Willman 1
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Galaxy | listing of galaxies |
Willman 1 or SDSS J1049+5103 is an extreme globular cluster or ultra low-mass dwarf galaxy discovered by a team lead by Beth Willman of New York University, using Sloan Digital Sky Survey data. As of 2006, it is the third dimmest galaxy known, after Boo dSph and UMa dSph, 200 times dimmer than the next dimmest. The galaxy is a satellite of the Milky Way; 147,000 light years away.