Maps of the integrated intensity (upper panels) and velocity field (bottom panels) of a) CH3CN K = 2 at 349.426 GHz, b) CH3OH (22,1–31,2), c) H2CS (101,9–91,8), and d) HC3N (37–36) towards core C. The starting (and increasing) contour levels for the four panels are 1σ (1σ), with σ equal to 0.18, 0.22, 0.20 and 0.14 Jy beam-1 km s-1, for the four panels. Other symbols as in Fig. 4.
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