HR5640
HR5640 is a double giant star of spectral class K1 in the constellation of Boötes.
HR5640 visual magnitude is 5.81. Because of its faintness, HR5640 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 HR5640.
Magnitude, Color, Spectral Class
The red dot in the diagram below shows where HR5640 is situated in the Hertzsprung–Russell diagram.
Star System Properties
HR5640 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 HR5640 double sysyem:
Distance, Radial Speed, Proper Motion
HR5640 is distant 510.17 light years from the Sun and it is moving towards the Sun at the speed of 16 kilometers per second.
Alternative Designations
Visibility from Your Location
Today's HR5640 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):