P.A. Mazzali (1,2,3,4), S. Benetti (5), M. Stehle (4,6), D. Branch (7), J. Deng (2,3), K. Maeda (2,3), K. Nomoto (2,3), M. Hamuy (8) ((1) INAF-Osservatorio Astronomico, Trieste, Italy, (2) Astronomy Dept., University of Tokyo, Japan, (3) Research Center for the Early Universe, University of Tokyo, Japan, (4) Max-Planck Institut fuer Astrophysik, Garching, Germany, (5) INAF-Osservatorio Astronomico, Padova, Italy, (6) Universitaets-Sternwarte Muenchen, Germany, (7) Astronomy Dept., Univ. of Oklahoma, Norman, OK, USA, (8) Carnegie Institution, Pasadena, CA, USA)
