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Table 4:

Parameters of EVN 6.7 GHz methanol maser features.

Feature 		$V_{\rm LSR}$ $F_{\rm peak}$ Var.a   $\Delta x$ $\Delta y$   $V_{\rm x}$ $V_{\rm y}$ $\Delta\vert V\vert/\vert V\vert $
  (km s-1) (Jy beam-1)     (mas) (mas)   (km s-1) (km s-1)  
1 74.72 146.03 52%   $ 144.50 \pm 0.08 $ $ 310.91 \pm 0.09 $   $ 1.9 \pm 0.9 $ $ 4.8 \pm 0.9 $ 19%

2

 75.51 113.88 21%   $177.17 \pm 0.07 $ $ 233.91 \pm 0.08 $   ... ... ...

3

 74.28 103.74 76%   $ 346.87 \pm 0.08 $ $ 425.90 \pm 0.08 $   $ 3.6 \pm 0.9 $ $ -1.2 \pm 0.9 $ 24%

4

 74.98 102.28 12%   $ 186.40 \pm 0.08 $ $ 257.95 \pm 0.08 $   $ 0.7 \pm 0.8 $ $ 7.7 \pm 0.9 $ 12%

5

 74.81 80.64 58%   $ 168.17 \pm 0.08 $ $ 241.89 \pm 0.09 $   ... ... ...

6

 80.69 53.26 62%   $ -47.98 \pm 0.08 $ $ 43.87 \pm 0.08 $   $ -2.4 \pm 0.8 $ $ 8.2 \pm 0.9 $ 11%

7

 75.86 47.43 24%   $ 176.27 \pm 0.08 $ $ 239.05 \pm 0.08 $   ... ... ...

8

 81.74 37.47 18%   $ 1.20 \pm 0.07 $ $ 1.27 \pm 0.08 $   $ -3.4 \pm 0.8 $ $ -0.9 \pm 0.8 $ 23%

9

 74.02 36.93 93%   $ 156.85 \pm 0.08 $ $ 304.35 \pm 0.09 $   $ 4.2 \pm 0.9 $ $ 4.3 \pm 1.0 $ 16%

10

 82.36 36.19 6%   0 0   $ -5.7 \pm 0.8 $ $ -0.2 \pm 0.8 $ 14%

11

 72.70 35.76 21%   $ 273.15 \pm 0.08 $ $ 277.34 \pm 0.08 $   $ 3.2 \pm 0.8 $ $ -3.8 \pm 0.9 $ 18%

12

 81.21 34.26 26%   $ -37.21 \pm 0.07 $ $ 61.77 \pm 0.08 $   $ -3.6 \pm 0.8 $ $ -3.1 \pm 0.9 $ 18%

13

 74.45 25.86 56%   $ 213.79 \pm 0.09 $ $ 278.25 \pm 0.11 $   ... ... ...

14

 74.28 22.88 40%   $ 220.58 \pm 0.08 $ $ 275.38 \pm 0.10 $   ... ... ...

15

 74.63 21.54 70%   $ 309.42 \pm 0.12 $ $ 425.16 \pm 0.16 $   $ 15.9 \pm 1.6 $ $ -1.6 \pm 1.9 $ 10%

16

 79.46 20.61 46%   $ -34.98 \pm 0.08 $ $ 47.44 \pm 0.08 $   $ -3.2 \pm 0.9 $ $ 5.4 \pm 0.9 $ 15%

17

 73.84 15.77 7%   $ 181.98 \pm 0.08 $ $ 272.74 \pm 0.09 $   $ 0.7 \pm 0.9 $ $ -1.5 \pm 1.0 $ 60%

18

 73.75 13.58 60%   $ 244.61 \pm 0.09 $ $ 276.21 \pm 0.10 $   $ 12.1 \pm 1.0 $ $ 3.2 \pm 1.2 $ 9%

19

 73.49 13.43 58%   $ 167.14 \pm 0.08 $ $ 281.57 \pm 0.09 $   $ -2.6 \pm 0.9 $ $ -7.1 \pm 1.0 $ 13%

20

 74.19 12.90 60%   $ 194.21 \pm 0.09 $ $ 272.49 \pm 0.13 $   ... ... ...

21

 76.74 12.77 19%   $ 190.23 \pm 0.07 $ $ 229.99 \pm 0.08 $   $ 10.0 \pm 0.8 $ $ -1.2 \pm 0.9 $ 8%

22

 74.89 12.28 73%   $ 344.95 \pm 0.19 $ $ 418.82 \pm 0.21 $   $ 14.6 \pm 2.7 $ $ -5.9 \pm 2.7 $ 17%

23

 74.37 11.81 86%   $ 205.90 \pm 0.12 $ $ 267.36 \pm 0.19 $   ... ... ...

24

 74.02 10.06 9%   $ 236.52 \pm 0.09 $ $ 289.86 \pm 0.11 $   ... ... ...

25

 80.60 10.01 36%   $ 331.59 \pm 0.08 $ $ -143.43 \pm 0.09 $   $ 4.3 \pm 1.0 $ $ -6.8 \pm 1.1 $ 14%

26

 73.23 9.75 41%   $ 73.55 \pm 0.08 $ $ 341.05 \pm 0.09 $   $ -3.1 \pm 0.9 $ $ 7.0 \pm 1.0 $ 13%

27

 79.28 8.23 39%   $ 245.63 \pm 0.08 $ $ -54.11 \pm 0.09 $   $ 3.0 \pm 0.9 $ $ -5.5 \pm 1.0 $ 16%

28

 81.57 8.19 13%   $ -49.08 \pm 0.08 $ $ 103.30 \pm 0.09 $   $ -6.9 \pm 0.9 $ $ 2.4 \pm 1.0 $ 13%

29

 73.23 6.81 78%   $ 220.62 \pm 0.08 $ $ 223.93 \pm 0.10 $   $ 3.3 \pm 1.0 $ $ -1.2 \pm 1.1 $ 29%

30

 74.72 6.57 ...   $ 191.94 \pm 0.21 $ $ 279.13 \pm 0.22 $   ... ... ...

31

 73.23 6.23 50%   $ 315.81 \pm 0.08 $ $ 325.45 \pm 0.09 $   $ 1.3 \pm 1.0 $ $ -2.0 \pm 1.2 $ 48%

32

 74.10 5.86 35%   $ 228.71 \pm 0.11 $ $ 284.84 \pm 0.16 $   ... ... ...

33

 80.86 5.15 101%   $ 4.59 \pm 0.11 $ $ 8.87 \pm 0.15 $   ... ... ...

34

 77.26 4.35 31%   $ 196.56 \pm 0.08 $ $ 231.42 \pm 0.09 $   ... ... ...

35

 74.28 4.33 ...   $ 191.09 \pm 0.14 $ $ 289.30 \pm 0.25 $   ... ... ...

36

 74.10 4.30 ...   $ 183.95 \pm 0.11 $ $ 258.93 \pm 0.16 $   ... ... ...

37

 82.62 3.23 15%   $ -53.78 \pm 0.08 $ $ 40.29 \pm 0.09 $   $ -4.3 \pm 1.0 $ $ 5.2 \pm 1.2 $ 17%

38

 83.23 3.18 38%   $ -49.41 \pm 0.08 $ $ 97.93 \pm 0.09 $   $ -5.5 \pm 0.9 $ $ 1.3 \pm 1.0 $ 17%

39

 80.25 2.81 39%   $ 313.27 \pm 0.08 $ $ -135.59 \pm 0.09 $   $ 0.1 \pm 1.0 $ $ -6.7 \pm 1.2 $ 18%

40

 73.31 2.65 135%   $ 185.38 \pm 0.09 $ $ 209.75 \pm 0.11 $   ... ... ...

41

 73.93 2.58 ...   $ 176.30 \pm 0.13 $ $ 260.13 \pm 0.29 $   ... ... ...

42

 72.79 2.27 29%   $ 262.25 \pm 0.10 $ $ 221.26 \pm 0.15 $   ... ... ...

43

 81.48 2.06 77%   $ -51.58 \pm 0.09 $ $ 39.14 \pm 0.12 $   ... ... ...

44

 78.93 1.94 24%   $ 78.24 \pm 0.08 $ $ -52.01 \pm 0.09 $   $ -4.2 \pm 1.0 $ $ 1.4 \pm 1.2 $ 24%

45

 73.58 1.85 ...   $ 252.27 \pm 0.11 $ $ 281.21 \pm 0.19 $   ... ... ...

46

 81.04 1.79 11%   $ -45.07 \pm 0.09 $ $ -31.48 \pm 0.12 $   $ -8.1 \pm 1.1 $ $ 0.1 \pm 1.5 $ 15%

47

 78.84 1.78 124%   $ -145.32 \pm 0.15 $ $ 294.05 \pm 0.23 $   $ -5.7 \pm 1.8 $ $ 11.4 \pm 2.5 $ 19%

48

 73.23 1.72 136%   $ 117.85 \pm 0.26 $ $ 315.86 \pm 0.44 $   ... ... ...

49

 72.87 1.71 28%   $ 331.36 \pm 0.12 $ $ 326.56 \pm 0.17 $   $ 2.0 \pm 2.0 $ $ -5.4 \pm 2.5 $ 42%

50

 80.42 1.65 67%   $ 118.38 \pm 0.09 $ $ -15.13 \pm 0.12 $   $ -3.5 \pm 1.7 $ $ -2.0 \pm 2.1 $ 45%

51

 72.17 1.29 21%   $ 189.08 \pm 0.09 $ $ 215.22 \pm 0.11 $   $ 1.2 \pm 1.2 $ $ -1.6 \pm 1.4 $ 65%

52

 80.95 1.18 ...   $ 285.89 \pm 0.16 $ $ -92.10 \pm 0.17 $   ... ... ...

53

 78.58 1.08 76%   $ 361.62 \pm 0.16 $ $ -60.32 \pm 0.21 $   ... ... ...

54

 79.90 1.04 58%   $ 148.46 \pm 0.11 $ $ -102.60 \pm 0.16 $   $ -3.3 \pm 1.5 $ $ -11.1 \pm 2.0 $ 17%

55

 70.24 0.91 14%   $ 192.80 \pm 0.09 $ $ 47.85 \pm 0.11 $   $ -2.4 \pm 1.3 $ $ -5.2 \pm 1.6 $ 28%

56

 83.06 0.88 25%   $ 202.89 \pm 0.10 $ $ -1.49 \pm 0.13 $   $ 1.5 \pm 1.7 $ $ -3.7 \pm 2.1 $ 51%

57

 73.58 0.84 ...   $ 221.83 \pm 0.13 $ $ 263.46 \pm 0.18 $   ... ... ...

58

 82.44 0.83 18%   $ 211.57 \pm 0.25 $ $ -10.52 \pm 0.33 $   ... ... ...

59

 78.49 0.78 32%   $ 365.62 \pm 0.10 $ $ -53.08 \pm 0.16 $   ... ... ...

60

 69.80 0.76 45%   $ -54.83 \pm 0.11 $ $ 303.27 \pm 0.15 $   $ -5.4 \pm 1.5 $ $ 10.0 \pm 2.0 $ 17%

61

 76.56 0.69 ...   $ 84.27 \pm 0.24 $ $ 381.13 \pm 0.26 $   ... ... ...

62

 79.81 0.60 57%   $ 110.44 \pm 0.16 $ $ -67.92 \pm 0.24 $   ... ... ...

63

 80.16 0.55 40%   $ 109.85 \pm 0.18 $ $ -72.17 \pm 0.26 $   ... ... ...

64

 80.16 0.54 28%   $ 369.64 \pm 0.19 $ $ -142.39 \pm 0.24 $   $ -2.2 \pm 3.0 $ $ -10.4 \pm 3.2 $ 30%

65

 78.76 0.47 7%   $ 18.53 \pm 0.14 $ $ 298.80 \pm 0.22 $   $ 1.4 \pm 2.4 $ $ 7.4 \pm 3.2 $ 43%

66

 76.91 0.47 ...   $ 165.18 \pm 0.25 $ $ -23.41 \pm 0.28 $   ... ... ...

67

 79.72 0.46 42%   $ 160.89 \pm 0.16 $ $ -26.57 \pm 0.27 $   ... ... ...

68

 78.23 0.41 18%   $ 83.31 \pm 0.13 $ $ -38.89 \pm 0.18 $   $ -1.9 \pm 2.3 $ $ -0.8 \pm 2.8 $ 114%

69

 80.25 0.37 62%   $ 354.72 \pm 0.21 $ $ -140.73 \pm 0.38 $   ... ... ...

70

 77.44 0.36 65%   $ -30.76 \pm 0.14 $ $ 69.63 \pm 0.22 $   ... ... ...

71

 77.70 0.29 85%   $ -142.36 \pm 0.26 $ $ 302.09 \pm 0.41 $   $ -9.4 \pm 3.7 $ $ 9.1 \pm 5.1 $ 34%

72

 78.76 0.25 20%   $ -1.08 \pm 0.26 $ $ 313.38 \pm 0.38 $   ... ... ...

73

 78.23 0.25 23%   $ 167.15 \pm 0.19 $ $ -25.88 \pm 0.33 $   ... ... ...

74

 79.20 0.24 46%   $ -65.58 \pm 0.19 $ $ 102.70 \pm 0.32 $   ... ... ...

75

 77.88 0.22 45%   $ -69.95 \pm 0.33 $ $ 103.10 \pm 0.44 $   ... ... ...

76

 78.14 0.19 40%   $ 200.35 \pm 0.35 $ $ 178.88 \pm 0.46 $   ... ... ...

77

 78.14 0.17 54%   $ -68.92 \pm 0.37 $ $ 103.28 \pm 0.62 $   ... ... ...

78

 77.35 0.16 47%   $ -151.21 \pm 0.28 $ $ 303.05 \pm 0.43 $   ... ... ...

79

 72.35 0.13 28%   $ 178.61 \pm 0.38 $ $ 159.23 \pm 0.56 $   ... ... ...

80

 78.32 0.12 5%   $ 50.77 \pm 0.32 $ $ 257.35 \pm 0.50 $   ... ... ...

81

 67.87 0.10 ...   $ 178.94 \pm 0.48 $ $ 49.84 \pm 0.55 $   ... ... ...

0

         $ 131.30 \pm 0.07 $ $ 149.69 \pm 0.08 $   0 0  

S

         155 143        

Reference Feature: Absolute position 		 
Feature RA(J2000) Dec(J2000)        
  (h m s) ($^\circ$' '')        
10 18:34:40.27658 $\pm$ 0.00014 -09:00:38.4086 $\pm$ 0.0021        

Notes. For each identified feature, the label (given in Col. 1) increases with decreasing brightness. Columns 2-4 report the LSR velocity and brightness of the brightest spot and its percent brightness variability. Columns 5 and 6 give the position offset relative to the feature #10, in the east and north directions, respectively. Columns 7 and 8 report the projected components of the feature proper motion relative to the center of motion (as defined in Sect. 4.4, and identified with label #0), along the east and north directions, respectively. Column 9 shows the relative error of the proper motion amplitude. ``S'' is the barycenter of the methanol maser distribution as defined in Sect. 4.4. The absolute position of the reference feature #10 is reported at the bottom of the table.
(a) Variability (%) = (F $_{\rm MAX}$ - F $_{\rm MIN}$ of the brightest spot)/(( $F_{\rm MAX}$ + $F_{\rm MIN}$)/2.0).


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