Channel maps of the ALMA ﹩{\rm{p}} \mbox{-} {{\rm{H}}}_{2}\mathrm{CO}﹩ line at 290 GHz. The observed line is shown in the top row, while the best-fit model is shown in the middle row, and the residuals are shown in the bottom row. The velocity in ﹩\,\mathrm{km}\,{{\rm{s}}}^{-1}﹩ of each panel is shown at the top right in the middle row. Contours are 3, 5, and 7σ.