Tarf - β Cancri (beta Cancri)
Tarf, also designated as β Cancri (beta Cancri), is a variable and double giant star of spectral class K4 in the constellation of Cancer.
Tarf visual magnitude is 3.52. Because of its moderate brightness, Tarf is easily visible to the naked eye from locations with dark skies, while it might be barely visible, or not visible at all, from light-polluted skies.
Celestial Coordinates
Apparent
J2000
Galactic Coordinates
Finder Chart
Magnitude, Color, Spectral Class
The red dot in the diagram below shows where Tarf is situated in the Hertzsprung–Russell diagram.
Star System Properties
Tarf 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 Tarf double sysyem:
Distance, Radial Speed, Proper Motion
Tarf is distant 290.29 light years from the Sun and it is moving far from the Sun at the speed of 22 kilometers per second.
Alternative Designations
Visibility from Your Location
Today's Tarf - β Cancri (beta Cancri) rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):