Home
Search Objects
Major Solar System Objects
Comets
Asteroids
Spacecrafts
Star Maps
Orbits
public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 5:05 
Transit: 12:56 
Sunset: 20:48
warning Set your observing location to get relevant data
Search  close
All Constellations » Centaurus » 

ρ Centauri (rho Centauri)

Below the horizon.  Never rises today
Alt: -14.45°   Az: 172.76°   Direction: South

ρ Centauri is a main-sequence star of spectral class B3 in the constellation of Centaurus.

ρ Centauri visual magnitude is 3.96. Because of its moderate brightness, ρ Centauri 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 ρ Centauri (rho Centauri) star
DSS2 image of ρ Centauri. The red arrow shows the motion of ρ Centauri during the next 10000 years (-5.83 arcmin in Right Ascension and -2.67 arcmin in declination);

Celestial Coordinates

Apparent

12h 12m 59s
-52° 30’ 34”
23h 13m 42s
11h 26m 41s

J2000

12h 11m 39s
-52° 22’ 06”

Galactic Coordinates

296.78°
10.03°

Finder Chart

loader
  Loading map...
Finder chart for ρ Centauri (rho Centauri).

Magnitude, Color, Spectral Class

3.96
Main-sequence

-1.14
B3V
12489K

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

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

Distance, Radial Speed, Proper Motion

ρ Centauri is distant 342.08 light years from the Sun and it is moving far from the Sun at the speed of 15 kilometers per second.

104.93
342.08
15 km/s
-0.035 arcsec/y
-0.016"/y

Alternative Designations

ρ Centauri
(rho Centauri)
SAO239737
SAO239737

Visibility from Your Location

ρ Centauri (rho Centauri) is currently not visible from Greenwich, UK