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A Complete Guide to the Solar System and the Night Sky
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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
SunriseRise: 6:46  
clear_day Transit: 12:11  
SunsetSet: 17:36
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All Constellations » Ara » 

κ Arae (kappa Arae)

Altitude: -88.9°   Azimuth: 318.2°   Direction: North-West

κ Arae is a multiple giant star in the constellation of Ara.

κ Arae visual magnitude is 5.23. Because of its reltive faintness, κ Arae should be visible only from locations with dark skies, while it is not visible at all from skies affected by light pollution.

The proper motion of κ Arae is 0.007 arcsec per year in Right Ascension and 0.001 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.

Image of κ Arae (kappa Arae) star
DSS2 image of κ Arae. The red arrow shows the motion of κ Arae during the next 100000 years (11.67 arcmin in Right Ascension and 1.67 arcmin in declination);

Key facts about κ Arae


κ Arae (kappa Arae) is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -88.9°
Azimuth: 318.2°
Direction: North-West

Celestial coordinates and finder chart of κ Arae

κ Arae 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 κ Arae are provided in the following table:

17h 25m 59s
-50° 38’ 00”

The simplified sky map below shows the position of κ Arae in the sky:

Finder chart κ Arae (kappa Arae) star
Simplified finder chart for κ Arae (kappa Arae).

Visibility of κ Arae from your location

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

κ Arae (kappa Arae) is currently not visible from Greenwich, United Kingdom edit_location_alt

Distance of κ Arae from the Sun and relative movement

κ Arae is distant 398.05 light years from the Sun and it is moving far from the Sun at the speed of 17 kilometers per second.

122.10 pc
398.05 ly
17 km/s
0.007 arcsec/year
0.001 arcsec/year

Spectral properties of κ Arae

κ Arae belongs to spectral class G8 and has a luminosity class of III corresponding to a giant star.


The red dot in the diagram below shows where κ Arae is situated in the Hertzsprung–Russell diagram.

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

κ Arae star system properties

κ Arae is a visual double star which can be observed only with the help of very large telescopes. The table below shows key information about the κ Arae double sysyem:

30 arcsec

Alternative designations of κ Arae

κ Arae
(kappa Arae)