The Missing Link: Testing Galactic Chemical Evolution Models with the First Multi-Isotopic Abundances in Solar Twin Stars

David R. Coria, Ian J. M. Crossfield, Joshua Lothringer +3

We present the first isotopic abundances of both ${}^{13}$CO and C${}^{18}$O in solar twin stars and test the results against several galactic chemical evolution (GCE) models with diff…