Andromeda I dwarf spheroidal galaxy

Andromeda I is a dwarf spheroidal galaxy (dSph) about 2.40 million light-years away. Andromeda I is part of the Local group of galaxies and a satellite galaxy of the Andromeda Galaxy (M31). It is the closest known dSph companion to M31 at an estimated projected distance of ~40 kpc.

The estimated age of the dwarf galaxy is approximately 10 Gyr. There is also found a globular cluster in Andromeda I.

See also

• Andromeda's satellite galaxies