23 Ursae Majoris

23 Ursae Majoris, or 23 UMa, is a binary star system in the constellation Ursa Major. It is approximately 75.5 light years from Earth.

The primary component is a yellow-white F-type subgiant with an apparent magnitude of +3.65. It has 2.9 times the Sun's radius and is emitting 15 times the luminosity of the Sun. Orbiting at an angular separation of 22.7 arcseconds is the 9th magnitude secondary companion. There is a magnitude +10.5 optical companion at an angular separation of 99.6 arcseconds.

With φ, υ, θ, τ, 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,