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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 4:59 
Transit: 12:56 
Sunset: 20:54
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All Constellations » Canis Minor » 

Gomeisa - β Canis Minoris (beta Canis Minoris)

Above the horizon.  Rise: 9:46 | Tran: 16:26 | Set: 23:06
Alt: 10.51°   Az: 89.95°   Direction: East

Gomeisa, also designated as β Canis Minoris (beta Canis Minoris), is a variable and multiple main-sequence star of spectral class B8 in the constellation of Canis Minor.

Gomeisa visual magnitude is 2.9. Because of its brightness, Gomeisa 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 Gomeisa - β Canis Minoris (beta Canis Minoris) star
DSS2 image of Gomeisa. The red arrow shows the motion of Gomeisa during the next 10000 years (-8.67 arcmin in Right Ascension and -6.33 arcmin in declination);

Celestial Coordinates

Apparent

07h 28m 31s
+08° 14’ 11”
18h 26m 12s
01h 54m 43s

J2000

07h 27m 08s
+08° 17’ 21”

Galactic Coordinates

209.52°
11.68°

Finder Chart

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Finder chart for Gomeisa - β Canis Minoris (beta Canis Minoris).

Magnitude, Color, Spectral Class

2.9
Main-sequence

-0.69
B8V
11407K

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

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

Star System Properties

Gomeisa 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 Gomeisa double sysyem:

2.9
10.7
7.8
138.7 arcsec

Distance, Radial Speed, Proper Motion

Gomeisa is distant 170.15 light years from the Sun and it is moving far from the Sun at the speed of 22 kilometers per second.

52.19
170.15
22 km/s
-0.052 arcsec/y
-0.038"/y

Alternative Designations

Gomeisa
β Canis Minoris
(beta Canis Minoris)
3 Canis Minoris
SAO115456
SAO115456

Visibility from Your Location

Today's Gomeisa - β Canis Minoris (beta Canis Minoris) rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 81.8°
Max altitude: 46.8°
Azimuth: 278.2°