Table 3: Parameters of maser features detected with the VLBA in AFGL 5142.
  Feature $V_{\rm LSR}$ $F_{\rm int}$   $\Delta \alpha$ $\Delta \delta$   Vx Vy $V_{\rm mod}$
    (km s-1) (Jy)   (mas) (mas)   (km s-1) (km s-1) (km s-1)
  1 -5.0 33.2   -84.3 (0.4) -243.7 (0.2)   0.8 (11) -11 (7) 11 (7)
  2 -5.7 7.1   -59.6 (0.4) -242.9 (0.2)   14 (14) -15 (7) 20 (11)
  3 -6.3 5.3   -191.1 (0.4) -279.2 (0.2)   -9 (13) 16 (7) 18 (9)
  4 -7.8 1.1   -66.6 (0.4) -237.8 (0.2)   5(14) -11 (7) 12 (9)
  5 -4.4 0.1   -57.9 (0.3) -242.1 (0.2)        
  6 -3.1 0.6   -248.1 (0.4) 105.5 (0.2)   -9 (13) 8 (7) 12 (11)
  7 -2.7 1.1   -77.8 (0.4) 242.3 (0.2)   8(13) -10 (7) 13 (10)
  8 0.1 0.5   -234.7 (0.4) 0.0 (0.2)   -9 (13) 2 (7) 9 (13)
  9 -0.2 0.6   -233.2 (0.4) -0.4 (0.2)   -6 (13) 4 (7) 8 (12)
Group I 12 -1.4 0.5   -186.7 (0.4) -26.2 (0.2)   -26 (16) 9 (8) 28 (16)
  13 -2.2 0.3   -182.8 (0.4) -27.4 (0.2)   0.9 (13) 9 (7) 9 (7)
  14 -1.3 5.2   -299.9 (0.4) 43.5 (0.2)   -13 (13) 5 (7) 14 (13)
  15 -1.7 0.7   -253.9 (0.4) 92.1 (0.2)   -7 (13) 6 (7) 9 (11)
  16 -1.9 0.3   -290.0 (0.4) -24.0 (0.2)        
  17 -1.7 0.5   -281.9 (0.4) -99.0 (0.2)   -6 (14) -5 (7) 8 (11)
  18 4.6 0.9   -171.4 (0.4) -169.9 (0.2)   -18 (14) 4 (7) 18 (13)
  19 1.9 0.5   -222.4 (0.5) 4.0 (0.2)   -0.3 (16) 11 (8) 11 (8)
  20 -2.0 0.1   -303.2 (0.4) 7.0 (0.5)   -12 (13) -2 (20) 13 (14)
  21 -1.3 0.2   -184.5 (0.4) -26 (0.2)   -18 (13) 16 (7) 24 (11)
  22 0 0.3   -291.0 (0.2) -5.8 (0.1)   -26 (17) 5 (9) 27 (17)
  23 1.8 0.1   -290.1 (0.3) -19.96 (0.2)        
  24 1.3 0.1   -241.4 (0.2) 118.3 (0.1)   -5.0 (17) 3 (9) 6 (15)
  25 -0.6 0.1   -240.6 (0.3) 118.9 (0.2)        
  10 -0.1 0.7   199.8 (0.4) 89.2 (0.2)   22 (14) 11 (7) 24 (13)
  11 0.9 0.1   197.4 (0.4) 90.6 (0.2)   6 (13) 19 (7) 20 (8)
Group II 26 -7.4 6.6   -469.2 (0.4) -1587.9 (0.2)        
  27 4.1 0.5   -450.0 (0.2) -1481.0 (0.1)        
  28 -5.7 4.9   -921.5 (0.4) -1813.4 (0.2)   -17 (14) -16 (7) 24 (11)
  29 -4.2 0.7   -921.6 (0.4) -1812.9 (0.2)   -27 (13) -18 (7) 32 (12)
Note. For each identified feature, Col. 1 gives the label number; Cols. 2 and 3 the line-of-sight velocity and the integrated flux density of the highest-intensity channel; Cols. 4 and 5 the absolute positional (RA and Dec) offsets (and, within brackets, the associated errors), evaluated with respect to the maser position used at the correlator ( $\rm\alpha(J2000) = 05^h 30^m 48\hbox{$.\!\!^{\prime\prime}$ }033$, $\rm\delta (J2000) = 33^{\circ } 47' 54$ $.\!\!^{\prime\prime}$6); Cols. 6-8 the projected components along the RA and Dec axes and the absolute value of the derived proper motions (and, within brackets, the associated errors).

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