Sulfur monoxide as a tracer of the Galactic ${}^{32}$S/${}^{34}$S gradient

Yipeng Zou, Jiangshui Zhang, Dingyuan Wei +6

To date, the Galactic interstellar radial ${}^{32}$S/${}^{34}$S gradient has only been studied with the CS isotopologs, which may be affected by uncertainties due to the use of a singl…