Observations of type Ia supernova SN 2020nlb up to 600 days after explosion, and the distance to M85

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Fig. 8.

SN 2020nlb velocity evolution of the Si II 6355 Å line, and the HVF and PVF of the Ca II NIR triplet. Comparisons to the Ca II NIR HVF of SN 2011fe and SN 2012fr are also shown (data from Silverman et al. 2015).

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