Column densities (convolved to a 30′′ beam) of c-C3H2 (left panel) and l-C3H2 (middle panel), and the C3H2c/l column density ratio (right panel) as functions of time toward the center of the L1544 model. The different colors correspond to (red), ~7 (blue), and 25 (green). The horizontal lines and bars in each panel correspond to the observed values toward the L1544 dust peak (Spezzano et al. 2016).
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