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Table 3
Ranges and lines targeted with the PACS spectrometer.
| Set | Observed range | Species | Transition | Wavelength |
| λ (μm) | (μm) | |||
|
|
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| A | 62.68–63.68 | [O i] | 3P1 → [entity ! #x20!] 3P2 | 63.184 |
| o-H2O | 818 → 707 | 63.324 | ||
| 188.77–190.30 | DCO+ | J = 22–21 | 189.570 | |
|
|
||||
| B | 71.90 –73.05 | o-H2O | 707 → 616 | 71.946 |
| CH+ | J = 5–4 | 72.14 | ||
| CO | J = 36–35 | 72.843 | ||
| 144.0–146.1 | p-H2O | 413 → 322 | 144.518 | |
| CO | J = 18–17 | 144.784 | ||
| [O i] | 3P0 → [ entity ! #x20 ! ] 3P1 | 145.525 | ||
|
|
||||
| C | 78.55–79.45 | o-H2O | 423 → 312 | 78.741 |
| OH | 1/2 - - 3/2 | 79.11 | ||
| OH | 1/2 +- 3/2 | 79.18 | ||
| CO | J = 33–32 | 79.360 | ||
| 157.1–158.9 | [C ii] | 2P3 / 2 → [ entity ! #x20 ! ] 2P1/2 | 157.741 | |
| p-H2O | 331 → 404 | 158.309 | ||
|
|
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| D | 89.45–90.50 | p-H2O | 322 → 211 | 89.988 |
| CH + | J = 4–3 | 90.02 | ||
| CO | J = 29–28 | 90.163 | ||
| 178.9–181.0 | o-H2O | 212 → 101 | 179.527 | |
| CH+ | J = 2–1 | 179.610 | ||
| o-H2O | 221 → 212 | 180.488 | ||
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