0–0 S(l)–S(5) temperature map as derived from 0–0 S(l)–S(5) rotation diagrams. Left: the temperature map, with white contours derived from 0–0 S(2) emission outlining the positions of knot A and B. The white circle indicates the PSF FWHM that each transition integrated flux map has been smoothed to. Right: example of a single-spaxel rotation diagram. The measurements follow a straight line characterised by the temperature T and column density N as indicated in the grey box.