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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 5:02 
Transit: 12:56 
Sunset: 20:51
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All Constellations » Centaurus » 

1 Centauri

Below the horizon.  Rise: 20:33 | Tran: 22:51 | Set: 1:14
Alt: -54.64°   Az: 284.61°   Direction: West-North-West

1 Centauri is a variable sub-giant star of spectral class F3 in the constellation of Centaurus.

1 Centauri visual magnitude is 4.23. Because of its moderate brightness, 1 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 1 Centauri star
DSS2 image of 1 Centauri. The red arrow shows the motion of 1 Centauri during the next 1000 years (-7.70 arcmin in Right Ascension and -2.43 arcmin in declination);

Celestial Coordinates

Apparent

13h 47m 09s
-33° 10’ 12”
09h 12m 01s
22h 59m 10s

J2000

13h 45m 41s
-33° 02’ 38”

Galactic Coordinates

315.86°
28.46°

Finder Chart

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Finder chart for 1 Centauri.

Magnitude, Color, Spectral Class

4.23
Sub-giant

2.81
F3IV
6989K

The red dot in the diagram below shows where 1 Centauri is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 1 Centauri. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

1 Centauri is distant 62.80 light years from the Sun and it is moving towards the Sun at the speed of 22 kilometers per second.

19.26
62.80
-22 km/s
-0.462 arcsec/y
-0.146"/y

Alternative Designations

SAO204812
SAO204812
Gl 525.1

Visibility from Your Location

Today's 1 Centauri rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 123.2°
Max altitude: 5.3°
Azimuth: 236.8°