Open Access
Table A.1
Observation parameters for the analyzed data.
| Project code | 2019.1.01209.S | 2021.1.01420.S | 2021.1.01420.S |
|---|---|---|---|
| Band | 3 | 6 | 6 |
| Array | ALMA 12-m array | ACA 7-m array | ALMA 12-m array |
| Configuration | C43-3 | - | C43-6 |
| Representative frequency (GHz) | 93.17 | 219.55 | 219.55 |
| Number of executions | 3 | 6 | 2 |
| Observation date (YYYY-MM-DD) | 2019-11-02 | 2022-05-18–2022-07-03 | 2022-07-13 |
| Number of antennas | 41–42 | 9–10 | 37–41 |
| Phase center for K04166 (ICRS) | 04h19m42.50s, +27◦13′ 13.38″ | 04h19m42.50s, +27°13′36.10″ | 04h19m42.50s, +27°13′36.10″ |
| Phase center for K04169 (ICRS) | 04h19m58.46s, +27°09′56.90″ | 04h19m58.46s, +27°09′56.90″ | 04h19m58.46s, +27°09′56.90″ |
| HPBW primary beam (arcsec) | 49.7 | 40.8 | 21.6 |
| Mean PWV (mm) | 3.17–3.43 | 0.53 – 1.56 | 0.51, 0.61 |
| Baseline (kλ) | 4 - 151 | 5 - 30 | 10 - 1744 |
| Maximum recoverable size (arcsec) | 17.1 | 21.3 – 30.5 | 2.7 |
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