Dubhe a star tied the Big Dipper?!?

Dubhe a star tied the Big Dipper turns out to be a unique White Dwarf

Astronomers have spotted a new type of stripped-down white dwarf star with a pulsating carbon surface. The new and so far unique white dwarf was predicted to exist somewhere in the cosmos, but was found only because of some massive surveys of the sky.

http://www.newsweird.com/2011021200/news/dubhe-a-star-tied-the-big-dipper-turns-out-to-be-a-unique-white-dwarf-3671