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Fig. A.2

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Same as Fig. A.1 but for the 13CO J = 10–9 spectra from the observed low-, intermediate- and high-mass YSOs. In the figure with the high-mass sample, the sources are presented according to their evolutionary stage. In the first row we find the mid-IR-quiet high-mass protostellar objects (HMPOs), in the second row the mid-IR-bright HMPOs, in the third line hot molecular cores and in the last row the ultra-compact Hii regions.

This figure is made of several images, please see below:

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