Open Access
Table 1
Observing parameters.
| Transition | Date | Synthesized beam | 1σrms |
|---|---|---|---|
| 2019 | (a × b; PA) | ||
| (MHz) | (day month) | (mas×mas; °) | (mJy beam−1) |
| VLBA | |||
| 6668.519 | 27 Sep. | 2.7×1.3; +2 | 5.5 |
| 12 178.597 | (DOY: 270) | 1.9×0.7; −18 | 9.0 |
| 22235.08 | 0.9×0.4; −9 | 16 | |
| 6668.519 | 27 Oct. | 6.5×2.1; −13 | 4.8 |
| 12178.597 | (DOY: 300) | 2.1×0.6; −20 | 7.4 |
| 22235.08 | 2.4×0.9; −14 | 7.1 | |
| 6668.519 | 2 Dec. | 5.2×1.3; −19 | 3.9 |
| 12178.597 | (DOY: 336) | 2.4×0.8; −21 | 9.8 |
| 22235.08 | 3.8×1.3; +23 | 7.2 | |
| LBA | |||
| 6668.519 | 28 Sep. | 8.0×6.6; −5 | 12 |
| (DOY: 271) | |||
| EVN | |||
| 6668.519 | 7 Oct. | 16.3×6.2; +7 | 3.4 |
| (DOY: 280) |
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