Fig. 2
Integrated intensity maps of Oph D in (1, 1) (left) and (2, 2) (right) transitions of NH3 smoothed to 10″ to improve the signal-to-noise ratio of (2, 2) line. The 10″ Gaussian clean beam is indicated in the bottom right corner. The contours are from 10% to 90% with steps of 10% of the map peak values 3.5 K km s-1 and 0.11 K km s-1 for (1, 1) and (2, 2) lines, respectively.
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