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Table 2.
Observed data for the Orion Bar and dilution factor Ω.
| Line | Integrated intensity [Wm−2 sr−1] | ||||||
|---|---|---|---|---|---|---|---|
| Species | Transition | Position | SPIRE | HIFI | PACS | Others | Ω |
| 12CO | |||||||
| J = 4–3 | 461.041 GHz | 1.5 ± 0.5 (−8) | – | – | – | 0.05 | |
| J = 5–4 | 576.268 GHz | 3.7 ± 1.1 (−8) | 7.0 ± 0.6 (−8) | – | – | 0.07 | |
| J = 6–5 | 691.473 GHz | 7.2 ± 2.2 (−8) | 1.2 ± 0.1 (−7) | – | – | 0.08 | |
| J = 7–6 | 806.652 GHz | 1.5 ± 0.5 (−7) | 1.8 ± 0.2 (−7) | – | – | 0.10 | |
| J = 8–7 | 921.800 GHz | 1.7 ± 0.5 (−7) | 2.7 ± 0.3 (−7) | – | – | 0.11 | |
| J = 9–8 | 1036.912 GHz | 3.1 ± 0.9 (−7) | 3.3 ± 0.3 (−7) | – | – | 0.12 | |
| J = 10–9 | 1151.985 GHz | 3.6 ± 1.1 (−7) | 3.5 ± 0.5 (−7) | – | – | 0.14 | |
| J = 11–10 | 1267.014 GHz | 4.1 ± 1.2 (−7) | 4.4 ± 0.6 (−7) | – | – | 0.15 | |
| J = 12–11 | 1381.995 GHz | 4.2 ± 1.3 (−7) | – | – | – | 0.17 | |
| J = 13–12 | 1496.923 GHz | 3.9 ± 1.2 (−7) | 4.8 ± 0.7 (−7) | – | – | 0.18 | |
| J = 14–13 | 1611.793 GHz | – | 5.1 ± 0.7 (−7) | 4.3 ± 0.9 (−7) | – | 0.20 | |
| J = 15–14 | 1726.603 GHz | – | 5.1 ± 0.7 (−7) | 4.4 ± 0.9 (−7) | – | 0.21 | |
| J = 16–15 | 1841.345 GHz | – | 3.3 ± 0.5 (−7) | 3.7 ± 0.7 (−7) | – | 0.23 | |
| J = 17–16 | 1956.018 GHz | – | – | 2.8 ± 0.6 (−7) | – | 0.28 | |
| J = 18–17 | 2070.616 GHz | – | – | 1.4 ± 0.3 (−7) | – | 0.28 | |
| J = 19–18 | 2185.135 GHz | – | – | 9.1 ± 1.8 (−8) | 1.1 ± 0.2 (−7)a | 0.28 | |
| J = 20–19 | 2299.570 GHz | – | – | 6.2 ± 1.3 (−8) | – | 0.28 | |
| J = 21–20 | 2413.917 GHz | – | – | 2.8 ± 0.7 (−8) | – | 0.28 | |
| J = 23–22 | 2642.330 GHz | – | – | 1.8 ± 0.6 (−8) | – | 0.28 | |
| 13CO | |||||||
| J = 5–4 | 550.926 GHz | 7.5 ± 2.2 (−9) | *1.5 ± 0.1 (−8) | – | – | 0.07 | |
| J = 6–5 | 661.067 GHz | 1.9 ± 0.6 (−8) | – | – | – | 0.08 | |
| J = 7–6 | 771.184 GHz | 3.3 ± 1.0 (−8) | 4.0 ± 0.4 (−8) | – | – | 0.09 | |
| J = 8–7 | 881.273 GHz | 4.2 ± 1.3 (−8) | 4.8 ± 0.5 (−8) | – | – | 0.11 | |
| J = 9–8 | 991.329 GHz | 5.1 ± 1.5 (−8) | 4.9 ± 0.5 (−8) | – | – | 0.12 | |
| J = 10–9 | 1101.350 GHz | 4.3 ± 1.3 (−8) | 5.6 ± 0.6 (−8) | – | – | 0.13 | |
| J = 11–10 | 1211.330 GHz | 4.0 ± 1.2 (−8) | 4.6 ± 0.6 (−8) | – | – | 0.15 | |
| J = 12–11 | 1321.265 GHz | 3.1 ± 0.9 (−8) | – | – | – | 0.16 | |
| J = 13–12 | 1431.153 GHz | 2.0 ± 0.6 (−8) | – | – | – | 0.17 | |
| J = 15–14 | 1650.767 GHz | – | 7.6 ± 2.2 (−9) | – | 0.20 | ||
| J = 16–15 | 1760.486 GHz | – | – | 4.4 ± 2.5 (−9) | – | 0.22 | |
| CH+ | |||||||
| J = 1–0 | 835.137 GHz | – | 1.30 ± 0.13 (−8) | – | – | 0.10 | |
| J = 2–1 | 1669.281 GHz | – | 4.32 ± 0.60 (−8) | – | – | 0.28 | |
| J = 3–2 | 2501.440 GHz | – | – | 3.4 ± 0.8 (−8) | – | 0.28 | |
| J = 4–3 | 3330.630 GHz | – | – | 3.3 ± 0.8 (−8) | – | 0.28 | |
| J = 5–4 | 4155.872 GHz | – | – | 2.8 ± 1.0 (−8) | – | 0.28 | |
| J = 6–5 | 4976.201 GHz | – | – | 1.9 ± 1.1 (−8) | – | 0.28 | |
| OH | |||||||
| 2Π3/2J = 5/2+ − 3/2− | 119.4416 µm | – | – | 7.8 ± 1.6 (−8) | – | 0.28 | |
| 2Π3/2J = 5/2− − 3/2+ | 119.2345 µm | – | – | 6.6 ± 1.4 (−8) | – | 0.28 | |
| 2Π1/2 −2 Π3/2J = 1/2+ − 3/2− | 79.1792 µm | – | – | 6.0 ± 2.2 (−8) | – | 0.28 | |
| 2Π1/2 −2 Π3/2J = 1/2− − 3/2+ | 79.1712 µm | – | – | 6.6 ± 2.3 (−8) | – | 0.28 | |
| 2Π1/2J = 3/2− − 1/2+ | 163.3962 µm | – | – | 1.4 ± 0.3 (−8) | – | 0.28 | |
| 2Π1/2J = 3/2+ − 1/2− | 163.0153 µm | – | – | 1.3 ± 0.3 (−8) | – | 0.28 | |
| 2Π3/2J = 7/2− − 5/2+ | 84.5967 µm | – | – | 3.1 ± 0.9 (−8) | – | 0.28 | |
| 2Π3/2J = 7/2+ − 5/2− | 84.4203 µm | – | – | 3.4 ± 1.0 (−8) | – | 0.28 | |
| 2Π3/2J = 9/2+ − 7/2− | 65.2789 µm | – | – | 0.5 ± 0.7 (−8) | – | 0.28 | |
| 2Π3/2J = 9/2− − 7/2+ | 65.1318 µm | – | – | 1.3 ± 0.7 (−8) | – | 0.28 | |
| HD | |||||||
| J = 1–0 | 112.07 µm | – | – | 0 ± 4.0 (−9) | – | 0.28 | |
| J = 2–1 | 56.23 µm | – | – | 3.1 ± 1.1 (−8) | – | 0.28 | |
| C+ | |||||||
| 2P3/2–2P1/2 | 157.68 µm | – | 5.5 ± 0.8 (−6) | – | 7.5 ± 1.5 (−6)b | 0.28 | |
| C | |||||||
| 3P1–3P0 | 492.161 GHz | – | 2.9 ± 0.3(−9) | – | – | 0.10 | |
| 3P2–3P1 | 809.342 GHz | – | 2.3 ± 0.2(−9) | – | – | 0.06 | |
| O | |||||||
| 3P0–3P1 | 145.53 µm | – | – | – | 6.0 ± 1.2 (−6)b | 0.28 | |
| 3P1– 3P2 | 63.18 µm | – | – | 5.4 ± 1.1 (−5) | 5.0 ± 1.0 (−5) | 0.28 | |
| H2 | ISO SWSc | IRTFd | CFHTe | ||||
| 0–0 S(0) | 28.22 µm | 0.9 ± 0.3 (−7) | – | – | 0.10 | ||
| 0–0 S(1) | 17.03 µm | 6.5 ± 1.3 (−7) | 8.5 ± 0.3 (−7) | – | 0.10 | ||
| 0–0 S(2) | 12.28 µm | 3.7 ± 0.9 (−7) | 6.8 ± 0.2 (−7) | – | 0.10 | ||
| 0–0 S(3) | 9.66 µm | 6.0 ± 1.5 (−7) | – | – | 0.10 | ||
| 0–0 S(4) | 8.02 µm | 2.8 ± 0.7 (−7) | 4.1 ± 0.2 (−7) | – | 0.10 | ||
| 0–0 S(5) | 6.91 µm | 6.4 ± 1 (−7) | – | – | 0.10 | ||
| 1–0 S(1) | 2.12 µm | – | 5.8 (−7) | 3.6(−7)f | 1 | ||
| 2–1 S(1) | 2.25 µm | – | 1.2 (−7) | 1 | |||
Notes. The reported intensities have not been corrected for beam dilution.
References.
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