HR5781
HR5781 is a variable and double sub-giant star of spectral class B3 in the constellation of Lupus.
HR5781 visual magnitude is 4.54. Because of its moderate brightness, HR5781 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

Magnitude, Color, Spectral Class
The red dot in the diagram below shows where HR5781 is situated in the Hertzsprung–Russell diagram.

Star System Properties
HR5781 is a visual double star which can be observed with the help of medium or large telescopes. The table below shows key information about the HR5781 double sysyem:
Distance, Radial Speed, Proper Motion
HR5781 is distant 434.09 light years from the Sun and it is moving far from the Sun at the speed of 7 kilometers per second.
Alternative Designations
Visibility from Your Location
HR5781 is currently not visible from Greenwich, UK