Tags: Star.
Delta Ursae Majoris (Delta UMa δ Ursae Majoris δ UMa) is the Bayer designation for a star in the northern circumpolar constellation of Ursa Major. It has the traditional names Megrez /ˈmɛɡrɛz/ and Kaffa. Megrez has an apparent magnitude of +3.3 making it the dimmest of the seven stars in the Big Dipper asterism. Parallax measurements yield a distance estimate of 58.4 light-years (17.9 parsecs) from Earth.Megrez has 63% more mass of the Sun and is about 1.4 times the Sun’s radius.
