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Table 3
Summary of the combined cooling processes.
| Label | Processa |
|
|
|
| Λatomic | Atomic cooling |
| ΛCI,CII | Carbon fine-structure cooling |
| ΛCO(H) | CO vibrations excited by atomic hydrogen |
| ΛCO(H2) | CO vibrations excited by molecular hydrogen |
| ΛCO(r) | CO rotational transitions collisionally |
| excited by molecular and atomic hydrogen | |
| ΛCR | Cosmic ray heating |
| Λgrain | Dust grain cooling/heating |
| ΛH2(diss) | Dissociation of molecular hydrogen cooling |
| ΛH2(ref) | H2 reformation heating |
| ΛH2(r − v) | Molecular hydrogen rotational and |
| vibrational cooling | |
| ΛH2O(r) | Water rotational cooling |
| ΛH2O(H) | Water vibrations excited by collisions |
| with atomic hydrogen | |
| ΛH2O(H2) | Water vibrations excited by collisions |
| with molecular hydrogen | |
| ΛO(63 μm) | Oxygen non-LTE cooling |
| ΛOH | OH cooling |
Notes.
(a)
The above processes are described in detail in Smith & Rosen (2003) and references therein.
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