Exploring giant barium stars: ${}^{12}\mathrm{C}{/}^{13}\mathrm{C}$ ratio and elemental abundances of carbon, nitrogen, and oxygen

M. P. Roriz, N. A. Drake, N. Holanda +4

Barium (Ba) stars belong to binary systems that underwent mass transfer events. As a consequence, their envelopes were enriched with material synthesized in the interiors of their…