H. Andresen (1,2,3), E. Müller (1), H.-Th. Janka (1), A. Summa (1), K. Gill (4,5), M. Zanolin (6) ((1) MPI Astrophysics, Garching, (2) Physik Dept., TUM, Garching, (3) MPI Gravitational Physics, Potsdam-Golm, (4) Harvard-Smithsonian Center for Astrophysics, Cambridge, (5) Department of Physics Columbia University, New York, (6) Embry Riddle University, Prescott)