ζ4 Librae (zeta4 Librae)
ζ4 Librae is a variable and double main-sequence star of spectral class B2 in the constellation of Libra.
ζ4 Librae visual magnitude is 5.5. Because of its faintness, ζ4 Librae 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.
Celestial Coordinates
Apparent
J2000
Galactic Coordinates
Finder Chart
Simplified finder chart for ζ4 Librae (zeta4 Librae).
Magnitude, Color, Spectral Class
The red dot in the diagram below shows where ζ4 Librae is situated in the Hertzsprung–Russell diagram.
Star System Properties
ζ4 Librae 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 ζ4 Librae double sysyem:
Distance, Radial Speed, Proper Motion
ζ4 Librae is distant 768.87 light years from the Sun and it is moving far from the Sun at the speed of 9 kilometers per second.
Alternative Designations
Visibility from Your Location
Today's ζ4 Librae (zeta4 Librae) rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):