Fig. 5
Comparison of the line profiles of the UV resonant lines (MgII 2800 Å, CII 1334 Å, and OI 1302 Å) from day 99 with the optical ones NaI D and CaII K (CaII H, in the figure, is blended with Hε). The NaI D had almost disappeared and was blended with He I 5876 Å emission which was the strongest line in the 5800−6000 Å range by this time.
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