A zoomed portion of the map shown in Fig. 3. a) NH₃(1, 1) intensity map (^∫T_MBdv) of SS2B. The starting point for the contour levels is 0.1 K km s^-1; the increment is 0.9 K km s^-1 between the first two and 0.5 K km s^-1 between the other contour levels. Crosses mark measured positions. b) NH₃(1, 1) radial velocity field (color map) shown after subtracting the mean radial velocity ⟨V_LSR⟩ = 8.162 km s^-1. The ammonia intensity peaks are labeled as in Table 1. The (0,0) map position is RA = 18:29:47.8, Dec = −01:37:20 (J2000).