Similar to Fig. B.1 but towards G13.22−SMM 32. The contour levels start at 3σ for H13CO+, SiO, C2H, HNCO(40, 4 − 30, 3), HCN, HC3N, and CH3CN, while for HCO+, HNC, and N2H+ they start at 4σ, 5σ, and 4σ, respectively. In all cases, the contours go in steps of 3σ. The average 1σ value in TMB units is ~ 0.57 K km s-1. The LABOCA 870 μm peak position of the clump is marked by a red plus sign. A scale bar indicating the 1 pc projected length is indicated. The spatial distributions of HCN, HCO+, HNC, and N2H+ are quite similar, but the different peak positions of HCO+ and N2H+ should be noted (as expected from their chemistry). C2H and HC3N also show weaker emission towards SMM 32, with some morphological similarities to the strongly emitting species.
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