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Fig. 2.

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Lines identified as HOCHCHCHO towards IRAS16293 B. The observations are in black. The model with N = 1.0 × 1015 cm−2 and Tex = 125 K is overlaid in red. The green line corresponds to the model which includes the previous molecules identified in the PILS survey. The lines at 333.1545, 341.8653, 356.3017, and 362.2382 GHz could be partially blended with unknown species.

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