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Table 1
Column densities and excitation temperatures derived from rotation diagrams.
| IF position | MP2 position | ||||||||||||
|
|
|
||||||||||||
| 10.5 km s-1 | 12 km s-1 | 8.5 km s-1 | 10 km s-1 | ||||||||||
|
|
|
|
|
||||||||||
| T rot | N | T rot | N | T rot | N | T rot | N | ||||||
| Species | (K) | (1012cm-2) | (K) | (1012cm-2) | (K) | (1012cm s-1) | (K) | (1012cm s-1) | |||||
|
|
|||||||||||||
| C2D | 19a | 3.09 ± 1.09 | ... | ... | 20 |
9.60 |
19a | 3.0 ± 0.490 | |||||
| DCN | 44 |
2.09 |
8 |
0.67 |
12 |
1.40 |
31 |
0.40 |
|||||
| DNC | 45 |
|
45 |
|
12 |
0.46 |
... | ... | |||||
| DCO+ | 19 |
0.111
|
19a | 0.201 ± 0.90 | 31 |
0.27 |
12 |
0.10 |
|||||
| D2CO | 38a | < 23.70 | 38a | < 15.00 | 38a | 2.50 ± 3.760 | 38a | 1.97 ± 3.113 | |||||
| HDCO | 38a | 0.430 ± 0.126 | 38a | 0.745 ± 0.126 | 49 |
2.30 |
38 | 0.32 ± 0.055 | |||||
| NH2D | 19a | 0.389 ± 0.128 | ... | ... | 19a | 0.87 ± 0.129 | 19a | 0.36 ± 0.129 | |||||
| N2D+ | ... | ... | 19a | 0.065 ± 0.012 | 19a | < 0.16 | 19 | < 0.16 | |||||
|
|
|||||||||||||
| C2H | 30 |
158.00 |
8 |
455.00 |
12 |
120.00 |
19 |
213.00 |
|||||
| H13CN | 14 |
2.0 |
6 |
0.4015 |
7 |
1.00 |
8 |
2.50 |
|||||
| HC15N | 22 |
0.38 |
19a | 0.330 ± 0.042 | 9 |
0.45 |
12 |
0.17 |
|||||
| HN13C | 19a | 0.176 ± 0.017 | 19a | 0.396 ± 0.057 | 12 |
0.43 |
6 |
0.12 |
|||||
| H15NC | 19a | 0.057 ± 0.041 | 19a | 0.177 ± 0.058 | 13 |
0.15 |
... | ... | |||||
| H13CO+ | 16 |
0.96 |
25 |
0.14 |
12 |
1.49 |
9 |
0.31 |
|||||
| HC18O+ | 16 |
0.129 |
... | ... | 13 |
0.12 |
... | ... | |||||
| H2CO | 55 |
67.1 |
... | ... | 44 |
46.15 |
39 |
31.99 |
|||||
| H213CO | 38a | < 3.10 | 38a | < 2.84 | 38a | 2.74 ± 02.983 | ... | ... | |||||
| N2H+ | ... | ... | 19a | 4.28 ± 0.046 | 19a | 3.29 ± 0.054 | ... | ... | |||||
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