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Table 1
Frequencies of the observed transitions and angular size of the beam (FWHP).
| Receiver | Transition | ν | θ beam | |||
| (GHz) | (″) | |||||
|
|
||||||
| APEX/FLASH |
|
337.06099 | 19 | |||
| APEX/APEX-1 |
|
220.39868 | 28 | |||
|
219.56035 | 28 | ||||
| IRAM30-m/EMIR |
|
110.20135 | 22 | |||
|
109.78217 | 22 | ||||
|
112.35898 | 21 | ||||
|
104.71140 | 23 | ||||
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