Pop III暴:未来调查中事件率的估计
Pop III GRBs: an estimative of the event rate for future surveys
摘要:
讨论了大质量原始恒星坍缩产生的伽马射线暴的理论事件率。我们构建了一个理论模型来计算这些伽玛暴的速率和可探测性,同时考虑到所有重要的反馈和最近的原始气体的数值模拟结果。我们预计在z > 6处用\textit{Swift}积分每年最多能观察到N个$\lesssim$ 0.2 GRB,在z> 6处用EXIST积分每年最多能观察到N个$\lesssim$ 10 GRB。
英文摘要:
We discuss the theoretical event rate of gamma-ray bursts (GRBs) from the collapse of massive primordial stars. We construct a theoretical model to calculate the rate and detectability of these GRBs taking into account all important feedback and recent results from numerical simulations of pristine gas. We expect to observe a maximum of N $\lesssim$ 0.2 GRBs per year integrated over at z > 6 with \textit{Swift} and N $\lesssim$ 10 GRBs per year integrated over at z > 6 with EXIST.
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