Table 1.
OH lines detected towards W Hya and R Dor.
| ν | v, NJ | F′−F″ | ∫Fνdν | Eu/k | Aul |
|---|---|---|---|---|---|
| (MHz) | (10−22 W m−2) | (K) | (10−7 s−1) | ||
| W Hya LR (SR) | |||||
| 130078 (0.1) |  |
13− − 13+ | 8.0 ± 1.5 (2.9 ± 0.8) | 4818 | 2.82 |
| 130114 (0.1) |  |
12− − 12+ | 7.0 ± 1.5 (3.2 ± 0.8) | 4818 | 2.82 |
| 130639 (0.2) |  |
10+ − 10− | 10 ± 1.5 (3.6 ± 0.8) | 7930 | 8.55 |
| 130655 (0.2) |  |
11+ − 11− | 7.5 ± 2.5 (2.3 ± 0.8) | 7930 | 8.55 |
| 265734 (0.8) |  |
18+ − 18− | 14 ± 2 (–) | 8860 | 13.8 |
| 265765 (0.8) |  |
17+ − 17− | 10 ± 3 (–) | 8860 | 13.8 |
| 333394 (2.0) |  |
17− − 17+ | 20 ± 7 (7.0 ± 2.0) | 12756 | 47.2 |
| 333412 (2.0) |  |
18− − 18+ | 24 ± 7 (8.3 ± 2.0) | 12756 | 47.2 |
| R Dor | |||||
| 107037 (0.06) |  |
12+ − 12− | 1.85 ± 0.17 | 4149 | 1.79 |
| 107073 (0.06) |  |
11+ − 11− | 1.1 ± 0.4 | 4149 | 1.79 |
| 130078 (0.1) |  |
13− − 13+ | < 5 | 4818 | 2.82 |
| 130114 (0.1) |  |
12− − 12+ | < 5 | 4818 | 2.82 |
| 252127 (0.4) |  |
14+ − 14− | 30.8 ± 1.1 | 5495 | 30.33 |
| 252145 (0.4) |  |
15+ − 15− | 34.5 ± 1.5 | 5495 | 30.34 |
| 317397 (0.9) |  |
16+ − 16− | 64 ± 10 | 7072 | 45.87 |
| 317415 (0.9) |  |
17+ − 17− | 67 ± 10 | 7072 | 45.87 |
| 351593 (1.2) |  |
17− − 17+ | 72 ± 10 | 7928 | 55.0 |
| 351612 (1.2) |  |
18− − 18+ | 92 ± 20 | 7928 | 55.0 |
Notes. In the second and third columns, we indicate the transitions specifying the quantum numbers described in the text and the positive or negative parity of the energy levels involved. We also give the predicted line frequency (ν) with corresponding uncertainty (obtained from the JPL database, see text), the excitation energy of the upper level of the transition (Eu/k, where k is the Boltzmann constant) and the integrated line flux (∫Fνdν) with corresponding uncertainty. We also list the Einstein-A coefficient of the transitions (Aul, calculated from the line strengths given in the JPL database). The line fluxes for W Hya are given for the large (LR) and small (SR) regions (see text).
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