Fig. 5

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Integrated intensity maps of the N2H+(1–0) emission for the three identified velocity components, i.e. 38–41 km s−1 (top panel; Arms=0.16 K), 41–43 km s−1 (middle panel; Arms=0.13 K), and 43–45.5 km s−1 (bottom panel; Arms=0.14 K). In all panels, the pixels below 3×Arms have been masked. The (visual extinction 20 mag) magenta contour highlights the shape of the cloud (Kainulainen & Tan 2013). The SiO(2–1) emission (Cosentino et al. 2019) is shown as black contours from 3σ (σ=0.016 Jy beam−1 km s−1) in steps of 3σ.
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