Fig. 7.
Comparison of late-time spectra of LRNe, with the most prominent molecular bands highlighted. The sample includes AT 2019zhd (phase ∼29 d), AT 2020hat (∼76 d) and AT 2020kog (∼100 d; Pastorello et al. 2021), NGC4490-2011OT1 (∼218 d; Pastorello et al. 2019a), AT 2015dl (∼252 d; Blagorodnova et al. 2017), and V1309 Sco (∼62 d; Mason et al. 2010).
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