Probing the He II re-Ionization ERa via Absorbing C IV Historical Yield (HIERACHY) II: Project Design, Current Status, and Examples of Initial Data Products

Jiang-Tao Li, Xiaodi Yu, Huiyang Mao +22

The He II reionization epoch is expected to take place at $z\sim 3-5$. In this stage, the helium and metals in the inter-galactic medium (IGM) are further ionized with additional co…