Open Access
Table 3
Main parameters of the ALMA observations.
| Date | 2019/6/6 | 2021/9/3 |
|---|---|---|
| Configuration | C43-9/10 | C43-9/10 |
| Antennae | 43 | 47 |
| Baselines (m) | 237–1524 | 122–1619 |
| Flux cal. | J0750+1231 | J0750+1231 |
| Bandpass cal. | J0750+1231 | J0750+1231 |
| Phase cal. | J0613+1708 | J0613+1708 |
| Synthesised beam | 0″.097 | 0″.087 |
| 1σ RMS noise | 50 μJy beam−1 | 30 μJy beam−1 |
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