Epsilon Ursae Majoris, 77 Ursae Majoris
|Despite its 'epsilon' designation, Alioth is the brightest star in Ursa Major, with a magnitude of +1.8.
This white star exhibits variability of the type demonstrated by Alpha 2 Canum Venaticorum:
that is, Alioth's apparent brightness changes as the star rotates.
eSky © copyright Mark Fisher 1999-2013