Dubhe (redirected from Alpha Ursae Majoris)
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Dubhe (dûb -hay) (α UMa) An orange-yellow giant that is one of the seven brightest stars in the Plough and is one of the two Pointers. It is a close visual binary (period 44 years) with a 4th-magnitude companion. mv : 1.79; Mv : –0.8; spectral type: K0 IIIa; distance: 33 pc.