4 Ursae Majoris: Difference between revisions

'''Pi² Ursae Majoris''' ('''Pi²&nbsp;UMa''', '''π²&nbsp;Ursae Majoris''', '''π²&nbsp;UMa'''), also known as '''4 Ursae Majoris''' (sometimes abbreviated '''4 Uma''') or traditionally named '''Muscida''', is the [[Bayer designation]] for a [[star]] in the northern [[circumpolar constellation]] of [[Ursa Major]]. With an [[apparent visual magnitude]] of +4.6,<ref name=mnras172_667/> this star is visible from suburban or darker skies based upon the [[Bortle Dark-Sky Scale]]. From [[parallax]] measurements made during the [[Hipparcos]] mission, this star is at a distance of {{Convert|256|ly|pc|abbr=off|lk=on}} from Earth.<ref name=aaa474_2_653/> {{As of|2011}}, one [[extrasolar planet]] has been confirmed to be orbiting the star.