SPECTROSCOPY OF H$_3^+$ AND CO TOWARD THE GALACTIC CENTER

Author Institution: Dept of Astron. \& Astrophys. and Dept of Chem., Univ. of Chicago; Gemini Observatory, Hilo, Hawaii; Max Planck Institute for Astronomy, Heidelberg, Germany; Subaru Telescope, NAOJ, Hilo, Hawaii; Department of Chemistry and Department of Astronomy, University of Illinois at Urbana-Champaign