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Table 2

Velocity ranges considered for each cloud.

Nominal velocity v0 v1
( km s-1) ( km s-1) ( km s-1)

120 126 116
106 110 97
92 97 86
80 86 78
73 78 62
58 62 53
47 53 42.5
40 42.5 35
23 35 12
0 12 15
20 15 24

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