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Table 3

Absolute positions of the maser emission centroids for the three NH3 transitions.

NH3 line RA (J2000) Dec (J2000)
(h:m:s) (°::′′)

(6, 6) 19:23:40.09970
(7, 7) blue 19:23:40.09968
(7, 7) red 19:23:40.09966
(9, 9) 19:23:40.09967

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