Table 1
Log of observations, image parameters, and model fit results.
| Epoch | EVN data | e-MERLIN data | ||||||||
| Date in | HPBW | Ipeak | Inoise | S5.0,JMFIT | HPBW | Ipeak | Inoise | S5.0,JMFIT | ΔS5.0 | |
| 2016 | MJD | (mas × mas, °) | (μJy beam-1) | (μJy) | (mas × mas, °) | (μJy beam-1) | (μJy) | (μJy) | ||
| (1) | (2) | (3) | (4) | (5) | (6) | (7) | (8) | (9) | (10) | (11) |
|
|
||||||||||
| March 16 | 57 463.8 | 10.1 × 6.2,3.9 | 123 | 18 | 125 ± 22 | ... | ... | ... | ... | |
| May 10 | 57 518.6 | 9.7 × 6.1,8.7 | 113 | 14 | 137 ± 20 | 261 × 25,12 | 169 | 55 | 176 ± 58 | 40 ± 60 |
| May 31 | 57 539.6 | 10.9 × 6.1,−7.5 | 107 | 16 | 117 ± 20 | 231 × 27,11 | 145 | 48 | 158 ± 51 | 40 ± 55 |
| June 2 | 57 541.6 | 9.3 × 5.3,1.3 | 133 | 20 | 125 ± 32 | 212 × 28,10 | 246 | 52 | 264 ± 59 | 140 ± 70 |
Notes. Columns 1, 2: observation date; Cols. 3−6: EVN half-peak beam width (HPBW), naturally weighted image peak brightness and 1σ noise level, and results of a 2d Gaussian fit to the image brightness distribution; Cols. 7−10: same as Cols. 3−6, for e-MERLIN data; Col. 11: flux density difference between e-MERLIN and EVN data.
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