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public LocationGreenwich, UK
Sunrise: 4:59 
Transit: 13:04 
Sunset: 21:08
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All Constellations » Ara » 

θ Arae (theta Arae)

Below the horizon.  Never rises today
Alt: -53.42°   Az: 111.95°   Direction: East-South-East

θ Arae is a supergiant star of spectral class B2 in the constellation of Ara.

θ Arae visual magnitude is 3.66. Because of its moderate brightness, θ Arae 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.

θ Arae is situated south of the celestial equator, as such, it is more easily visible from the southern hemisphere.

Image of θ Arae (theta Arae) star
DSS2 image of θ Arae. The red arrow shows the motion of θ Arae during the next 10000 years (-1.67 arcmin in Right Ascension and -2.33 arcmin in declination);

Celestial Coordinates


18h 08m 32s
-50° 05’ 13”
15h 57m 56s


18h 06m 37s
-50° 05’ 30”

Galactic Coordinates


Finder Chart

Finder chart θ Arae (theta Arae) star
Simplified finder chart for θ Arae (theta Arae).

Magnitude, Color, Spectral Class



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

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

Distance, Radial Speed, Proper Motion

θ Arae is distant 1,012.42 light years from the Sun and it is moving far from the Sun at the speed of 3 kilometers per second.

310.56 pc
1,012.42 ly
3 km/s
-0.01 arcsec/y
-0.014 "/y

Alternative Designations

θ Arae
(theta Arae)

Visibility from Your Location

θ Arae (theta Arae) is currently not visible from Greenwich, UK