τ1 Lupi (tau1 Lupi)
τ1 Lupi is a variable and double sub-giant star of spectral class B2 in the constellation of Lupus.
τ1 Lupi visual magnitude is 4.56. Because of its moderate brightness, τ1 Lupi 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
Apparent
J2000
Galactic Coordinates
Finder Chart
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Finder chart for τ1 Lupi (tau1 Lupi).
Magnitude, Color, Spectral Class

The red dot in the diagram below shows where τ1 Lupi is situated in the Hertzsprung–Russell diagram.

Star System Properties
τ1 Lupi is a visual double star which can be observed with the help of small or medium telescopes. The table below shows key information about the τ1 Lupi double sysyem:
Distance, Radial Speed, Proper Motion
τ1 Lupi is distant 1,034.92 light years from the Sun and it is moving towards the Sun at the speed of 22 kilometers per second.
Alternative Designations
Visibility from Your Location
τ1 Lupi (tau1 Lupi) is currently not visible from Greenwich, UK