Image Details
Caption: Figure 2.
[Sr/Fe] versus [Fe/H] for the 97-star working sample. (a) Full sample with the 25 low-[Sr/Ba] stars highlighted against the H19 Model B track. (b) Zoom-in on the low-[Sr/Ba] stars, showing Group 1 near the Model B plateau and Group 2 with a metallicity-dependent trend; open symbols indicate candidate members.
© 2026. The Author(s). Published by the American Astronomical Society.