Open Access
Table 2.
Radio observation details.
| Project | 19B-080, 21A-025 | 15A-270, 21A-025 | ||||
| Band | S band | L band | ||||
| Freq. range [GHz] | 2–4 | 1–2 | ||||
| Central freq. [GHz] | 3.0 | 1.5 | ||||
| No. channels | 1024 | 1024 | ||||
| Channel width [MHz] | 2 | 1 | ||||
| Configurations | B | C | D | B | C | D |
| Obs. length [h] | 5 | 5 | 5 | 0.5, 4.5 | 5 | 5 |
| Obs. date [dd-mm-yyyy] | 17-09-2021 | 13-06-2021 | 16-11-2019 ( † ) | 22-03-2015 | 20-06-2021 | 21-11-2021 |
| 17-11-2019 ( † ) | 30-11-2021 | 23-11-2021 | ||||
| 19-11-2019 | 24-11-2021 | |||||
| Minimum uv coverage [λ] | 900 | 170 | 190 | 480 | 170 | 120 |
| Largest angular scale [″] | 120 | 970 | 970 | 58 | 490 | 490 |
Notes. The observing length also includes the time on the calibrators. The number of channels and channel width are stated before the averaging in frequency. ( † )During these days, the observation was split into two rounds.
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