Table 2
Epochs of the observations and detected H2O maser spot numbers of the 15 VLBA observations.
| Epoch | Obs. date | Beam(mas) | PA | Ns | Nf | Jet/wind |
|---|---|---|---|---|---|---|
| (1) | (2) | (3) | (4) | (5) | (6) | (7) |
| E2 | Mar. 25 2015 | 1.80×1.10 | 8° | 262 | 35 | 0.535 |
| E3 | Apr. 19 2015 | 2.01×1.20 | 22° | 264 | 28 | 0.581 |
| E4 | May 08 2015 | 1.65×1.13 | 42° | 252 | 27 | 0.605 |
| E5 | Aug. 19 2015 | 1.72×0.81 | −1° | 169 | 24 | 0.598 |
| E6 | Sep. 07 2015 | 2.65×1.12 | −5° | 185 | 21 | 0.603 |
| E7 | Sep. 18 2015 | 2.14×1.00 | −3° | 208 | 23 | 0.613 |
| E8 | Oct. 01 2015 | 1.67×1.02 | −1° | 234 | 28 | 0.606 |
| E9 | Oct. 12 2015 | 1.70×0.73 | −7° | 215 | 27 | 0.598 |
| E10 | Oct. 26 2015 | 1.74×0.68 | −8° | 227 | 27 | 0.587 |
| E11 | Nov. 05 2015 | 1.83×1.09 | 20° | 255 | 31 | 0.577 |
| E12 | Nov. 17 2015 | 1.72×1.06 | 13° | 230 | 30 | 0.579 |
| E13 | Feb. 18 2016 | 2.44×0.60 | −13° | 251 | 25 | 0.583 |
| E14 | Mar. 15 2016 | 1.67×1.00 | 25° | 234 | 24 | 0.589 |
| E15 | Apr. 11 2016 | 1.49×0.75 | −8° | 253 | 25 | 0.594 |
| E16 | May 07 2016 | 2.41×0.86 | −12° | 209 | 24 | 0.599 |
Notes. Column 1: epoch name. Column 2: observing dates. Columns 3 and 4: the size and PA of the beam. Columns 5 and 6: the total number of maser spots and features detected. Column 7: the ratio between the total flux of the maser spots associated with the dense jet, namely maser spots in MC-1 and MC-2 (see Fig. 7), and the total flux of the ones in the blue lobe (see the right panel of Fig. 6).
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