Sr and Ba yields of the First Generation(s) of stars: Constraints from metal-poor stars

Sarah Hughes, Anna Frebel, Xiaowei Ou +6

We present our chemical abundance analysis of ten new extremely metal-poor stars with $-4.05\leq\mbox{[Fe/H]}\leq-2.33$, based on high-resolution (R $\sim 28,000$) Magellan/MIKE spe…