Observation of Infrared and Radio Lines of Molecules toward GL2591 and Comparison to Physical and Chemical Models

John S. Carr, Neal J. Evans, J. H. Lacy +1

We have observed rovibrational transitions of acetylene and HCN near 13 microns in absorption toward GL2591. We also observed rotational lines of CS, HCN, H2CO, and HCO+. The combi…