Fig. 2

Left: PACS map of CO (14–13) in L1157-B1 (gray scale) compared with SiO (2–1) (dashed contours) and CH3CN (8K–7K) (solid contours). Right: PACS map of [O i]63 μm (gray scale, first level is 3 × 10-17 W m-2/spaxel, corresponding to 3 σ, steps are 7 × 10-17 W m-2/spaxel) compared with H2 v = 1–0 S(1) (solid contours). Crosses mark the centre of the spaxels of the PACS FOV.
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