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Fig. 25.

image

Comparison of normalized spectra at about 240 d after explosion for model r0e1 (left panel) and r0e4 (right panel) for two different levels of clumping (fvol of 1 in the top row and 0.01 in the bottom row). Clumping has a weak impact on the lower energy model (which has a denser inner ejecta) but a drastic influence on the higher energy model (which has a lower-density inner ejecta), associated with a strong reduction in ionization.

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