HR4239
HR4239 is a double sub-giant star of spectral class B9 in the constellation of Carina.
HR4239 visual magnitude is 5.91. Because of its faintness, HR4239 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

Magnitude, Color, Spectral Class
The red dot in the diagram below shows where HR4239 is situated in the Hertzsprung–Russell diagram.

Star System Properties
HR4239 is a visual double star which can be observed with the help of large telescopes. The table below shows key information about the HR4239 double sysyem:
Distance, Radial Speed, Proper Motion
HR4239 is distant 853.40 light years from the Sun and it is moving far from the Sun at the speed of 4 kilometers per second.
Alternative Designations
Visibility from Your Location
HR4239 is currently not visible from Greenwich, UK