Image Details
Caption: Figure 8.
(a) [C/N] as a function of [Fe/H] for subgiant stars. Slope shows the [Fe/H]–birth [C/N] relation. (b) [C/N] as a function of [Fe/H] for RGB stars. Star selection was limited to a narrow mass range in order to highlight the [C/N]–[Fe/H] relation.
© 2024. The Author(s). Published by the American Astronomical Society.