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Fig. 13.

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Spectrum of SN 2020faa at phase 213 d compared with spectra of other SNe in our sample. Spectra are taken at different phases for different SNe but are similar to each other, indicating different evolutionary timescales. Numbers near the spectra are days from explosion. All spectra are matched in intensity with respect to the Hα emission and arbitrarily scaled for better visualisation.

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