HR6643
HR6643 is a double giant star of spectral class M2 in the constellation of Scorpius.
HR6643 visual magnitude is 5.96. Because of its faintness, HR6643 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
Simplified finder chart for HR6643.
Magnitude, Color, Spectral Class
The red dot in the diagram below shows where HR6643 is situated in the Hertzsprung–Russell diagram.
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:
Distance, Radial Speed, Proper Motion
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.
Alternative Designations
Visibility from Your Location
HR6643 is currently not visible from Greenwich, UK