Table 2.
CO fluxes.
| Region | Area (a) | CO(1–0) | CO(2–1) | CO(4–3) | CO(6–5) |
|---|---|---|---|---|---|
| (arcsec2) | (Jy km s−1) | ||||
| Nucleus (b) | 4.4 | 81.7 ± 0.4 | 340.5 ± 1.9 | 970 ± 190 | 900 ± 180 |
| Disk GMCs | 39 | 78.7 ± 0.4 | 307.3 ± 1.5 | 538 ± 3.3 | < 430 |
| (mJy km s−1) | |||||
| B130 ( * ) | 0.70 | 28 ± 6 | 116 ± 11 | 411 ± 82 | < 36 |
| B380 | 1.13 | 50 ± 13 | 211 ± 21 | < 53 | < 69 |
| B630 | 3.24 | 306 ± 30 | 1060 ± 100 | < 140 | < 240 |
| B890 | 3.24 | 252 ± 33 | 956 ± 95 | < 170 | < 290 |
| B1130 | 2.26 | 163 ± 88 | 370 ± 110 | < 350 | < 500 |
| B1370 | 1.83 | < 150 | 235 ± 73 | < 180 | < 330 |
| R130 ( * ) | 0.85 | 89 ± 8 | 166 ± 16 | 223 ± 44 | < 53 |
| R380 | 1.69 | 271 ± 27 | 671 ± 67 | < 111 | < 140 |
| R630 | 2.96 | 369 ± 36 | 1070 ± 110 | < 190 | < 240 |
| R890 | 3.39 | 258 ± 27 | 991 ± 99 | < 190 | < 240 |
| R1130 | 1.41 | < 150 | 156 ± 50 | < 200 | < 260 |
Notes. The “B” and “R” regions correspond to the outflow annular sectors defined in Sect. 3.2 and shown in Figs. 5 and 6, where the number following the letter “B” or “R” indicates the projected distance to the nucleus in pc. The quoted errors include the statistical uncertainty, but not the flux accuracy uncertainties, which are 5% for CO(1–0), 10% CO(2–1), and 20% CO(4–3) and CO(6–5).
Total area where the CO emission is measured corrected for the inclination of the galaxy (i.e., observed area divided by cos43° for the nucleus and the GMCs and by sin43° for the outflow).
( * ) The CO outflow emission in the annulus sectors closer to the nucleus should be considered as a lower limit since the outflow is likely blended with the broad nuclear CO emission (see Sect. 3.2).
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