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Table 2
Observing strategy for Herschel spectroscopy.
| Line | Target | Instrument | Observing mode | Band | Beam size |
| (FWHM or spaxel witdth) | |||||
|
|
|||||
| [CII] 158 μm | 105-600 | HIFI – HRS | Dual beam switch | 7b (1795.2–1902.8 GHzor 158–177 μm) | 11.3′′ |
| HST10 | Load chop | ||||
| 244-440 | Load chop | ||||
|
|
|||||
| CO (7-6) | 105-600 | HIFI – HRS | Dual beam switch | 3a (807.1–851.9 GHzor 352–372 μm) | 28.4′′ |
| HST10 | Frequency switch | ||||
| 244-440 | Frequency switch | ||||
|
|
|||||
| CO (10-9) | 105-600 | HIFI – HRS | Frequency switch | 5a (1116.2–1240.8 GHzor 242–269 μm) | 18.6′′ |
| HST10 | |||||
| 244-440 | |||||
|
|
|||||
| CO (15-14), (17-16), (19-18) | 105-600 | PACS | Chopping nodding | 51–73 μm and103–220 μm | 9.4′′ |
| HST10 | Unchopped grating scan | ||||
| 244-440 | Unchopped grating scan | ||||
|
|
|||||
| [OI] 63 μm | 105-600 | PACS | Chopping nodding | 51–73 μm and103–220 μm | 9.4′′ |
| HST10 | Unchopped grating scan | ||||
| 244-440 | Unchopped grating scan | ||||
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