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Fig. 5
The Hα and Hβ lines on Days 7 and 40. The model profiles are calculated for two cases of 56Ni mixing, strong (thick solid line) and moderate (dotted line), and overplotted on the observed profiles (thin solid line). Modeling the Hβ profile includes the Fe II 4924, 5018, 5169 Å and Ba II 4935 Å lines.
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