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Table 5
Column densities (N, cm−2) and excitation temperatures (Texc, K) derived from LTE-MCMC calculations and rotational diagrams for the species detected in clumps A to D.
| Species | Clump A | Clump B | Clump C | Clump D | ||||
|---|---|---|---|---|---|---|---|---|
| N (cm−2) | Texc (K) | N (cm−2) | Texc (K) | N (cm−2) | Texc (K) | N (cm−2) | Texc (K) | |
| SO | (1.5 ± 0.9) × 1013 | 46 ± 7 | (7.9 ± 0.5) × 1013 | 43 ± 14 | (3.1 ± 0.9) × 1013 | 55 ± 21 | (2.9 ± 0.9) × 1013 | 60±14 |
| H13CN | – | – | (4.7 ± 0.7) × 1012 | 40 ± 3 | (1.9 ± 0.2) × 1012 | 31 ± 3 | (2.0 ± 0.2) × 1012 | 28 ± 6 |
| HN13C | – | – | (1.2 ± 0.1)× 1012 | 40 ± 6 | (6.2 ± 0.6) × 1011 | 38 ± 3 | (6.1 ± 0.7) × 1011 | 32±3 |
| H13CO+ | – | – | (5.2 ± 0.7) × 1012 | 14±3 | (3.6 ± 0.5) × 1012 | 10.5 ± 0.4 | (4.9 ± 0.8) × 1012 | 14±3 |
| H2CO | (9.7 ± 0.8) × 1013 | 34±4 | (2 ± 1) × 1014 | 21 ± 5 | (1.4 ± 0.2) × 1014 | 31 ± 5 | (9 ± 2) × 1013 | 33 ± 7 |
| CH3OH | (5.3 ± 0.5) × 1013 | 32±4 | (1.8 ± 0.6) × 1014 | 31 ± 8 | (3.7 ± 0.6) × 1014 | 26 ± 5 | (2.9 ± 0.8) × 1014 | 25 ± 4 |
| CCH | – | – | (4.1 ± 0.6) × 1014 | 33 ± 12 | (2.3 ± 0.4) × 1014 | 43 ± 9 | (2.4 ± 0.4) × 1014 | 46 ± 13 |
| CH3CCH(a) | – | – | (6.8 ± 0.6)× 1014 | 36 ± 1 | (5.4 ± 0.9)× 1014 | 28.9 ± 0.3 | (6 ± 2) × 1014 | 36 ± 4 |
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