Virgo I

Virgo I is an extremely faint satellite galaxy of the Milky Way.

Virgo I has an absolute visual magnitude of −0.8 making it one of the least luminous galaxies confirmed thus far.

The galaxy has a radius of 124 light years, (half light radius 38 pc) meaning that it is too big to be a globular cluster.

[2] Cetus II is dimmer, but too small to be classed as a galaxy.

[2] Virgo I is dimmer than Segue I, the previous dimmest known.