The Properties of Hypernovae: SNe Ic 1998bw, 1997ef, and SN IIn 1997cy

K. Nomoto, P. A. Mazzali, T. Nakamura +6

We discuss the properties of the hyper-energetic Type Ic supernovae (SNe Ic) 1998bw and 1997ef and Type IIn supernova (SN IIn) 1997cy. SNe Ic 1998bw and 1997ef are characterized by…