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Table 5.
Comparison of models and observations (combined) for the Orion Bar.
| Line | Observed intensity (Wm−2 sr−1) | Model prediction (Wm−2 sr−1) | |
|---|---|---|---|
| 12CO | |||
| J = 4–3 | 3.0 ± 1.0 (−7) | 9.4(−8) | |
| J = 5–4 |
 (−7) |
1.9(−7) | |
| J = 6–5 |
 (−6) |
3.4(−7) | |
| J = 7–6 |
 (−6) |
5.2(−7) | |
| J = 8–7 |
 (−6) |
7.4(−7) | |
| J = 9–8 |
 (−6) |
9.8(−7) | |
| J = 10–9 | 2.5 ± 0.8 (−6) | 1.2(−6) | |
| J = 11–10 |
 (−6) |
1.4(−6) | |
| J = 12–11 | 2.5 ± 0.8 (−6) | 1.5(−6) | |
| J = 13–12 |
 (−6) |
1.4(−6) | |
| J = 14–13 |
 (−6) |
1.3(−6) | |
| J = 15–14 |
 (−6) |
1.1(−6) | |
| J = 16–15 |
 (−6) |
8.4(−7) | |
| J = 17–16 | 1.0 ± 0.2 (−6) | 6.4(−7) | |
| J = 18–17 | 5.0 ± 1.1 (−7) | 4.6(−7) | |
| J = 19–18 | 3.2 ± 0.6 (−7) | 3.3(−7) | |
| J = 20–19 | 2.2 ± 0.5 (−7) | 2.3(−7) | |
| J = 21–20 | 1.0 ± 0.3 (−7) | 1.6(−7) | |
| J = 23–22 | 6.4 ± 2.1 (−8) | 7.6(−8) | |
| 13CO | |||
| J = 5–4 |
 (−6) |
2.2(−8) | |
| J = 6–5 | 2.4 ± 0.8 (−7) | 3.5(−8) | |
| J = 7–6 |
 (−7) |
4.5(−8) | |
| J = 8–7 |
 (−7) |
5.2(−8) | |
| J = 9–8 |
 (−7) |
5.3(−8) | |
| J = 10–9 |
 (−7) |
5.0(−8) | |
| J = 11–10 |
 (−7) |
4.5(−8) | |
| J = 12–11 | 1.9 ± 0.6 (−7) | 3.8(−8) | |
| J = 13–12 | 1.2 ± 0.4 (−7) | 3.2(−8) | |
| J = 15–14 | 3.8 ± 1.1 (−8) | 2.0(−8) | |
| J = 16–15 | 2.0 ± 1.1 (−8) | 1.5(−8) | |
| CH+ | |||
| J = 1–0 | 1.3 ± 0.1 (−7) | 6.2(−8) | |
| J = 2–1 | 1.5 ± 0.2 (−7) | 2.8(−7) | |
| J = 3–2 | 1.2 ± 0.3 (−7) | 2.3(−7) | |
| J = 4–3 | 1.2 ± 0.3 (−7) | 1.8(−7) | |
| J = 5–4 | 1.0 ± 0.4 (−7) | 1.7(−7) | |
| J = 6–5 | 6.8 ± 3.9 (−8) | 1.5(−7) | |
| OH | |||
| 119.4416 µm | 2.8 ± 0.6 (−7) | 6.3(−7) | |
| 119.2345 µm | 2.4 ± 0.5 (−7) | 5.5(−7) | |
| 79.1792 µm | 2.1 ± 0.8 (−7) | 3.8(−7) | |
| 79.171156 µm | 2.4 ± 0.8 (−8) | 4.2(−7) | |
| 163.3962 µm | 5.0 ± 1.1 (−8) | 1.6(−7) | |
| 163.0153 µm | 4.6 ± 1.1 (−8) | 1.9(−7) | |
| 84.5967 µm | 1.1 ± 0.3 (−7) | 3.5(−7) | |
| 84.4203 µm | 1.2 ± 0.4 (−7) | 2.3(−7) | |
| 65.2789 µm | 1.8 ± 2.5 (−8) | 1.1(−7) | |
| 65.1318 µm | 4.6 ± 2.5 (−8) | 2.1(−8) | |
| HD | |||
| 112.07 µm | < 1.4 (−8) | 1.0(−8) | |
| 56.23 µm | 1.1 ± 0.4 (−7) | 4.0(−8) | |
| C+ | |||
| 157.68 µm |
 (−5) |
1.4(−6) | |
| C | |||
| 609.13 µm | 2.9 ± 0.3(−8) | 1.3(−8) | |
| 370.41 µm | 3.8 ± 0.3(−8) | 8.8(−8) | |
| O | |||
| 145.53 µm | 2.1 ± 0.4 (−5) | 5.7(−6) | |
| 63.18 µm |
 (−4) |
1.4(−4) | |
| H2 | |||
| 0–0 S(0) | 9.0 ± 3.0 (−7) | 2.1(−7) | |
| 0–0 S(1) |
 (−6) |
2.0(−6) | |
| 0–0 S(2) |
 (−6) |
2.8(−6) | |
| 0–0 S(3) | 6.0 ± 1.5 (−6) | 1.1(−5) | |
| 0–0 S(4) |
 (−6) |
3.7(−6) | |
| 0–0 S(5) | 6.4 ± 1.0 (−6) | 8.2(−6) | |
| 1–0 S(1) | 4.7 ± 1.1 (−7) | 2.8(−6) | |
| 2–1 S(1) | 1.2 (−7) | 5.6(−8) |
Notes. Values in parentheses are powers of 10.
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