Table 2.
Frequencies and telescope parameters for the CO transitions used in this work.
| Transition | Frequency (GHz) | Telescope | θ (″) |
|---|---|---|---|
| 12CO J = 1–0 | 115.271 | IRAM | 21.4 |
| PdBI | 4.9 × 3.9 | ||
| OVRO | 10.9 × 7.1 | ||
| SEST | 45 | ||
| ARO | 55 | ||
| 12CO J = 2–1 | 230.538 | IRAM | 10.7 |
| PdBI | 2.6 × 1.4 | ||
| SEST | 23 | ||
| CSO | 31 | ||
| 12CO J = 3–2 | 345.796 | APEX | 17.3 |
| ARO SMT | 22 | ||
| 12CO J = 4–3 | 461.041 | ARO SMT | 16 |
| 12CO J = 5–4 | 576.268 | HIFI | 36.1 |
| 12CO J = 6–5 | 691.473 | HIFI | 30.4 |
| ARO SMT | 11 | ||
| 12CO J = 9–8 | 1036.912 | HIFI | 20.1 |
| 12CO J = 10–9 | 1151.985 | HIFI | 18.2 |
| 12CO J = 14–13 | 1611.794 | HIFI | 12.9 |
| 12CO J = 16–15 | 11841.345 | HIFI | 11.5 |
Notes. IRAM is the 30 m telescope at the Institute de Radioastronomie Millimétrique; PdBI refers to the IRAM Plateau de Bure interferometer (now known as NOEMA); OVRO refers to the millimeter interferometer of the Owens Valley Radio Observatory; SEST is the 15 m Swedish-ESO Sub-millimeter Telescope; ARO refers to the 12 m telescope of the Arizona Radio Observatory; CSO is the 10.4 m Leighton telescope of the Caltech Submilimeter Observatory; ARO SMT is the 10 m Submillimeter Telescope of the Arizona Radio Observatory; APEX refers to the Atacama Pathfinder EXperiment; and HIFI is the Heterodyne Instrument for the Far-Infrared aboard Herschel.
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