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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 7:16 
Transit: 12:14 
Sunset: 17:12
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All Constellations » Canis Major » 

10 Canis Majoris

Below the horizon.  Rise: 18:22 | Tran: 21:04 | Set: 23:46
Alt: -54.98°   Az: 69.67°   Direction: East-North-East

10 Canis Majoris is a variable and double giant star of spectral class B2 in the constellation of Canis Major.

10 Canis Majoris visual magnitude is 5.2. Because of its faintness, 10 Canis Majoris 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 10 Canis Majoris star
DSS2 image of 10 Canis Majoris. The red arrow shows the motion of 10 Canis Majoris during the next 10000 years (-2.50 arcmin in Right Ascension and 1.33 arcmin in declination);

Celestial Coordinates

Apparent

06h 45m 25s
-31° 05’ 52”
14h 35m 44s
21h 21m 10s

J2000

06h 44m 28s
-31° 04’ 14”

Galactic Coordinates

240.53°
-14.98°

Finder Chart

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Finder chart for 10 Canis Majoris.

Magnitude, Color, Spectral Class

5.2
Giant

-4.32
B2III
11920K

The red dot in the diagram below shows where 10 Canis Majoris is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 10 Canis Majoris. Attribution: Richard Powell / CC BY-SA

Star System Properties

10 Canis Majoris 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 10 Canis Majoris double sysyem:

5.2
10.6
5.4
36.3 arcsec

Distance, Radial Speed, Proper Motion

10 Canis Majoris is distant 2,608.00 light years from the Sun and it is moving far from the Sun at the speed of 34 kilometers per second.

800.00
2,608.00
34 km/s
-0.015 arcsec/y
0.008"/y

Alternative Designations

10 Canis Majoris
SAO197149
SAO197149

Visibility from Your Location

Today's 10 Canis Majoris rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 121.1°
Max altitude: 7.4°
Azimuth: 238.9°