Interaction-powered supernovae: Rise-time versus peak-luminosity correlation and the shock-breakout velocity

Eran O. Ofek, Iair Arcavi, David Tal, Mark Sullivan, Avishay Gal-Yam, Shrinivas R. Kulkarni, Peter E. Nugent, Sagi Ben-Ami, David Bersier, Yi Cao, S. Bradley Cenko, Cia, Annalisa De Cia, Alexei V. Filippenko, Claes Fransson, Mansi M. Kasliwal, Russ Laher, Jason Surace, Robert Quimby, Ofer Yaron