HR4239 is a double sub-giant star in the constellation of Carina.
HR4239 visual magnitude is 5.91. Because of its reltive faintness, HR4239 should be visible only from locations with dark skyes, while it is not visible at all from skyes affected by light pollution.
The table below summarizes the key facts about HR4239:
Celestial coordinates and finder chart of HR4239
HR4239 is situated south of the celestial equator, as such, it is more easily visible from the southern emisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR4239 are provided in the following table:
The simplified sky map below shows the position of HR4239 in the sky:
Visibility of HR4239 from your location
HR4239 is currently not visible from Greenwich, United Kingdom [change]
Digitized Sky Survey image of HR4239
The image below is a photograph of HR4239 from the Digitized Sky Survey 2 (DSS2 - see the credits section) taken in the red channel. The area of sky represented in the image is 0.5x0.5 degrees (30x30 arcmins). The proper motion of HR4239 is -0.043 arcsec per year in Right Ascension and 0.001 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.
Distance of HR4239 from the Sun and relative movement
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.
Spectral properties of HR4239
HR4239 belongs to spectral class B9 and has a luminosity class of IV corresponding to a sub-giant star.
The red dot in the diagram below shows where HR4239 is situated in the Hertzsprung–Russell diagram.
HR4239 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: