Probing the nature of high-z short GRB 090426 with its early optical and X-ray afterglows

  title={Probing the nature of high-z short GRB 090426 with its early optical and X-ray afterglows},
  author={Liping Xin and Enwei Liang and Jianyan Wei and Bing Zhang and Houjun Lv and Weikang Zheng and Yuji Urata and Myungshin Im and Jing Wang and Yu-lei Qiu and Jinsong Deng and Kuiyun Huang and Jing-yao Hu and Yiseul Jeon and Huali Li and Xuhui Han},
  journal={Monthly Notices of the Royal Astronomical Society},
GRB 090426 is a short-duration burst detected bySwift (T90 ∼ 1.28 s in the observer frame and T90 ∼ 0.33 s in the burst frame at z = 2.609). Its host galaxy properties and some gamma-rayrelated correlations are analogous to those seen in long-duration gamma-ray bursts (GRBs), which are believed to be of a massive star origin (so-called Type II GRBs). We present the results of its early optical observations with the 0.8-m Tsinghua University–National Astronomical Observatory of China Telescope… Expand

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