First map of D${}_2$H${}^{+}$ emission revealing the true centre of a prestellar core: further insights into deuterium chemistry

L. Pagani, Arnaud Belloche, Bérengère Parise

Context. IRAS 16293E is a rare case of a prestellar core being subjected to the effects of at least one outflow.Aims. We want to disentangle the actual structure of the core from t…