We use cookies to deliver essential features and to measure their performance. By using this site you accept our Privacy Policies.
A Complete Guide to the Solar System and the Night Sky
Help keep this site free and ads-free: donate now!
public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
SunriseRise: 5:39  
clear_day Transit: 12:56  
SunsetSet: 20:14
wb_twilight Civil TwilightWhat's Visible Now?
All Constellations » Centaurus » 

υ2 Centauri (upsilon2 Centauri)

Altitude: -22.5°   Azimuth: 223.8°   Direction: South-West

υ2 Centauri is a bright giant star in the constellation of Centaurus.

υ2 Centauri visual magnitude is 4.34. Because of its moderate brightness, υ2 Centauri should be easily visible from locations with dark skies, while it can be barely visible, or not visible at all, from skies affected by light pollution.

The proper motion of υ2 Centauri is 0.002 arcsec per year in Right Ascension and -0.019 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of υ2 Centauri (upsilon2 Centauri) star
DSS2 image of υ2 Centauri. The red arrow shows the motion of υ2 Centauri during the next 10000 years (0.33 arcmin in Right Ascension and -3.17 arcmin in declination);

Key facts about υ2 Centauri

4.34
Bright giant

υ2 Centauri (upsilon2 Centauri) is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -22.5°
Azimuth: 223.8°
Direction: South-West

Celestial coordinates and finder chart of υ2 Centauri

υ2 Centauri is situated south of the celestial equator, as such, it is more easily visible from the southern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of υ2 Centauri are provided in the following table:

14h 01m 43s
-45° 36’ 12”
315.6°
15.53°
Centaurus

The simplified sky map below shows the position of υ2 Centauri in the sky:

Finder chart υ2 Centauri (upsilon2 Centauri) star
Simplified finder chart for υ2 Centauri (upsilon2 Centauri).

Visibility of υ2 Centauri from your location

Location: Greenwich, United Kingdom edit_location_alt
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London

υ2 Centauri (upsilon2 Centauri) is currently not visible from Greenwich, United Kingdom edit_location_alt

Distance of υ2 Centauri from the Sun and relative movement

υ2 Centauri is distant 447.80 light years from the Sun and it is moving towards the Sun at the speed of 1 kilometers per second.

137.36 pc
447.80 ly
-1 km/s
0.002 arcsec/year
-0.019 arcsec/year

Spectral properties of υ2 Centauri

υ2 Centauri belongs to spectral class F6 and has a luminosity class of II corresponding to a bright giant star.

-1.35
F6II
5968K

The red dot in the diagram below shows where υ2 Centauri is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of υ2 Centauri. Attribution: Richard Powell / CC BY-SA

Alternative designations of υ2 Centauri

υ2 Centauri
(upsilon2 Centauri)
SAO224621
SAO224621