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Table 1.
Observation information and image parameters.
| Parameters | L band | S band | C band |
|---|---|---|---|
| Observing date (in 2021) | Dec. 06 | Dec. 07 | Dec. 21 |
| Total observing time (h) | 2.75 | 4 | 2.75 |
| Central frequency (GHz) | 1.73 | 2.26 | 4.87 |
| Total bandwidth (MHz) | 256 | 256 | 512 |
| Synthesis beam (mas) | 11.73 × 5.19 | 9.46 × 5.10 | 10.91 × 4.46 |
| Image rms noise level (mJy beam−1) | 0.11 | 0.12 | 0.42 |
| Peak flux density (mJy beam−1) | 6.77 | 6.85 | 6.40 |
| Integrated flux density (mJy) | 8.35 ± 0.09 | 7.47 ± 0.08 | 6.57 ± 0.02 |
| Size (mas) | 3.276 ± 0.043 | 1.626 ± 0.068 | 0.905 ± 0.006 |
| Brightness temperature (109 K) | 2.0 | 4.4 | 2.7 |
Notes. Natural weighting is used in all the images.
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