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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 7:28 
Transit: 12:14 
Sunset: 17:00
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All Constellations » Centaurus » 

δ Centauri (delta Centauri)

Below the horizon.  Never rises today
Alt: -33.80°   Az: 228.87°   Direction: South-West

δ Centauri is a variable and multiple sub-giant star of spectral class B2 in the constellation of Centaurus.

δ Centauri visual magnitude is 2.6. Because of its brightness, δ Centauri is clearly visible to the naked eye when observed from locations with dark skies, and should be also quite easily visible from light polluted areas.

Image of δ Centauri (delta Centauri) star
DSS2 image of δ Centauri. The red arrow shows the motion of δ Centauri during the next 10000 years (-5.67 arcmin in Right Ascension and -1.33 arcmin in declination);

Celestial Coordinates

Apparent

12h 09m 40s
-50° 51’ 43”
05h 30m 25s
17h 40m 06s

J2000

12h 08m 21s
-50° 43’ 20”

Galactic Coordinates

296°
11.57°

Finder Chart

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Finder chart for δ Centauri (delta Centauri).

Magnitude, Color, Spectral Class

2.6
Sub-giant

-2.82
B2IV
11920K

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

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

Star System Properties

δ Centauri is a visual double star which can be observed with binoculars or small telescopes. The table below shows key information about the δ Centauri double sysyem:

2.6
4.5
1.9
268.6 arcsec

Distance, Radial Speed, Proper Motion

δ Centauri is distant 395.15 light years from the Sun and it is moving far from the Sun at the speed of 11 kilometers per second.

121.21
395.15
11 km/s
-0.034 arcsec/y
-0.008"/y

Alternative Designations

δ Centauri
(delta Centauri)
SAO239689
SAO239689

Visibility from Your Location

δ Centauri (delta Centauri) is currently not visible from Greenwich, UK