SN 2011dh: Discovery of a type IIb supernova from a compact progenitor in the nearby galaxy M51 (Astrophysical Journal Letters, 2011)

(untitled) - Arcavi, I; Gal-Yam, A; Yaron, O; Sternberg, A; Rabinak, I; Waxman, E; Kasliwal, M; Quimby, R; Ofek, E; Horesh, A; Kulkarni, SR; Filippenko, A; et al.