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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 1.80×1.10 262 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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