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Table 2
Results of the rotation and population diagram analysis for molecules with multiple transitions.
| Species | Trot | Ntot | Tex | Ntot,1 | Source size | Optical depthc |
| (K) | (cm-2) | (K) | (cm-2) | (′′) | ||
|
|
||||||
| SO2b | 170 ± 23 | (3.1 ± 0.02) × 1016 | 118 ± 7 |
|
|
0.1–9.3 |
| 33SO2 | 105 ± 18 | (1.3 ± 0.01) × 1015 | 95 |
|
1.0 ± 0.0 | 0.8–5.3 |
| 34SO2 | 140 ± 9 | (4.0 ± 0.02) × 1015 | 133 ± 11 |
|
|
0.01–0.2 |
| SO2, v2 = 1 | 146 ± 26 | (1.9 ± 0.06) × 1017 | 143 |
|
|
0.001–0.004 |
| CH3OHb | 75 ± 5 | (7.7 ± 0.04) × 1015 |
|
|
|
0.14–2.69 |
| H2COb | 213 ± 96 | (8.6 ± 0.09) × 1014 |
|
|
|
0.10–1.50 |
| HNCO | 61 ± 20 | (4.9 ± 0.2) × 1014 |
|
|
|
0.01–0.05 |
| H2CS | 196 ± 85 | (1.6 ± 0.02) × 1014 |
|
|
|
0.001–0.005 |
| CH3CN | 70 ± 30 | (1.1 ± 0.1) × 1013 |
|
|
|
0.16–0.27 |
| 34SO | 31 ± 3 | (5.9 ± 0.04) × 1014 |
|
|
|
0.01–0.22 |
| SO18O | 196 ± 26 | (8.4 ± 0.05) × 1014 |
|
|
|
0.20–0.70 |
| CH3CCH | 31 ± 7 | (2.8 ± 0.1) × 1016 | 32 ± 7 |
|
|
0.01–0.03 |
| HC3N | 101 ± 39 | (4.7 ± 0.2) × 1013 | 101a |
|
|
0.004–0.006 |
| OCS | 92 ± 46 | (1.6 ± 0.08) × 1015 | 92a |
|
|
0.008–0.010 |
Notes.
(b)
Transitions in the frequency range between 360 and 373 GHz were included in Nagy et al. (2012).
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