Fig. 4

Spectra of SN 2010bt, 2010hp, and 2011ee are shown along with the best-fitting templates. a) The spectrum of 2010bt, dereddened by AB = 1.7 mag (see text) is compared with that of the type IIn SN 1996L. b) The spectrum of 2010hp, dereddened by AB = 0,5 mag (see text) is compared with that of the type IIP SN 1999em. c) The spectrum of 2011ee is compared to that of the SN Ic 2007gr at the maximum (top panel) and 60 days after the maximum.
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