HR645
HR645 is a variable and double giant star of spectral class G8 in the constellation of Andromeda.
HR645 visual magnitude is 5.31. Because of its faintness, HR645 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 HR645.
Magnitude, Color, Spectral Class
The red dot in the diagram below shows where HR645 is situated in the Hertzsprung–Russell diagram.
Star System Properties
HR645 is a visual double star which can be observed with the help of small or medium telescopes. The table below shows key information about the HR645 double sysyem:
Distance, Radial Speed, Proper Motion
HR645 is distant 198.90 light years from the Sun and it is moving far from the Sun at the speed of 27 kilometers per second.
Alternative Designations
Visibility from Your Location
HR645 is circumpolar and transits at 02:44 UTC (altitude: 89.7°)