Bernhard Müller (1,2,6), Maxime Viallet (3), Alexander Heger (2,4,5,6), Hans-Thomas Janka (3) ((1) Queen's University Belfast, (2) Monash University, (3) Max-Planck-Institute for Astrophysics, (4) University of Minnesota, (5) Shanghai Jiao-Tong University, (6) JINA-CEE University of Notre Dame)