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Table 1

Characteristics of the observed sources.

Object RA(J2000) Dec(J2000) D V LSR T c V absa
[kpc] [km   s-1] [K] [km   s-1]

G34.3+0.1 18 53 18.7 +01 14 58 3.8 57 1.2 6−66
G10.62-0.39(W31C) 18 10 28.7 –19 55 50 4.8 –3 1.0 10−50
W51b 19 23 43.9 +14 30 30.5 7.0 55 1.0 2−70
W49N 19 10 13.2 +09 06 12 11.5 7 1.8 14−74
Sgr A 17 45 51.7 –28 59 08.7 8.6 50 1.5 −30−80

Notes. 

(a)

Velocity range of the absorption features.

(b)

This position lies between W51-E1 and W51-E2.

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