iPTF15dtg: a double-peaked Type Ic supernova from a massive progenitor F. Taddia, C. Fremling, J. Sollerman, A. Corsi, A. Gal-Yam, E. Karamehmetoglu, R. Lunnan, B. Bue, M. Ergon, M. Kasliwal et al. (2 more) A&A, 592 (2016) A89 Published online: 04 August 2016 DOI: 10.1051/0004-6361/201628703