Table 1.
Summary of the characteristics of our observations.
| Source | RA | Dec | Observing date | tobs | ton | PWV | Band | Nantennae | Synthesized beam size |
|---|---|---|---|---|---|---|---|---|---|
| SPT0103-45 | 01:03:11 | −45:38:53 | 2017-01-08 | 41 min | 18 min | 4.8 mm | 3 | 44 | 3.11″ × 2.92″ |
| SPT0125-47 | 01:25:07 | −47:23:56 | 2017-01-09 | 26 min | 13 min | 4.2 mm | 4 | 44 | 2.52″ × 1.96″ |
| SPT0125-50 | 01:25:48 | −50:38:21 | 2016-12-29 | 60 min | 33 min | 2.8 mm | 3 | 48 | 2.66″ × 2.37″ |
| SPT0300-46 | 03:00:04 | −46:21:24 | 2017-01-08 | 75 min | 45 min | 5.2 mm | 3 | 41 | 3.44″ × 2.72″ |
| SPT0551-50 | 05:51:39 | −50:58:01 | 2017-01-07 | 86 min | 54 min | 5.5 mm | 3 | 44 | 3.22″ × 2.35″ |
Notes. Each source was observed in a separate ALMA scheduling block (SB). Two similar SBs were used for SPT0551-50, which required a longer integration. The total observing time and the time on source are tobs and ton, respectively. PWV is the average precipitable water vapor level during our observations. The beam size in the table was derived using a natural weighting.
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