Table 2
Far-IR line cooling by molecules and atoms in units of L⊙.
| Source | Lbol | LFIRL | Lmol | LOI | LCO | LH2O | LOH | LCII |
| (L⊙) | (L⊙) | (L⊙) | (L⊙) | |||||
|
|
||||||||
| G327-0.6 | 7.3 × 104 | 2.1(0.7) | 1.8(0.6) | 0.3(0.1) | 1.8(0.6) | – | – | – |
| W51N-e1 | 5.2 × 105 | 37.8(10.8) | 30.2(8.9) | 7.6(1.8) | 25.3(6.8) | 2.5(1.1) | 2.4(1.0) | – |
| DR21(OH) | 1.3 × 104 | 1.4(0.4) | 1.3(0.4) | 0.09(0.03) | 1.2(0.3) | 0.09(0.04) | – | – |
| W33A | 3.0 × 104 | 0.7(0.2) | 0.6(0.2) | 0.05(0.02) | 0.6(0.2) | 0.02(0.01) | 0.04(0.01) | – |
| G34.26+0.15 | 1.9 × 105 | 9.6(2.9) | 7.7(2.4) | 1.9(0.5) | 7.7(2.4) | – | – | – |
| NGC 6334-I | 1.1 × 105 | 4.2(1.3) | 4.2(1.2) | 0.04(0.03) | 3.4(1.0) | 0.7(0.2) | 0.06(0.03) | – |
| NGC 7538-IRS1 | 1.1 × 105 | 13.6(3.3) | 2.6(0.8) | 11.0(2.5) | 1.8(0.5) | 0.6(0.2) | 0.2(0.1) | 2.0(0.4) |
| AFGL2591 | 1.2 × 105 | 6.1(1.8) | 2.7(0.8) | 3.4(0.9) | 1.6(0.5) | 1.0(0.4) | 0.11(0.04) | 1.9(0.4) |
| W3-IRS5 | 2.1 × 105 | 22.0(6.0) | 17.8(5.0) | 4.2(1.0) | 10.5(2.5) | 6.1(2.2) | 1.2(0.4) | – |
| G5.89-0.39 | 4.1 × 104 | 8.8(2.2) | 5.1(1.3) | 3.7(0.9) | 3.9(0.9) | 0.8(0.3) | 0.5(0.2) | – |
Notes. Columns show: (1) bolometric luminosity, Lbol, (2) total FIR line cooling, LFIRL (Lmol+LOI), (3) molecular cooling, Lmol, and (4) cooling by oxygen atoms, LOI. Cooling by individual molecules is shown in Col. (5) CO, (6) H2O, and (7) OH. Absence of emission lines that would contribute to the cooling are shown with “–” (absorption lines are detected for H2O and OH). Errors are written in brackets and include 20% calibration error on individual line fluxes.
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