Fig. 5
Observed CH3CN spectra towards sources 13-s, 6,7,9-s, and 4-n. The detected K-components are marked with arrows in each case, and the rest velocity with a dotted line. The green solid line is the best Gaussian fit for the lines, obtained with CLASS, and the resulting line parameters are in Table 4. Only for 13-s were the four K-components detected, indicating a warmer environment.
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