Emergence of a lithium dip in ~35 Myr "Snake" Open Clusters

Yun-Yi Zhang, Hai-Jun Tian, Jian-Rong Shi +2

We report the discovery of a lithium dip (Li-dip) in the stellar "Snake" (age = $35\pm 5$ Myr), challenging the classical view that Li-dips emerge only at ages $\gtrsim 150$ Myr.…