In Search of Infall Motion in Molecular Clumps. IV. Mapping of the Global Infall Sources

Yang Yang, Xi Chen, Zhibo Jiang +3

We have used the IRAM 30-m telescope to map some targets with HCO${}^{+}$ (1-0) and H${}^{13}$CO${}^{+}$ (1-0) lines in order to search for gas infall evidence in the clumps. In this paper,…