Omega Ursae Majoris
Star system
Omega Ursae Majoris is the Bayer designation for a binary star system in the northern circumpolar constellation of Ursa Major. It is visible to the naked eye with an apparent visual magnitude of 4.61. Based upon an annual parallax shift of 13.24... Wikipedia
Apparent magnitude (V): 4.61
Absolute magnitude (MV): +0.86
Argument of periastron (ω) (secondary): 27.3°
B−V color index: −0.04
Constellation: Ursa Major
Radial velocity (Rv): −18.70±0.80 km/s