Table 1.
ALMA/ACA observation details of our sample.
| Source | Target | Observed | Observation | Time on source | PWV | σchannel | Resolution |
|---|---|---|---|---|---|---|---|
| line | frequency (GHz) | date(s) | (min) | (mm) | (mJy) | “×” | |
| SPT0002-52 | [CI](1–0) | 146.87 | 29/10/2019 | 17 | 0.5 | 2.4 | 12.6 × 8.8 |
| [CI](2–1) | 241.52 | 08/10/2019 | 8 | 0.9 | 4.4 | 7.3 × 4.9 | |
| SPT0020-51 | [CI](2–1) | 157.98 | 13/10/2019 | 18 | 1.8 | 2.8 | 11.1 × 7.6 |
| SPT0113-46 | [CI](2—1) | 154.66 | 13/10/2019 | 49 | 1.6 | 1.7 | 11.3 × 7.4 |
| SPT0125-50 | [CI](2–1) | 163.27 | 09/11/2019 | 24 | 1.4 | 2.4 | 11.5 × 6.9 |
| SPT0136-63 | [CI](2–1) | 152.73 | 15/11/2019 | 29 | 2.0 | 2.0 | 12.5 × 7.7 |
| SPT0150-59 ( * ) | [CI](1–0) | 129.93 | 03/11/2019 | 28 | 4.8 | 2.4 | 12.8 × 10.2 |
| [CI](2–1) | 213.66 | 12/10/2019 | 20 | 2.1 | 3.7 | 9.1 × 5.6 | |
| SPT0155-62 | [CI](2-1) | 151.31 | 01/11/2019 | 19 | 2.0 | 3.4 | 11.1 × 8.8 |
| SPT0319-47 | [CI](2–1) | 146.89 | 31/10/2019 | 17 | 3.4 | 3.6 | 10.4 × 8.9 |
| SPT0345-47 | [CI](2–1) | 152.82 | 02/11/2019 | 17 | 0.01 | 3.3 | 10.3 × 8.5 |
| SPT0418-47 | [CI](2-1) | 154.9 | 31/10/2019 | 17 | 3.5 | 3.7 | 10.1 × 8.6 |
| SPT0441-46 | [CI](2–1) | 147.77 | 31/10/2019 | 17 | 3.4 | 3.1 | 10.6 × 8.7 |
| SPT0459-59 | [CI](2–1) | 139.57 | 02/11/2019 | 24 | 3.2 | 2.5 | 12.0 × 10.1 |
| SPT0512-59 | [CI](1–0) | 152.23 | 31/10/2019 | 18 | 3.5 | 3.1 | 10.2 × 9.8 |
| [CI](2–1) | 250.34 | 13/11/2019 | 21 | 1.6 | 6.0 | 6.5 × 5.6 | |
| SPT0544-40 | [CI](2–1) | 153.6 | 13/10/2019 | 17 | 0.01 | 3.6 | 12.6 × 7.6 |
| SPT0551-48 ( * ) | [CI](1–0) | 137.36 | 01/10/2019 | 17 | 3.0 | 2.4 | 13.4 × 8.2 |
| [CI](2–1) | 225.88 | 03/10/2019 | 18 | 1.4 | 3.4 | 9.0 × 4.9 | |
| SPT0552-42 | [CI](2–1) | 148.86 | 01/10/2019 | 38 | 2.6 | 2.0 | 11.9 × 8.0 |
| SPT0604-64 | [CI](1–0) | 141.38 | 01/10/2019 | 19 | 2.9 | 2.9 | 12.8 × 9.8 |
| [CI](2–1) | 232.5 | 10/11/2019 | 21 | 1.6 | 4.2 | 7.3 × 6.0 | |
| SPT2037-65 | [CI](2–1) | 161.87 | 01/10/2019 | 17 | 1.6 | 3.0 | 9.5 × 8.6 |
| SPT2048-55 (a, *) | [CI](2–1) | 159.01 | 13/10/2019 | 29 | 3.0 | 1.6 | 11.6 × 7.6 |
| [CI](2–1) | 13/10/2019 | 29 | 2.8 | ||||
| [CI](2–1) | 17/11/2019 | 29 | 3.4 | ||||
| SPT2103-60 | [CI](2–1) | 148.89 | 02/10/2019 | 18 | 2.5 | 3.4 | 12.2 × 9.6 |
| SPT2132-58 ( * ) | [CI](2–1) | 140.32 | 12/10/2019 | 21 | 2.1 | 1.8 | 12.9 × 9.0 |
| SPT2134-50 ( * ) | [CI](1–0) | 130.2 | 02/11/2019 | 26 | 5.4 | 3.1 | 12.9 × 10.2 |
| [CI](2–1) | 214.11 | 04/10/2019 | 18 | 1.6 | 3.4 | 7.7 × 5.6 | |
| SPT2146-55 | [CI](2–1) | 145.38 | 13/10/2019 | 21 | 2.0 | 1.9 | 11.8 × 8.7 |
| SPT2147-50 | [CI](2–1) | 170.03 | 01/10/2019 | 28 | 1.4 | 2.3 | 9.6 × 7.0 |
| SPT2311-54 | [CI](2-1) | 153.28 | 30/10/2019 | 19 | 0.8 | 2.8 | 10.3 × 8.9 |
| SPT2335-53 | [CI](2–1) | 140.58 | 13/10/2019 | 26 | 1.8 | 1.6 | 12.1 × 8.2 |
| SPT2349-50 | [CI](1–0) | 126.94 | 31/10/2019 | 29 | 3.9 | 2.6 | 13.2 × 9.5 |
| [CI](2–1) | 208.75 | 29/10/2019 | 20 | 0.7 | 3.8 | 9.5 × 5.9 | |
| SPT2349-56 ( * , † ) | [CI](1–0) | 152.59 | 30/10/2019 | 41 | 3.7 | 1.7 | 11.7 × 8.2 |
| SPT2354-58 | [CI](1–0) | 171.66 | 23/10/2019 | 27 | 1.1 | 1.9 | 9.6 × 7.4 |
| [CI](2–1) | 282.3 | 11/10/2019 | 35 | 1.1 | 3.1 | 5.8 × 4.1 |
Notes. Some of our sources were observed for both [CI] transitions, and thus have multiple observation dates. The precipitable water vapour (PWV) during the observation is given in mm. The channel sensitivity is the mean computed over every channel for a corresponding channel width of 0.031 GHz. The line resolution of the source is given in terms of the major axis × minor axis. ( † )Protocluster candidate ( * )The sources for which the sensitivity is computed in a channel width of 0.063 GHz.
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