SN 2013df, a double-peaked IIb supernova from a compact progenitor and an extended H envelope

A. Morales-Garoffolo, N. Elias-Rosa, S. Benetti +11

Optical observations of the type IIb SN 2013df from a few days to about 250 days after explosion are presented. These observations are complemented with UV photometry taken by \tex…