Table 1
The HO2 and SO2 lines detected in the same setups.
| Line | Frequency | Quantum numbers | Aul | Eu | gu |  dv |
Δv | vlsr | ||
| (GHz) | Rotation | Ju → Jl | Fu → Fl | (s-1) | (K) | (mK s-1) | (km s-1) | (km s-1) | ||
|
|
||||||||||
| 1 | 130.26007 | 20,2 → 10,1 | 5/2 → 3/2 | 3 → 2 | 2.07 × 10-5 | 9.4 | 7 | 74 ± 7 | 0.66 ± 0.07 | 4.6 ± 0.1 |
| 2 | 130.25813 | 20,2 → 10,1 | 5/2 → 3/2 | 2 → 1 | 1.85 × 10-5 | 9.4 | 5 | 54 ± 8 | 0.65 ± 0.11 | 4.6 ± 0.1 |
| 3 | 130.46741 | 20,2 → 10,1 | 3/2 → 1/2 | 2 → 1 | 1.76 × 10-5 | 9.4 | 5 | 45 ± 4 | 0.54 ± 0.06 | 3.0 ± 0.1 |
| 130.46368 | 20,2 → 10,1 | 3/2 → 1/2 | 1 → 0 | 1.16 × 10-5 | 9.4 | 3 | <26 | |||
|
|
||||||||||
| 4a | 260.56614 | 40,4 → 30,3 | 9/2 → 7/2 | 5 → 4 | 1.86 × 10-4 | 31.3 | 11 | } 115 ± 14 | } 0.88 ± 0.13 | – |
| 4b | 260.56566 | 40,4 → 30,3 | 9/2 → 7/2 | 4 → 3 | 1.81 × 10-4 | 31.3 | 9 | |||
| 5a | 260.77030 | 40,4 → 30,3 | 7/2 → 5/2 | 4 → 3 | 1.80 × 10-4 | 31.3 | 9 | } 61 ± 13 | } 0.91 ± 0.24 | – |
| 5b | 260.76967 | 40,4 → 30,3 | 7/2 → 5/2 | 3 → 2 | 1.72 × 10-4 | 31.3 | 7 | |||
|
|
||||||||||
| SO2 | 129.51481 | 102,8 → 101,9 | 199 ± 6 | 0.64 ± 0.02 | 3.8 ± 0.1 | |||||
| SO2 | 131.01486 | 121,11 → 120,12 | 168 ± 5 | 0.68 ± 0.03 | 3.7 ± 0.1 | |||||
Notes. For lines 1 to 3 and SO2, the frequencies are those measured in the laboratory and tabulated in the JPL database. The vlsr of the lines are therefore computed based on these frequencies. The hyperfine structure frequencies of lines 4 and 5 were computed from the energies tabulated in the JPL database (http://spec.jpl.nasa.gov/ftp/pub/catalog/archive/c033001.egy). Uncertainties on fluxes, linewidths and vlsr are 1σ. The upper limit on the F = 1 → 0 line is the flux of the bump at the expected frequency (see Fig. 2).
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