The thermal state of molecular clouds in the Galactic Center: evidence for non-photon-driven heating

Y. Ao, C. Henkel, K. M. Menten +6

We used the Atacama Pathfinder Experiment (APEX) 12 m telescope to observe the J_KaKc=3_03-2_02, 3_22-2_21, and 3_21-2_20 transitions of para-H_2CO at 218 GHz simultaneously to det…