HR6646 is a giant star in the constellation of Apus.
HR6646 visual magnitude is 6.35. Because of its reltive faintness, HR6646 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 HR6646:
Celestial coordinates and finder chart of HR6646
HR6646 is situated close to the southern celestial pole and, as such, it is easilty visible for most part of the year from the southern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR6646 are provided in the following table:
The simplified sky map below shows the position of HR6646 in the sky:
Visibility of HR6646 from your location
HR6646 is currently not visible from Greenwich, United Kingdom [change]
Digitized Sky Survey image of HR6646
The image below is a photograph of HR6646 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 HR6646 is 0.018 arcsec per year in Right Ascension and -0.04 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.
Distance of HR6646 from the Sun and relative movement
HR6646 is distant 923.51 light years from the Sun and it is moving towards the Sun at the speed of 3 kilometers per second.
Spectral properties of HR6646
HR6646 belongs to spectral class K3 and has a luminosity class of III corresponding to a giant star.
The red dot in the diagram below shows where HR6646 is situated in the Hertzsprung–Russell diagram.