 Sextans A have formed a pair with the most remote galaxy in the group, Sextans B.

Sextans B is the second largest galaxy in the group, with a diameter of 6,000 light-years.Sextans B is the most distant from Earth in the group, at 4.44 million light-years away.Sextans B has a uniform stellar population, but the interstellar medium in it may be inhomogeneous.