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public LocationGreenwich, UK
Sunrise: 5:12 
Transit: 13:06 
Sunset: 20:59
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All Constellations » Triangulum Australe » 

η1 Trianguli Australis (eta1 Trianguli Australis)

Below the horizon.  Never rises today
Alt: -59.90°   Az: 216.05°   Direction: South-West

η1 Trianguli Australis is a sub-giant star of spectral class B7 in the constellation of Triangulum Australe.

η1 Trianguli Australis visual magnitude is 5.91. Because of its faintness, η1 Trianguli Australis is visible to the naked eye only from locations with very dark skies, while it is not visible at all from skies affected by light pollution.

Image of η1 Trianguli Australis (eta1 Trianguli Australis) star
DSS2 image of η1 Trianguli Australis. The red arrow shows the motion of η1 Trianguli Australis during the next 10000 years (-1.00 arcmin in Right Ascension and -2.00 arcmin in declination);

Celestial Coordinates


16h 43m 56s
-68° 20’ 28”
08h 27m 35s
01h 11m 32s


16h 41m 23s
-68° 17’ 45”

Galactic Coordinates


Finder Chart

Finder chart η1 Trianguli Australis (eta1 Trianguli Australis) star
Simplified finder chart for η1 Trianguli Australis (eta1 Trianguli Australis).

Magnitude, Color, Spectral Class



The red dot in the diagram below shows where η1 Trianguli Australis is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of η1 Trianguli Australis. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

η1 Trianguli Australis is distant 687.76 light years from the Sun and it is moving towards the Sun at the speed of 43 kilometers per second.

-43 km/s
-0.006 arcsec/y

Alternative Designations

η1 Trianguli Australis
(eta1 Trianguli Australis)

Visibility from Your Location

η1 Trianguli Australis (eta1 Trianguli Australis) is currently not visible from Greenwich, UK