S. S. Larsen (1), A. J. Romanowsky (2,4), J. P. Brodie (3,4), A. Wasserman (4) ((1) Department of Astrophysics/IMAPP, Radboud University, Nijmegen, The Netherlands, (2) Department of Physics, Astronomy, San Jose State University, San Jose, CA, USA, (3) Centre for Astrophysics, Supercomputing, Swinburne University of Technology, Hawthorn, VIC, Australia, (4) University of California Observatories, University of California, Santa Cruz, CA, USA)