Maps of the DCO⁺ and H¹³CO⁺ (1−0) emission obtained with NOEMA and 30 m telescopes. The beam size and scale bar are shown in the top left and bottom right, respectively. The contours correspond to the Herschel-based H₂ column map; the first level is at log₁₀(N(H₂)) = 22.2, and the step between levels is 0.5 dex. The stars mark the positions of the YSOs identified by Dunham et al. (2015) using Spitɀer observations.