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Insight-HXMT observations of the first binary neutron star merger GW170817

Submit Time: 2017-11-10
Author: TiPei Li 1,2,3 ; ShaoLin Xiong 1 ; ShuangNan Zhang 1,3 ; FangJun Lu 1 ; LiMing Song 1 ; XueLei Cao 1 ; Zhi Chang 1 ; Gang Chen 1 ; Li Chen 4 ; TianXiang Chen 1 ; Yong Chen 1 ; YiBao Chen 2 ; YuPeng Chen 1 ; Wei Cui 1,2 ; WeiWei Cui 1 ; JingKang Deng 2 ; YongWei Dong 1 ; YuanYuan Du 1 ; MinXue Fu 2 ; GuanHua Gao 1,3 ; He Gao 1,3 ; Min Gao 1 ; MingYu Ge 1 ; YuDong Gu 1 ; Ju Guan 1 ; ChengCheng Guo 1,3 ; DaWei Han 1 ; Wei Hu 1 ; Yue Huang 1 ; Jia Huo 1 ; ShuMei Jia 1 ; LuHua Jiang 1 ; WeiChun Jiang 1 ; Jing Jin 1 ; YongJie Jin 5 ; Bing Li 1 ; ChengKui Li 1 ; Gang Li 1 ; MaoShun Li 1 ; Wei Li 1 ; Xian Li 1 ; XiaoBo Li 1 ; XuFang Li 1 ; YanGuo Li 1 ; ZiJian Li 1,3 ; ZhengWei Li 1 ; XiaoHua Liang 1 ; JinYuan Liao 1 ; CongZhan Liu 1 ; GuoQing Liu 2 ; HongWei Liu 1 ; ShaoZhen Liu 1 ; XiaoJing Liu 1 ; Yuan Liu 1 ; YiNong Liu 5 ; Bo Lu 1 ; XueFeng Lu 1 ; Tao Luo 1 ; Xiang Ma 1 ; Bin Meng 1 ; Yi Nang 1,3 ; JianYin Nie 1 ; Ge Ou 1 ; JinLu Qu 1 ; Na Sai 1,3 ; Liang Sun 1 ; Yin Tan 1 ; Lian Tao 1 ; WenHui Tao 1 ; YouLi Tuo 1,3 ; GuoFeng Wang 1 ; HuanYu Wang 1 ; Juan Wang 1 ; WenShuai Wang 1 ; YuSa Wang 1 ; XiangYang Wen 1 ; BoBing Wu 1 ; Mei Wu 1 ; GuangCheng Xiao 1,3 ; He Xu 1 ; YuPeng Xu 1 ; LinLi Yan 1,3 ; JiaWei Yang 1 ; Sheng Yang 1 ; YanJi Yang 1 ; AiMei Zhang 1 ; ChunLei Zhang 1 ; ChengMo Zhang 1 ; Fan Zhang 1 ; HongMei Zhang 1 ; Juan Zhang 1 ; Qiang Zhang 1 ; Shu Zhang 1 ; Tong Zhang 1 ; Wei Zhang 1,3 ; WanChang Zhang 1 ; WenZhao Zhang 4 ; Yi Zhang 1 ; Yue Zhang 1,3 ; YiFei Zhang 1 ; YongJie Zhang 1 ; Zhao Zhang 2 ; ZiLiang Zhang 1 ; HaiSheng Zhao 1 ; JianLing Zhao 1 ; XiaoFan Zhao 1,3 ; ShiJie Zheng 1 ; Yue Zhu 1 ; YuXuan Zhu 1 ; ChangLin Zou 1 ;
Institute: 1.Key Laboratory of Particle Astrophysics, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China; 2.Department of Physics, Tsinghua University, Beijing 100084, China; 3.University of Chinese Academy of Sciences, Chinese Academy of Sciences, Beijing 100049, China; 4.Department of Astronomy, Beijing Normal University, Beijing 100088, China; 5.Department of Engineering Physics, Tsinghua University, Beijing 100084, China;

Abstracts

Finding the electromagnetic (EM) counterpart of binary compact star merger, especially the binary neutron star (BNS) merger, is critically important for gravitational wave (GW) astronomy, osmology and fundamental physics. On Aug. 17, 2017, Advanced LIGO and Fermi/GBM independently triggered the first BNS merger, GW170817, and its high energy EM counterpart, GRB 170817A, respectively, resulting in a global observation campaign covering gamma-ray, X-ray, UV, optical, IR, radio as well as neutrinos. The High Energy X-ray telescope (HE) onboard Insight-HXMT (Hard X-ray Modulation Telescope) is the unique high-energy gamma-ray telescope that monitored the entire GW localization area and especially the optical counterpart (SSS17a/AT2017gfo) with very large collection area (~1000 cm2) and microsecond time resolution in 0.2-5 MeV. In addition, Insight-HXMT quickly implemented a Target of Opportunity (ToO) observation to scan the GW localization area for potential X-ray emission from the GW source. Although Insight-HXMT did not detect any significant high energy (0.2-5 MeV) radiation from GW170817, its observation helped to confirm the nexpected weak and soft nature of GRB 170817A. Meanwhile, Insight-HXMT/HE provides one of the most stringent constraints (~10-7 to 10-6 erg/cm2/s) for both GRB170817A and any other possible precursor or extended emissions in 0.2-5 MeV, which help us to better understand the properties of EM radiation from this BNS merger. Therefore the observation of Insight-HXMT constitutes an important chapter in the full context of multi-wavelength and multi-messenger observation of this historical GW event.
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Keywords: HXMT; neutron star ;
Recommended references: TiPei Li,ShaoLin Xiong,ShuangNan Zhang,FangJun Lu,LiMing Song,XueLei Cao,Zhi Chang,Gang Chen,Li Chen,TianXiang Chen,Yong Chen,YiBao Chen,YuPeng Chen,Wei Cui,WeiWei Cui,JingKang Deng,YongWei Dong,YuanYuan Du,MinXue Fu,GuanHua Gao,He Gao,Min Gao,MingYu Ge,YuDong Gu,Ju Guan,ChengCheng Guo,DaWei Han,Wei Hu,Yue Huang,Jia Huo,ShuMei Jia,LuHua Jiang,WeiChun Jiang,Jing Jin,YongJie Jin,Bing Li,ChengKui Li,Gang Li,MaoShun Li,Wei Li,Xian Li,XiaoBo Li,XuFang Li,YanGuo Li,ZiJian Li,ZhengWei Li,XiaoHua Liang,JinYuan Liao,CongZhan Liu,GuoQing Liu,HongWei Liu,ShaoZhen Liu,XiaoJing Liu,Yuan Liu,YiNong Liu,Bo Lu,XueFeng Lu,Tao Luo,Xiang Ma,Bin Meng,Yi Nang,JianYin Nie,Ge Ou,JinLu Qu,Na Sai,Liang Sun,Yin Tan,Lian Tao,WenHui Tao,YouLi Tuo,GuoFeng Wang,HuanYu Wang,Juan Wang,WenShuai Wang,YuSa Wang,XiangYang Wen,BoBing Wu,Mei Wu,GuangCheng Xiao,He Xu,YuPeng Xu,LinLi Yan,JiaWei Yang,Sheng Yang,YanJi Yang,AiMei Zhang,ChunLei Zhang,ChengMo Zhang,Fan Zhang,HongMei Zhang,Juan Zhang,Qiang Zhang,Shu Zhang,Tong Zhang,Wei Zhang,WanChang Zhang,WenZhao Zhang,Yi Zhang,Yue Zhang,YiFei Zhang,YongJie Zhang,Zhao Zhang,ZiLiang Zhang,HaiSheng Zhao,JianLing Zhao,XiaoFan Zhao,ShiJie Zheng,Yue Zhu,YuXuan Zhu,ChangLin Zou.(2017).Insight-HXMT observations of the first binary neutron star merger GW170817.[ChinaXiv:201711.02257] (Click&Copy)
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[V1] 2017-11-10 15:12:52 chinaXiv:201711.02257V1 Download
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