Fig. 2

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ALMA image (gray) at 3 mm (Ohashi et al. 2016) of G14.2-hub-N overlaid on the NH3 (1,1) integrated intensity (black dashed contours) from Busquet et al. (2013). The left panel corresponds to the gray rectangle marked in Fig. 1 while the right panel shows a close -up of the central region around G14.2-hub-N. In both panels contour levels of the grayscale image start at 3σ and increase in steps of 15σ, where σ is the RMS of the map (0.2 mJy beam−1). Red dots depict the dust continuum sources detected with ALMA at 1.3 mm (Zhang et al., priv. comm.). The synthesized beam is shown in the bottom left corner of both images. Symbols are the same as in Fig. 1.
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