Tags: Star.
Xi Boötis (ξ Boo ξ Boötis) is a binary star system 22 light years away from Earth. It is the nearest visible star in the constellation Boötes. The primary star in this system is a BY Draconis variable with an apparent magnitude that varies from +4.52 to +4.67 with a period just over 10 days long and is classified as a yellow G-type main sequence dwarf. The AB binary can be resolved even through smaller telescopes.
