Accreted Globular Clusters and Horizontal Branch Morphology in the Outer Halo of M31

Gracie McGill, Annette M. N. Ferguson, Dougal Mackey +7

M31 hosts a rich population of outer halo ($R_{\mathrm{proj}}>25$ kpc) globular clusters (GCs), many of which show strong evidence for spatial and/or kinematical associations with la…