HR6643 is a double giant star in the constellation of Scorpius.
HR6643 visual magnitude is 5.96. Because of its reltive faintness, HR6643 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 HR6643:
Celestial coordinates and finder chart of HR6643
HR6643 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 HR6643 are provided in the following table:
The simplified sky map below shows the position of HR6643 in the sky:
Visibility of HR6643 from your location
HR6643 is currently not visible from Greenwich, United Kingdom [change]
Digitized Sky Survey image of HR6643
The image below is a photograph of HR6643 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 HR6643 is -0.028 arcsec per year in Right Ascension and -0.053 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.
Distance of HR6643 from the Sun and relative movement
HR6643 is distant 737.56 light years from the Sun and it is moving towards the Sun at the speed of 85 kilometers per second.
Spectral properties of HR6643
HR6643 belongs to spectral class M2 and has a luminosity class of III corresponding to a giant star.
The red dot in the diagram below shows where HR6643 is situated in the Hertzsprung–Russell diagram.
HR6643 star system properties
HR6643 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 HR6643 double sysyem: