a) Same as Fig. 1a but for the source Do279P6. The starting point for the contour levels is 0.5 K km s-1, the increment is 0.5 K km s-1 between the first two and 1.0 K km s-1 between the other contour levels. b) NH3(1, 1) radial velocity (color map) structure. The velocity field is shown after subtracting the mean radial velocity ⟨ VLSR ⟩ = 7.986 km s-1. The intensity peaks are labeled as in Table 1. c) NH3(1, 1) intensity map as in panel a) and positions of YSO candidates observed with the Spitzer/IRAC in a star formation region Serpens cluster B (Harvey et al. 2006). Open circles of different colors mark Class I (red), intermediate type (yellow), and Class II (blue) YSOs.
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