Open Access

Fig. 14


Similar to Fig. 3, but now showing the optical and near-infrared spectra for type II SN models associated with different ZAMS masses from 12 to 25 M. These models are all characterized by the same H-rich envelope mass of 9 M in the progenitor, by weak mixing of non-IGE species (100 km s−1), and by strong mixing of 56Ni and daughter isotopes. All models in this set have an ejecta kinetic energy of 1051 erg and a 56Ni mass of 0.08 M.

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