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Table 5

Summary of IRDC cores classification.

IRAC 38 μm 24 μm emission Core category Cores in IRDCs C, F, G and H

8.0μm Yes/no Red
Green Fuzzy Yes Active C2, C3, C6, C9, H2, H5, H6
Green Fuzzy No Intermediate C4, F1
None Yes
None No Quiescent C1, C5, C8, F2, F3, G2, H1, H3, H4
3.6 μm emission Yes/no Blue

Notes. Cores F4, G1 and G3 have not yet been classified (Rathborne et al. 2010; Chambers et al. 2009).

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