Abstract

The Pan-Andromeda Archaeological Survey team have shown that there are globular clusters 
associated with the large scale stellar streams present in the halo of M31, streams that are the 
remnants of the tidal disruption of dwarf galaxies.  Within the halo of the Milky Way there are 
globular clusters associated with the on-going Sgr dwarf tidal disruption event, as well as a 
number of clusters that have been suggested as originating in disrupted accreted systems.  We 
are targeting a sample of such clusters with the DECam and MegaCam wide field imagers to 
search for spatially extended populations that might represent the remnants of the original dwarf 
galaxy.  In this talk, I will present preliminary results of our study of M2, a cluster that has been 
recently shown to possess similar chemical anomalies to those for NGC1851.  NGC1851 is 
surrounded by a large diffuse stellar envelope, and we find that M2 also possesses significant 
extended structure well beyond its nominal tidal radius.