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Table 1

Proper motions and radial velocities of knots in the FS Tau B outflow.

Knot Distance(a) Vtan PA Vr
(arcsec) (km s−1) (arcsec yr−1) (deg) (km s−1)
B 31.5 395 ± 30 0.62 46 −50
A 38.7 231 ± 35 0.37 41 −57
C2 48.5 −40
C1 53.9 248 ± 25 0.39 55 −46
I2 63.5 −20
I1 68.5 279 ± 22 0.44 56 −36
Khigh vel 120.2 360 ± 23 0.55 55 −77
Klow vel 120.8 −30
Lhigh vel 127.7 285 ± 25 0.42 58 −60
Llow vel 128.8 290 ± 36 0.46 56 −30
M2 176 −30
M 209 −45
N 220 −45
E 5.9 180 ± 26 0.29 220 +65
G 31.7 +78
H 44.7 160 ± 20 0.25 230 +80

Notes. (a) Distances of knots are measured on 2012 image, taking the R3 bright knot as a zero point. (b) Tangential velocities correspond to 150 pc as a distance of the flow.

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