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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 5:01 
Transit: 12:56 
Sunset: 20:52
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All Constellations » Gemini » 

θ Geminorum (theta Geminorum)

Above the horizon.  Rise: 6:08 | Tran: 15:56 | Set: 1:47
Alt: 5.32°   Az: 38.46°   Direction: North-East

θ Geminorum is a multiple giant star of spectral class A3 in the constellation of Gemini.

θ Geminorum visual magnitude is 3.6. Because of its moderate brightness, θ 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 θ Geminorum (theta Geminorum) star
DSS2 image of θ Geminorum. The red arrow shows the motion of θ Geminorum during the next 10000 years (-0.33 arcmin in Right Ascension and -8.00 arcmin in declination);

Celestial Coordinates

Apparent

06h 54m 27s
+33° 55’ 42”
15h 13m 05s
22h 07m 32s

J2000

06h 52m 47s
+33° 57’ 39”

Galactic Coordinates

182.1°
15.02°

Finder Chart

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Finder chart for θ Geminorum (theta Geminorum).

Magnitude, Color, Spectral Class

3.6
Giant

-0.30
A3III
9028K

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

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

Star System Properties

θ Geminorum 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 θ Geminorum double sysyem:

3.6
11.5
7.9
78.7 arcsec

Distance, Radial Speed, Proper Motion

θ Geminorum is distant 196.50 light years from the Sun and it is moving far from the Sun at the speed of 21 kilometers per second.

60.28
196.50
21 km/s
-0.002 arcsec/y
-0.048"/y

Alternative Designations

θ Geminorum
(theta Geminorum)
34 Geminorum
SAO59570
SAO59570

Visibility from Your Location

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

Azimuth: 56.1°
Max altitude: 72.4°
Azimuth: 303.9°