminorum double sysyem:

5
10.2
5.2
149.2 arcsec

Distance, Radial Speed, Proper Motion

51 Geminorum is distant 699.57 light years from the Sun and it is moving towards the Sun at the speed of 9 kilometers per second.

214.59
699.57
-9 km/s
0.013 arcsec/y
-0.042"/y

Alternative Designations

51 Geminorum
SAO96638
SAO96638

Visibility from Your Location

Today's 51 Geminorum rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 73.9°
Max altitude: 54.6°
Azimuth: 286.1°