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public LocationGreenwich, UK
TimezoneEurope/London
Sunrise: 4:57 
Transit: 13:04 
Sunset: 21:10
sunny   (Daytime)   What's Visible Now?
All Constellations » Centaurus » 

1 Centauri

Below the horizon.  Rise: 17:01 | Tran: 19:21 | Set: 21:41
Altitude: -8.1°   Azimuth: 134.8°   Direction: South-East

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.

Celestial coordinates and finder chart of 1 Centauri

Finder chart 1 Centauri star
Simplified finder chart for 1 Centauri.

1 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 1 Centauri are provided in the following table:

13h 45m 41s
-33° 02’ 38”
315.86°
28.46°
Centaurus
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);

Key facts about 1 Centauri

4.23
Sub-giant

and has a luminosity class of IV corresponding to a sub-giant star.

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 of 1 Centauri from the Sun and relative movement

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 pc
62.80 ly
-22 km/s
-0.462 arcsec/year
-0.146 arcsec/year

Alternative designations of 1 Centauri

SAO204812
SAO204812
Gl 525.1

Visibility of 1 Centauri 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: 123.0°
Max altitude: 5.5°
Azimuth: 237.0°