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Fig. 9.

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Evolution of the best-fit blackbody temperatures (a), photospheric radius (b), FWHM and blueshift evolution for the whole profile and P Cygni Hα emission (c), and evolution of the total luminosity of Hα (d) of SN 2020pvb and SN 2011ht. The dot-dashed vertical line indicates the B-band maximum light of SN 2020pvb.

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