The Extended Halo of Centaurus A: Uncovering Satellites, Streams, and Substructures
D. Crnojević et al 2016 ApJ 823 19
A wide-field stellar map of Cen A (a close massive elliptical galaxy) reveals previously unknown streams, shells, and 13 dwarf satellite candidates, including the first tidally disrupting dwarf found around Cen A.