Deuterium and ${}^{15}$N fractionation in N${}_2$H${}^{+}$ during the formation of a Sun-like star

M. De Simone, F. Fontani, C. Codella +7

Although chemical models predict that the deuterium fractionation in N${}_2$H${}^{+}$ is a good evolutionary tracer in the star formation process, the fractionation of nitrogen is still…