Open Access
Table 5
Heating and cooling processes implemented in KOSMA-→.
| ID |  |
Notes |
|---|---|---|
| 1 | h/c | Collisional de-excitation of vibrationally excited H2 |
| 2 | h | Photo-dissociation heating of H2 |
| 3 | h | H2-formation heating using 1/3 of the binding energy of 4.48 eV |
| 4 | c | [O I] 3P1 → 3P2 (63 µm) line cooling |
| 5 | c | [O I] 3P0 → 3P2 (44 µm) line cooling (negligible) |
| 6 | c | [O I] 3P0 → 3P1 (146 µm) line cooling |
| 7 | h | Cosmic ray heating (Glassgold et al. 2012) |
| 8 | h/c | Grain photoelectric (PE) heating (minus recombination) |
| 9 | c | 12CO line cooling (J = 0–49) |
| 10 | c | [C II] 2P3/2 → 2P1/2(158 µm) line cooling (13C+ implemented but not used) |
| 11 | c | [C I] 3P1 → 3P0 line cooling |
| 12 | c | [C I] 3P2 → 3P0 line cooling(negligible) |
| 13 | c | [C I] 3P2 → 3P1 line cooling |
| 14 | c | [Si II] 2P3/2 → 2P1/2 (35 µm) line cooling |
| 15 | c | 13CO line cooling (J = 0–49) |
| 16 | c | H I Lyman-→ cooling (Spitzer 1978) |
| 17 | c | H2O line cooling (Neufeld & Melnick 1987) |
| 18 | h/c | Gas-grain collisions |
| 19 | c | OH line cooling (including lowest 16 energy levels) |
| 20 | c | O I 6300 Å cooling (Bakes & Tielens 1994) |
| 21 | c | H2 photo-dissociation kinetic cooling (Lepp & Shull 1983) |
| 22 | h | Carbon photo-ionization heating (Tielens & Hollenbach 1985) |
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