Interstellar Nitrogen Isotope Ratios: Measurements on tracers of C${}^{14}$N and C${}^{15}$N

J. L. Chen, J. S. Zhang, C. Henkel +6

The nitrogen isotope ratio 14N/15N is a powerful tool to trace Galactic stellar nucleosynthesis and constraining Galactic chemical evolution. Previous observations have found lower…