Fig. B.4
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Comparison between modeled spectra and observed c-C3H2 lines, with radial abundance profiles following Sipilä et al. (2015) for different epochs between 0.1 and 1 Myr. The spectra at the dust peak and at the c-C3H2 peak are shown in the upper panel and lower panels, respectively. The optical depth for each modeled line of the 0.13 Myr epoch abundance profile is indicated in each subplot.
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