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Table 1.
Details of VLBA observations and beam sizes for the images shown in Fig. 1.
| Project | Date | ν | Beam |
|---|---|---|---|
| code | [GHz] | [mas × mas, ° ] | |
| BW088A | 2007–01–27 | 43.15 | 0.41 × 0.20, −10.7 |
| BW088G | 2007–05–10 | 43.15 | 0.46 × 0.21, −16.6 |
| BG251A | 2017–05–05 | 43.15 | 0.41 × 0.24, 0.2 |
| BG250A (a) | 2018–04–28 | 43.15 | 0.39 × 0.21, −1.8 |
| BG250AK (b) | 2018–04–28 | 23.75 | 0.76 × 0.42, −9.8 |
| BG250B1 (c) | 2018–05–25 | 43.15 | 0.38 × 0.17, −9.6 |
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