Long Duration X-Ray Flash and X-Ray Rich Gamma Ray Burst from Low Mass Population III Star

Daisuke Nakauchi, Yudai Suwa, Takanori Sakamoto +2

Recent numerical simulations suggest that Population III (Pop III) stars were born with masses not larger than $\sim 100M_{\odot }$ but typically $\sim 40M_{\odot }$. By self-consis…