An accurate set of H${}_3$O${}^{+}-$ H${}_2$ collisional rate coefficients for non-LTE modelling of warm interstellar clouds

Sándor Demes, François Lique, Alexandre Faure +1

Hydronium (H${}_3$O${}^{+}$) was first detected in 1986 in interstellar molecular clouds. It was reported in many galactic diffuse and dense regions, as well as in extragalactic sources.…