The first CO+ image: Probing the HI/H2 layer around the ultracompact HII region Mon R2

S. P. Trevino-Morales, A. Fuente, A. Sanchez-Monge +12

The CO+ reactive ion is thought to be a tracer of the boundary between a HII region and the hot molecular gas. In this study, we present the spatial distribution of the CO+ rotatio…