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Table 5

Parameters of the 6.7 GHz methanol maser spots in Cep A.

ID Cluster Relative positional offset LSR Internal proper motion Peak intensity



RA σ α Dec σ δ velocity μ α σ μ α V x μ δ σ μ δ V y 1st 2nd 3rd




(mas) (km s-1) (mas yr-1) (km s-1) (mas yr-1) (km s-1) (Jy beam-1)

1 III −320.49 0.68 237.24 0.46 −3.83 ···  ···  ···  ···  ···  ···  1.45 7.16 ··· 
2 III −319.99 0.41 236.96 0.31 −3.65 ···  ···  ···  ···  ···  ···  2.10 7.51 ··· 
3 III −319.45 0.45 236.78 0.34 −3.48 ···  ···  ···  ···  ···  ···  1.40 3.55 ··· 
4 III −317.90 0.59 234.75 0.49 −4.01 ···  ···  ···  ···  ···  ···  ···  2.72 ··· 
5 III −303.73 0.40 220.89 0.32 −3.48 ···  ···  ···  ···  ···  ···  1.33 ···  ··· 
6 III −303.30 0.30 220.80 0.19 −3.65 ···  ···  ···  ···  ···  ···  2.13 ···  ··· 
7 III −299.02 0.74 94.65 0.30 −3.83 ···  ···  ···  ···  ···  ···  ···  ···  3.50
8 III −298.73 0.86 94.70 0.34 −3.65 ···  ···  ···  ···  ···  ···  ···  ···  3.53
9 III −274.34 0.25 160.71 0.13 −3.48 1.57 0.40 5.21 0.46 0.19 1.52 2.64 1.90 2.42
10 III −273.89 0.14 160.43 0.10 −3.65 ···  ···  ···  ···  ···  ···  5.60 6.30 8.32
11 III −273.22 0.26 159.77 0.11 −3.83 0.98 0.19 3.26 0.54 0.08 1.80 4.79 8.40 10.41
12 III −271.77 0.51 158.62 0.27 −4.01 1.60 0.30 5.31 0.69 0.18 2.29 2.30 3.83 8.02
13 III −225.53 0.51 132.59 0.52 −3.30 ···  ···  ···  ···  ···  ···  ···  1.01 ··· 
14 III −224.40 0.40 129.49 0.45 −3.48 ···  ···  ···  ···  ···  ···  ···  1.88 ··· 
15 III −219.96 0.21 121.00 0.26 −3.65 ···  ···  ···  ···  ···  ···  ···  4.96 ··· 
16 III −216.10 0.27 119.06 0.16 −3.48 ···  ···  ···  ···  ···  ···  2.21 3.83 ··· 
17 III −214.45 0.23 119.65 0.15 −3.30 ···  ···  ···  ···  ···  ···  1.46 1.53 ··· 
18 III −209.55 0.33 117.36 0.33 −3.30 ···  ···  ···  ···  ···  ···  ···  1.43 ··· 
19 III −208.87 0.21 115.73 0.22 −3.48 ···  ···  ···  ···  ···  ···  ···  2.59 ··· 
20 I/II −72.49 0.27 38.53 0.14 −3.13 ···  ···  ···  ···  ···  ···  2.08 3.74 3.18
21 I/II −71.69 0.11 37.99 0.05 −2.95 ···  ···  ···  ···  ···  ···  10.04 11.73 9.71
22 I/II −70.24 0.13 37.35 0.07 −2.78 ···  ···  ···  ···  ···  ···  16.92 13.94 8.59
23 I/II −68.47 0.12 36.38 0.06 −2.60 ···  ···  ···  ···  ···  ···  13.36 ···  11.69
24 I/II −67.42 0.14 37.00 0.09 −2.95 ···  ···  ···  ···  ···  ···  ···  12.22 8.40
25 I/II −65.30 0.19 35.43 0.15 −2.78 ···  ···  ···  ···  ···  ···  ···  19.11 13.72
26 I/II −61.87 0.17 35.37 0.09 −2.95 ···  ···  ···  ···  ···  ···  6.97 14.15 4.93
27 I/II −60.54 0.12 34.43 0.06 −2.78 ···  ···  ···  ···  ···  ···  19.02 31.03 9.13
28 I/II −60.41 0.50 34.83 0.28 −3.13 ···  ···  ···  ···  ···  ···  1.12 2.74 ··· 
29 I/II −59.37 0.08 33.63 0.03 −2.60 ···  ···  ···  ···  ···  ···  22.60 26.64 ··· 
30 I/II −59.25 0.26 33.52 0.11 −2.42 ···  ···  ···  ···  ···  ···  9.87 ···  ··· 
31 I/II −48.20 0.15 28.78 0.14 −2.95 ···  ···  ···  ···  ···  ···  ···  7.55 6.29
32 I/II −47.33 0.48 37.66 0.39 −3.13 ···  ···  ···  ···  ···  ···  ···  ···  1.11
33 I/II −46.39 0.15 28.04 0.08 −2.78 ···  ···  ···  ···  ···  ···  13.59 25.88 18.06
34 I/II −45.23 0.06 27.48 0.03 −2.60 ···  ···  ···  ···  ···  ···  24.24 34.45 25.46
35 I/II −44.96 0.17 27.57 0.09 −2.42 ···  ···  ···  ···  ···  ···  17.14 12.80 14.29
36 I/II −42.18 0.16 26.38 0.12 −2.78 ···  ···  ···  ···  ···  ···  ···  19.93 15.09
37 I/II −40.79 0.09 25.79 0.07 −2.60 ···  ···  ···  ···  ···  ···  ···  35.11 25.68
38 I/II −40.37 0.18 25.80 0.09 −2.42 ···  ···  ···  ···  ···  ···  14.22 21.52 18.62
39 I/II −34.91 0.20 23.20 0.16 −2.42 ···  ···  ···  ···  ···  ···  ···  17.96 ··· 
40 I/II −34.73 0.18 22.63 0.19 −2.25 ···  ···  ···  ···  ···  ···  ···  15.54 9.31
41 I/II −28.73 0.29 28.04 0.16 −2.25 ···  ···  ···  ···  ···  ···  ···  ···  6.65
42 I/II −21.21 0.19 −8.92 0.10 −2.07 ···  ···  ···  ···  ···  ···  10.22 ···  ··· 
43 I/II −19.97 0.23 −9.64 0.13 −1.90 ···  ···  ···  ···  ···  ···  7.57 ···  ··· 
44 I/II −13.36 0.45 44.29 0.43 −1.72 ···  ···  ···  ···  ···  ···  ···  2.78 ··· 
45 I/II −13.02 0.51 44.62 0.49 −1.55 ···  ···  ···  ···  ···  ···  ···  1.18 ··· 
46 I/II −6.27 0.07 3.04 0.04 −2.07 0.33 0.09 1.09 0.16 0.07 0.54 24.59 21.44 15.12
47 I/II −5.41 0.05 2.56 0.03 −2.25 0.35 0.04 1.15 0.34 0.03 1.12 46.03 48.59 35.85
48 I/II −4.74 0.04 2.90 0.03 −2.60 ···  ···  ···  ···  ···  ···  ···  ···  27.33
49 I/II −4.10 0.19 2.39 0.11 −1.90 ···  ···  ···  ···  ···  ···  8.70 ···  ··· 
50 I/II −2.04 0.04 0.91 0.02 −2.42 −0.52 0.05 −1.74 0.59 0.03 1.97 63.74 73.17 45.07
51 I/II −0.94 0.46 0.31 0.24 −3.30 ···  ···  ···  ···  ···  ···  0.85 0.93 ··· 
52 I/II −0.57 0.33 0.68 0.17 −3.13 1.35 0.24 4.47 −0.45 0.13 −1.49 1.75 2.25 1.53
53 I/II 0.00 0.02 0.00 0.01 −2.60 0.13 0.02 0.44 −0.03 0.01 −0.10 68.78 92.19 46.06
54 I/II 0.88 0.15 0.07 0.07 −2.95 ···  ···  ···  ···  ···  ···  7.61 13.78 8.82
55 I/II 0.99 0.07 −0.29 0.03 −2.78 0.06 0.04 0.20 −0.02 0.02 −0.07 36.96 55.84 29.14
56 I/II 15.43 0.47 −5.97 0.27 −2.78 ···  ···  ···  ···  ···  ···  5.23 ···  ··· 
57 I/II 16.35 0.25 −6.69 0.14 −2.60 ···  ···  ···  ···  ···  ···  6.12 ···  ··· 
58 I/II 29.20 0.75 −31.63 0.46 −1.19 ···  ···  ···  ···  ···  ···  0.43 ···  ··· 
59 I/II 32.44 0.86 −28.53 0.49 −1.02 ···  ···  ···  ···  ···  ···  0.37 ···  ··· 
60 I/II 32.77 0.24 −28.11 0.14 −2.07 ···  ···  ···  ···  ···  ···  6.79 8.58 8.96
61 I/II 32.93 0.07 −28.36 0.04 −1.90 ···  ···  ···  ···  ···  ···  25.63 28.96 18.07
62 I/II 33.61 0.07 −28.61 0.03 −1.72 ···  ···  ···  ···  ···  ···  34.02 33.90 17.00
63 I/II 33.62 0.37 −27.30 0.21 −1.19 ···  ···  ···  ···  ···  ···  0.87 ···  ··· 
64 I/II 34.14 0.08 −28.72 0.04 −1.55 ···  ···  ···  ···  ···  ···  18.96 13.93 5.97
65 I/II 34.95 0.12 −28.73 0.05 −1.37 −0.03 0.21 −0.11 0.30 0.13 1.01 3.53 1.41 0.75
66 I/II 39.13 0.63 39.68 0.50 −1.90 ···  ···  ···  ···  ···  ···  ···  5.15 ··· 
67 I/II 40.76 0.43 39.13 0.41 −1.72 ···  ···  ···  ···  ···  ···  ···  3.38 ··· 
68 I/II 41.41 0.41 38.33 0.41 −1.55 ···  ···  ···  ···  ···  ···  ···  1.64 ··· 
69 I/II 41.60 0.32 −25.99 0.19 −2.07 ···  ···  ···  ···  ···  ···  5.88 ···  ··· 
70 I/II 41.71 0.21 −26.99 0.13 −1.90 ···  ···  ···  ···  ···  ···  8.44 ···  ··· 
71 I/II 42.39 0.55 37.45 0.45 −1.37 ···  ···  ···  ···  ···  ···  ···  0.63 ··· 
72 I/II 43.88 0.41 −27.14 0.31 −2.60 ···  ···  ···  ···  ···  ···  ···  7.10 ··· 
73 I/II 44.57 0.58 −27.80 0.43 −2.42 ···  ···  ···  ···  ···  ···  ···  5.81 ··· 
74 I/II 70.86 0.28 −24.90 0.21 −2.95 ···  ···  ···  ···  ···  ···  3.33 3.28 ··· 
75 I/II 71.10 0.28 −24.70 0.18 −3.30 0.13 0.30 0.42 0.86 0.14 2.86 1.26 2.74 1.33
76 I/II 71.25 0.15 −24.85 0.10 −3.13 0.44 0.11 1.47 0.46 0.07 1.53 3.13 5.32 2.38
77 V 115.92 0.48 538.56 0.41 −4.88 ···  ···  ···  ···  ···  ···  ···  ···  1.09
78 V 120.52 0.67 534.02 0.71 −5.06 ···  ···  ···  ···  ···  ···  ···  0.59 ··· 
79 V 121.12 0.26 533.02 0.27 −4.88 0.62 0.24 2.04 0.09 0.24 0.29 ···  1.68 2.93
80 V 122.16 0.34 532.20 0.35 −4.71 0.36 0.66 1.20 0.41 0.69 1.34 ···  1.75 3.29
81 V 124.18 0.21 530.14 0.22 −4.88 ···  ···  ···  ···  ···  ···  ···  ···  2.38
82 V 128.07 0.33 525.42 0.34 −4.88 0.53 0.32 1.74 −1.03 0.31 −3.41 ···  1.41 2.15
83 V 129.54 0.31 523.64 0.33 −4.71 1.06 0.75 3.51 0.22 0.78 0.74 ···  1.91 2.85
84 V 133.56 0.40 520.15 0.31 −4.88 ···  ···  ···  ···  ···  ···  ···  ···  1.32
85 V 138.41 0.63 511.83 0.59 −4.88 ···  ···  ···  ···  ···  ···  ···  0.69 ··· 
86 V 140.27 0.52 511.04 0.53 −4.71 ···  ···  ···  ···  ···  ···  ···  1.00 ··· 
87 V 151.31 0.25 504.58 0.18 −4.71 0.04 0.34 0.13 0.13 0.29 0.43 1.43 3.57 ··· 
88 V 151.40 0.92 504.26 0.68 −4.88 −0.53 1.08 −1.75 0.88 0.84 2.93 0.45 1.56 ··· 
89 V 151.96 0.23 504.27 0.18 −4.53 0.57 0.45 1.88 −0.93 0.46 −3.10 1.55 2.75 ··· 
90 V 157.68 0.23 496.85 0.19 −4.53 1.69 0.46 5.60 −1.48 0.49 −4.89 1.51 2.81 ··· 
91 V 157.90 0.72 495.60 0.53 −4.88 1.46 0.86 4.85 0.66 0.68 2.17 0.46 1.59 ··· 
92 V 158.16 0.26 496.37 0.19 −4.71 1.11 0.37 3.69 −0.83 0.32 −2.76 1.33 3.10 ··· 
93 V 165.18 0.55 488.11 0.41 −4.71 ···  ···  ···  ···  ···  ···  0.65 1.15 ··· 
94 V 167.38 0.69 483.48 0.81 −4.88 ···  ···  ···  ···  ···  ···  ···  0.58 ··· 
95 II 402.69 0.60 −149.27 0.34 −2.60 ···  ···  ···  ···  ···  ···  1.87 ···  ··· 
96 II 405.57 0.82 −148.12 0.36 −2.42 ···  ···  ···  ···  ···  ···  2.81 ···  ··· 
97 II 406.40 0.64 −155.93 0.37 −2.78 ···  ···  ···  ···  ···  ···  3.25 ···  ··· 
98 II 407.92 0.30 −156.50 0.18 −2.95 ···  ···  ···  ···  ···  ···  3.44 1.92 ··· 
99 II 408.88 0.37 −156.78 0.25 −3.13 ···  ···  ···  ···  ···  ···  1.36 ···  ··· 
100 II 413.36 1.04 −161.94 0.71 −2.78 ···  ···  ···  ···  ···  ···  2.08 ···  ··· 
101 II 413.61 0.39 −162.63 0.27 −2.95 ···  ···  ···  ···  ···  ···  2.53 ···  ··· 
102 II 413.71 0.45 −163.00 0.29 −3.13 ···  ···  ···  ···  ···  ···  1.15 1.11 ··· 
103 II 417.61 0.76 −167.09 0.35 −0.49 ···  ···  ···  ···  ···  ···  0.39 ···  ··· 
104 II 418.01 0.50 −166.97 0.27 −0.32 ···  ···  ···  ···  ···  ···  0.43 ···  ··· 
105 II 451.96 0.48 −142.77 0.54 −3.48 ···  ···  ···  ···  ···  ···  ···  1.06 ··· 
106 II 452.28 0.49 −143.34 0.60 −3.30 ···  ···  ···  ···  ···  ···  ···  0.73 ··· 
107 IV 1327.92 0.49 −193.17 0.47 −4.01 ···  ···  ···  ···  ···  ···  ···  ···  6.27
108 IV 1331.99 0.23 −193.64 0.15 −4.18 ···  ···  ···  ···  ···  ···  ···  ···  9.09
109 IV 1338.30 0.11 −183.16 0.06 −3.83 ···  ···  ···  ···  ···  ···  8.25 ···  3.47
110 IV 1339.17 0.11 −183.07 0.06 −4.01 0.05 0.13 0.17 −0.53 0.07 −1.76 17.80 5.81 13.41
111 IV 1339.22 0.24 −182.58 0.14 −4.36 ···  ···  ···  ···  ···  ···  7.09 8.61 ··· 
112 IV 1339.60 0.35 −182.07 0.20 −4.53 ···  ···  ···  ···  ···  ···  1.28 ···  ··· 
113 IV 1340.21 0.12 −182.46 0.07 −4.18 −1.48 0.09 −4.91 −0.46 0.04 −1.54 18.66 13.59 17.48
114 IV 1343.04 0.16 −166.12 0.17 −4.01 ···  ···  ···  ···  ···  ···  ···  6.80 11.68
115 IV 1343.92 0.12 −167.71 0.12 −4.18 ···  ···  ···  ···  ···  ···  ···  11.82 ··· 
116 IV 1344.40 0.11 −168.19 0.13 −4.36 ···  ···  ···  ···  ···  ···  ···  8.10 9.14
117 IV 1344.84 0.18 −168.65 0.22 −4.53 ···  ···  ···  ···  ···  ···  ···  2.76 2.61
118 IV 1344.95 0.11 −179.55 0.06 −4.36 −0.43 0.12 −1.43 −0.59 0.07 −1.95 15.19 23.24 15.42
119 IV 1345.05 0.19 −179.65 0.10 −4.53 0.03 0.11 0.10 −0.41 0.06 −1.35 2.41 6.73 4.53
120 IV 1345.68 0.07 −180.35 0.05 −4.18 −1.16 0.06 −3.86 0.04 0.04 0.12 30.94 29.77 19.45
121 IV 1345.75 0.13 −175.55 0.07 −4.18 ···  ···  ···  ···  ···  ···  ···  ···  17.06
122 IV 1346.17 0.18 −181.41 0.10 −3.65 ···  ···  ···  ···  ···  ···  2.13 ···  ··· 
123 IV 1346.58 0.06 −180.29 0.04 −4.01 −0.98 0.09 −3.24 −0.66 0.06 −2.20 28.78 13.40 13.95
124 IV 1347.64 0.09 −180.68 0.05 −3.83 ···  ···  ···  ···  ···  ···  11.53 ···  ··· 
125 IV 1352.70 0.12 −178.68 0.07 −4.01 ···  ···  ···  ···  ···  ···  16.28 6.18 ··· 
126 IV 1352.85 0.20 −178.36 0.10 −4.18 −0.76 0.16 −2.51 −1.13 0.08 −3.74 12.43 10.02 9.21
127 IV 1353.82 0.15 −179.17 0.09 −3.83 ···  ···  ···  ···  ···  ···  6.22 ···  ··· 
128 IV 1354.54 0.48 −184.84 0.43 −4.53 ···  ···  ···  ···  ···  ···  ···  1.43 ··· 
129 IV 1354.72 0.49 −178.35 0.26 −4.36 ···  ···  ···  ···  ···  ···  3.52 5.46 ··· 
130 IV 1361.74 0.15 −164.10 0.09 −3.65 ···  ···  ···  ···  ···  ···  2.52 ···  ··· 
131 IV 1362.97 0.18 −163.11 0.10 −3.83 ···  ···  ···  ···  ···  ···  4.36 ···  ··· 

Notes. The relative positional offset in Cols. 3 and 5 is obtained with respect to the reference spot (ID 53 marked by an asterisk), whose absolute coordinates are [α(J2000.0) = 22h56m17s.9042, δ(J2000.0) =  +62°01′49″.577]. Proper motions are measured relative to the maser barycenter (see Sect. 3.2).

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