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public LocationGreenwich, UK
Sunrise: 4:42 
Transit: 13:00 
Sunset: 21:18
sunny   (Daytime)   What's Visible Now?

η Arae (eta Arae)

Below the horizon.  Never rises today
Altitude: -81.7°   Azimuth: 201.9°   Direction: South-South-West

η Arae is a double giant star of spectral class K5 in the constellation of Ara.

η Arae visual magnitude is 3.76. Because of its moderate brightness, η 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 η Arae

Finder chart η Arae (eta Arae) star
Simplified finder chart for η Arae (eta Arae).

η 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 η Arae are provided in the following table:

16h 49m 47s
-59° 02’ 29”
Image of η Arae (eta Arae) star
DSS2 image of η Arae. The red arrow shows the motion of η Arae during the next 10000 years (6.33 arcmin in Right Ascension and -4.67 arcmin in declination);

Key facts about η Arae


and has a luminosity class of III corresponding to a giant star.


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

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

η Arae star system properties

η 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 η Arae double sysyem:

23.6 arcsec

Distance of η Arae from the Sun and relative movement

η Arae is distant 313.16 light years from the Sun and it is moving far from the Sun at the speed of 9 kilometers per second.

96.06 pc
313.16 ly
9 km/s
0.038 arcsec/year
-0.028 arcsec/year

Alternative designations of η Arae

η Arae
(eta Arae)

Visibility of η Arae from your location

η Arae (eta Arae) is currently not visible from Greenwich, UK