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Fig. 2


a) NH3(1, 1) intensity map (TMBdv) of the molecular core SS1. The starting point for the contour levels is 0.2 K km s-1; the increment is 0.3 K km s-1. Crosses mark measured positions; the red star indicates the location of the IR source IRAS 18265–0205 (Beichman et al. 1988). b) NH3(1, 1) radial velocity field (color map) shown after subtracting the mean radial velocity VLSR⟩ = 6.390 km s-1. The NH3 peak is labeled as in Table 1. The (0, 0) map position is RA = 18:29:09.6, Dec = − 02:05:40 (J2000).

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