Tags: Star.
Tau Ursae Majoris (Tau UMa τ Ursae Majoris τ UMa) is a binary star in the constellation Ursa Major. It is approximately 122 light years from Earth.Tau Ursae Majoris is a spectroscopic binary which is classified as a yellow-white F-type giant with an apparent magnitude of +4.67. The binary system completes one orbit every 1062 days.With φ h υ θ e and f it composed the Arabic asterism Sarīr Banāt al-Na’sh the Throne of the daughters of Na’sh and al-Haud the Pond
