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public LocationGreenwich, United Kingdom
Sunrise: 4:42 
Transit: 12:58 
Sunset: 21:15
sunny   (Daytime)   What's Visible Now?

δ Arae (delta Arae)

Below the horizon.  Never rises today
Altitude: -52.2°   Azimuth: 131.7°   Direction: South-East

δ Arae is a double main-sequence star of spectral class B8 in the constellation of Ara.

δ Arae visual magnitude is 3.62. Because of its moderate brightness, δ 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.

Celestial coordinates and finder chart of δ Arae

Finder chart δ Arae (delta Arae) star
Simplified finder chart for δ Arae (delta Arae).

δ 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 δ Arae are provided in the following table:

17h 31m 05s
-60° 41’ 02”
Image of δ Arae (delta Arae) star
DSS2 image of δ Arae. The red arrow shows the motion of δ Arae during the next 1000 years (-0.98 arcmin in Right Ascension and -1.60 arcmin in declination);

Key facts about δ Arae


and has a luminosity class of V corresponding to a main-sequence star.


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

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

δ Arae star system properties

δ 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 δ Arae double sysyem:

47.4 arcsec

Distance of δ Arae from the Sun and relative movement

δ Arae is distant 187.14 light years from the Sun and it is moving far from the Sun at the speed of 10 kilometers per second.

57.41 pc
187.14 ly
10 km/s
-0.059 arcsec/year
-0.096 arcsec/year

Alternative designations of δ Arae

δ Arae
(delta Arae)

Visibility of δ Arae from your location

δ Arae (delta Arae) is currently not visible from Greenwich, United Kingdom