Table 2.
Summary of the lines targeted as part of the IRAM 30 m observing program.
| Band | Line | νrest | Beam size | ⟨rms⟩ | On-source time | ⟨Tsys⟩ | ⟨pwv⟩ | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| [GHz] | [″] | [pc] | [mK] | [h] | [K] | [mm] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| (1) | (1) | (2) | (3) | (4) | (5) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| E0 (3 mm) | 12CO(1–0) | 115.271 | 25.6 | 830 | 13.7 | 65.4 | 217 | 4.6 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 13CO(1–0) | 110.201 | 26.8 | 860 | 7.4 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| C18O(1–0) | 109.782 | 26.9 | 870 | 7.3 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| E2 (1.3 mm) | 12CO(2–1) | 230.538 | 12.8 | 410 | 21.8 | 37.4 | 211 | 1.1 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Notes. Several observational parameters and key characteristics of the extracted data products are included. (1) Beam size of the final data cube after reduction. (2) Average rms measured for a 4 km s−1 channel width. (3) Total on-source time, including only the subset of data finally used to generate the cubes after reduction. The scanning speed was 8″ s−1. While we simultaneously observed bands E0 and E2 to target the J = 1 → 0 and J = 2 → 1 transitions, the on-source time for the 12CO(2–1) is shorter because we also dedicated time to target the J = 2 → 1 transitions of 13CO and C18O, which required another tuning. However, we do not detect any (2–1) emission of these CO isotopologues in the 1 mm regime. (4) Average system temperature (for a subset of data used for the final cube). (5) Average precipitable water vapor (pwv) during observations (for a subset of data used for the final cube).
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