Herschel observations of interstellar chloronium. II - Detections toward G29.96-0.02, W49N, W51, and W3(OH), and determinations of the ortho-to-para and ${}^{35}$Cl/${}^{37}$Cl isotopic ratios

David A. Neufeld, John H. Black, Maryvonne Gerin +13

We report additional detections of the chloronium molecular ion, H${}_2$Cl${}^{+}$, toward four bright submillimeter continuum sources: G29.96, W49N, W51, and W3(OH). With the use of the…