Fig. 9.
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Late time spectra of NGC 300 OT compared with models of nebular spectra taken from Jerkstrand et al. (2017). Forbidden [Ni II] lines expected in Ni-rich ejecta are marked with dashed lines. The bottom panels show a zoom onto the region where broad lines are observed in ILRTs. The shaded grey area in the bottom panels highlights the flux difference in the two models.
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