Fig. 3
Comparison between the excitation temperatures of NH3(1,1), Tex1,1 and both Tex2,2 (upper panel) and Tex of the ortho-NH2D line (lower panel). In both panels, blue circles correspond to HMSCs, green squares show HMPOs, black pentagons correspond to UC Hii regions, and the dashed line indicates y = x. Typical error bars are indicated in the top left corner of each panel.
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