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Fig. 17

image

Cold dust effective temperature vs. extinction-corrected Hα emission for 134 of our GDCs with temperature measurements and reliable flux measurements (SN > 3). The coloured symbols all indicate GDCs that are associated with D88 HII regions. The GDCs that also coincide with regions that were observed by APEX (see Sect. 4.7) are indicated by the blue filled circles (CO detections), yellow unfilled squares (marginal CO detections), and red crosses (no CO detections). The horizontal error bar in the lower right indicates the uncertainty in temperature that we assume for all GDCs.

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