τ Octantis (tau Octantis)
Below the horizon.
Never rises today
Alt: -47.06°
Az: 183.90°
Direction: South-South-West
τ Octantis is a giant star of spectral class K2 in the constellation of Octans.
τ Octantis visual magnitude is 5.49. Because of its faintness, τ Octantis 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.
DSS2 image of τ Octantis. The red arrow shows the motion of τ Octantis during the next
10000 years (2.50 arcmin in Right Ascension and 1.50 arcmin in declination);
Celestial Coordinates
Apparent
J2000
Galactic Coordinates
Finder Chart
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Finder chart for τ Octantis (tau Octantis).
Magnitude, Color, Spectral Class
The red dot in the diagram below shows where τ Octantis is situated in the Hertzsprung–Russell diagram.
H-R diagram showing the position of τ Octantis.
Attribution: Richard Powell / CC BY-SA
Distance, Radial Speed, Proper Motion
τ Octantis is distant 522.44 light years from the Sun and it is moving far from the Sun at the speed of 31 kilometers per second.
Alternative Designations
Visibility from Your Location
τ Octantis (tau Octantis) is currently not visible from Pacific, United States