Free Access
Table A.1
Transitions of H2CO, H
CO, HDCO, and D2CO observed with APEX SEPIA and the IRAM-30 m telescope.
| Species | Transition | Frequency | Eup | Aij | Telescope |
| [GHz] | [K] | [s-1] | |||
|
|
|||||
| D2CO | 30,3 → 20,2 | 174.413 | 16.8 | 1.44e-04 | APEX |
| HDCO | 31,3 → 21,2 | 185.307 | 25.8 | 1.53e-04 | APEX |
| HDCO | 30,3 → 20,2 | 192.893 | 18.5 | 1.94e-04 | APEX |
| HDCO | 32,2 → 22,1 | 193.392 | 50.4 | 1.09e-04 | APEX |
| HDCO | 32,1 → 22,0 | 193.907 | 50.4 | 1.10e-04 | APEX |
| HCO |
31,3 → 21,2 | 206.131 | 31.6 | 2.11e-04 | APEX |
|
|
|||||
| H2CO | 91,8 → 91,9 | 216.569 | 174.0 | 7.22e-06 | IRAM |
| H2CO | 30,3 → 20,2 | 218.222 | 21.0 | 2.82e-04 | IRAM |
| H2CO | 32,2 → 22,1 | 218.476 | 68.1 | 1.57e-04 | IRAM |
| H2CO | 32,1 → 22,0 | 218.760 | 68.1 | 1.58e-04 | IRAM |
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