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public LocationGreenwich, UK
TimezoneEurope/London
Sunrise: 5:10 
Transit: 13:06 
Sunset: 21:02
sunny   (Daytime)   What's Visible Now?
All Constellations » Centaurus » 

ο2 Centauri (omicron2 Centauri)

Below the horizon.  Never rises today
Alt: -29.81°   Az: 208.69°   Direction: South-South-West

ο2 Centauri is a variable supergiant star of spectral class A2 in the constellation of Centaurus.

ο2 Centauri visual magnitude is 5.15. Because of its faintness, ο2 Centauri 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 ο2 Centauri (omicron2 Centauri) star
DSS2 image of ο2 Centauri. The red arrow shows the motion of ο2 Centauri during the next 100000 years (-13.33 arcmin in Right Ascension and 1.67 arcmin in declination);

Celestial Coordinates

Apparent

11h 32m 57s
-59° 39’ 05”
03h 42m 05s
15h 15m 03s

J2000

11h 31m 48s
-59° 30’ 56”

Galactic Coordinates

292.98°
1.81°

Finder Chart

Finder chart ο2 Centauri (omicron2 Centauri) star
Simplified finder chart for ο2 Centauri (omicron2 Centauri).

Magnitude, Color, Spectral Class

5.15
Supergiant

-4.94
A2I
6435K

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

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

Distance, Radial Speed, Proper Motion

ο2 Centauri is distant 3,395.83 light years from the Sun and it is moving towards the Sun at the speed of 17 kilometers per second.

1,041.67
3,395.83
-17 km/s
-0.008 arcsec/y
0.001"/y

Alternative Designations

ο2 Centauri
(omicron2 Centauri)
SAO239146
SAO239146

Visibility from Your Location

ο2 Centauri (omicron2 Centauri) is currently not visible from Greenwich, UK