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Table 1
Frequencies of the brightest CO-H2 targeted lines.
| Transition | Frequency (MHz) | |
|
|
||
| CO-paraH2 | (1, 1, 0)–(0, 0, 0) | 108 480.857 |
| (1, 1, 1)–(1, 0, 1) | 91 012.364 | |
| CO-orthoH2 | (2, f, 2)–(1, f, 1) | 101 907.919 |
| (3, e, 2)–(2, e, 1) | 93 433.726 | |
| CO-orthoD2 | (1, 1, 0)–(0, 0, 0 ) | 102 791.612 |
| (1, 1, 1)–(1, 0, 1) | 89 483.510 | |
| CO-HD | (1, 1, 0)–(0, 0, 0) | 105 636 |
Notes. The uncertainty in the frequency measurements is about 50 kHz for all the transitions, except for CO-HD with a few tens of MHz. The labelling of the quantum numbers of the transitions are explained in detail in Fig. 1.
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