HR4839 is a giant star in the constellation of Hydra.
HR4839 visual magnitude is 5.48. Because of its reltive faintness, HR4839 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 HR4839:
Celestial coordinates and finder chart of HR4839
HR4839 is situated south of the celestial equator, as such, it is more easily visible from the southern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR4839 are provided in the following table:
The simplified sky map below shows the position of HR4839 in the sky:
Visibility of HR4839 from your location
Location: Greenwich, United Kingdom
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Today's HR4839 rise, transit and set times from Greenwich, United Kingdom are the following (all times relative to the local timezone Europe/London):
Digitized Sky Survey image of HR4839
The image below is a photograph of HR4839 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 HR4839 is -0.027 arcsec per year in Right Ascension and -0.038 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.
Distance of HR4839 from the Sun and relative movement
HR4839 is distant 396.59 light years from the Sun and it is moving far from the Sun at the speed of 7 kilometers per second.
Spectral properties of HR4839
HR4839 belongs to spectral class K4 and has a luminosity class of III corresponding to a giant star.
The red dot in the diagram below shows where HR4839 is situated in the Hertzsprung–Russell diagram.