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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 7:23 
Transit: 12:14 
Sunset: 17:05
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All Constellations » Canis Major » 

ο2 Canis Majoris (omicron2 Canis Majoris)

Below the horizon.  Rise: 17:55 | Tran: 21:39 | Set: 1:26
Alt: -20.46°   Az: 257.01°   Direction: West-South-West

ο2 Canis Majoris is a supergiant star of spectral class B3 in the constellation of Canis Major.

ο2 Canis Majoris visual magnitude is 3.02. Because of its moderate brightness, ο2 Canis Majoris 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 ο2 Canis Majoris (omicron2 Canis Majoris) star
DSS2 image of ο2 Canis Majoris. The red arrow shows the motion of ο2 Canis Majoris during the next 100000 years (-6.67 arcmin in Right Ascension and 5.00 arcmin in declination);

Celestial Coordinates

Apparent

07h 04m 04s
-23° 52’ 17”
06h 13m 17s
13h 17m 21s

J2000

07h 03m 01s
-23° 49’ 59”

Galactic Coordinates

235.55°
-8.23°

Finder Chart

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Finder chart for ο2 Canis Majoris (omicron2 Canis Majoris).

Magnitude, Color, Spectral Class

3.02
Supergiant

-6.46
B3I
11247K

The red dot in the diagram below shows where ο2 Canis Majoris is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of ο2 Canis Majoris. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

ο2 Canis Majoris is distant 2,566.93 light years from the Sun and it is moving far from the Sun at the speed of 48 kilometers per second.

787.40
2,566.93
48 km/s
-0.004 arcsec/y
0.003"/y

Alternative Designations

ο2 Canis Majoris
(omicron2 Canis Majoris)
24 Canis Majoris
SAO172839
SAO172839

Visibility from Your Location

Today's ο2 Canis Majoris (omicron2 Canis Majoris) rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 113.9°
Max altitude: 14.6°
Azimuth: 246.1°