Table 4.
Nuclear CO(2–1) emission and cold molecular gas mass.
| IRAS name | Nucleus | rCO(a) | SCO(b) | log MH2(c) | log ΣH2(d) |
|---|---|---|---|---|---|
| (pc) | (Jy km s−1) | (M⊙) | (M⊙ pc−2) | ||
| 00091−0738 | S | 217 ± 9 | 11.6 ± 0.1 | 9.22 ± 0.04 | 3.74 ± 0.05 |
| N | 421 ± 9 | 8.00 ± 0.41 | 9.05 ± 0.05 | 3.01 ± 0.06 | |
| 00188−0856 | – | 321 ± 5 | 15.9 ± 0.2 | 9.43 ± 0.04 | 3.61 ± 0.05 |
| 00509+1225 | – | 281 ± 9 | 22.7 ± 0.4 | 8.92 ± 0.04 | 3.23 ± 0.06 |
| 01572+0009 | – | 285 ± 6 | 5.12 ± 0.07 | 9.15 ± 0.04 | 3.44 ± 0.04 |
| F05189−2524 | – | 264 ± 8 | 71.3 ± 0.9 | 9.11 ± 0.04 | 3.46 ± 0.06 |
| 07251−0248 | W | 343 ± 13 | 12.5 ± 1.7 | 8.99 ± 0.07 | 3.12 ± 0.09 |
| E | 255 ± 13 | 31.7 ± 0.4 | 9.39 ± 0.04 | 3.78 ± 0.06 | |
| 09022−3615 | – | 397 ± 7 | 153 ± 2 | 9.73 ± 0.04 | 3.74 ± 0.04 |
| F10190+1322 | W | 470 ± 9 | 17.0 ± 0.8 | 9.00 ± 0.05 | 2.85 ± 0.05 |
| E | 418 ± 9 | 52.6 ± 0.8 | 9.49 ± 0.04 | 3.44 ± 0.05 | |
| 11095−0238 | SW | 480 ± 11 | 20.1 ± 0.8 | 9.36 ± 0.05 | 3.20 ± 0.05 |
| NE | 365 ± 11 | 22.5 ± 0.5 | 9.41 ± 0.04 | 3.49 ± 0.05 | |
| F12112+0305 | SW | 262 ± 6 | 17.2 ± 0.5 | 8.96 ± 0.05 | 3.33 ± 0.05 |
| NE | 325 ± 6 | 72.2 ± 0.9 | 9.58 ± 0.04 | 3.76 ± 0.05 | |
| 13120−5453 | – | 462 ± 5 | 472 ± 5 | 9.65 ± 0.04 | 3.52 ± 0.05 |
| F14348−1447 | SW | 384 ± 9 | 53.9 ± 0.8 | 9.57 ± 0.04 | 3.60 ± 0.04 |
| NE | 350 ± 9 | 33.3 ± 1.3 | 9.36 ± 0.05 | 3.47 ± 0.05 | |
| F14378−3651 | – | 447 ± 7 | 40.9 ± 0.6 | 9.28 ± 0.04 | 3.18 ± 0.05 |
| F15327+2340 † | – | 370 ± 4 | 1360 ± 7 | 9.63 ± 0.04 | 3.69 ± 0.05 |
| 16090−0139 | – | 374 ± 8 | 43.9 ± 0.6 | 9.91 ± 0.04 | 3.96 ± 0.06 |
| 16155+0146 | NW | 64 ± 12 | 2.24 ± 0.03 | 8.61 ± 0.04 | 4.19 ± 0.16 |
| SE | … | <0.04 | <6.81 | … | |
| 17208−0014 | – | 364 ± 9 | 338 ± 6 | 9.79 ± 0.04 | 3.86 ± 0.05 |
| F19297−0406 | S | … | 1.2 ± 0.3 | 7.93 ± 0.11 | … |
| N | 455 ± 8 | 81.7 ± 1.3 | 9.78 ± 0.04 | 3.66 ± 0.05 | |
| 19542+1110 | – | 231 ± 4 | 35.4 ± 0.2 | 9.14 ± 0.04 | 3.61 ± 0.04 |
| 20087−0308 | – | 413 ± 4 | 59.7 ± 0.6 | 9.83 ± 0.04 | 3.80 ± 0.05 |
| 20100−4156 | NW | 364 ± 8 | 0.939 ± 0.042 | 8.21 ± 0.05 | 2.29 ± 0.05 |
| SE | 210 ± 4 | 21.1 ± 0.1 | 9.56 ± 0.04 | 4.12 ± 0.05 | |
| 20414−1651 | – | 262 ± 5 | 32.2 ± 0.5 | 9.39 ± 0.04 | 3.75 ± 0.06 |
| F22491−1808 | W | … | 0.41 ± 0.02 | 7.38 ± 0.02 | … |
| E | 280 ± 5 | 45.4 ± 0.3 | 9.44 ± 0.04 | 3.74 ± 0.05 |
Notes.
Nuclear CO(2–1) flux derived from the Gaussian model. This value does not include extended CO(2–1) emission beyond r > 0.7 kpc. In addition to the statistical uncertainties listed in this column, the absolute flux accuracy is ∼10%.
Molecular gas mass calculated using a ULIRG-like αCO conversion factor (0.78 M⊙ (K km s−1 pc−2)−1) and a CO 2–1 to 1–0 ratio r21 = 0.91 (see Sect. 4.3).
(†)At the resolution of these observations (370 pc) it is not possible to disentangle the CO(2–1) emission from the two nuclei of F15327+2340 (see Fig. B.1).
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