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Overexpression of Sweet Pepper Glycerol-3-Phosphate Acyltransferase Gene Enhanced Thermotolerance of Photosynthetic Apparatus in Transgenic Tobacco

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Journal of Integrative Plant Biology 2008年第5期50卷 613-621页

作者： kun yan na chen yan-yan qu xin-chun dong qing-wei meng shi-jie zhao College of Life Sciences State Key Laboratory of Crop Biology Shandong Agricultural University Tai'an 271018 China

In order to investigate the relationship between the lipid composition in thylakoid membrane and thermostability of photosynthetic apparatus, tobacco transformed with sweet pepper sense glycerol-3-phosphate acyltransferase （GPAT） gene were used to analyze the lipid composition in thylakoid membrane, the net photosynthetic rate and chlorophyll fluorescence parameters under high temperature stress. The results showed that the saturated extent of monogalactosyldiacylglycerol （MGDG）, sulfoquinovosyldiacylglycerol, digalactosyldiacylglycerol and phosphatidylglycerol in thylakoid membrane of transgenic tobacco T1 lines increased generally. Particularly, the saturated extent in MGDG increased obviously by 16.2% and 12.6% in T1-2 and T1-1, respectively. With stress temperature elevating, the maximum efficiency of photosystem Ⅱ （PSⅡ） photochemistry （Fv/Fm）, actual photochemical efficiency of PSll in the light （ФPSⅡ） and net photosynthetic rate （Pn） of the two lines and wild type tobacco plants decreased gradually, but those parameters decreased much less in transgenic plants. Even though the recovery process appeared differently in the donor and acceptor side of PSⅡ in transgenic tobacco compared with wild-type plants, the entire capability of PSⅡ recovered faster in transgenic tobacco, which was shown in the parameters of PI, Fv/Fm and ФPSⅡ, as a result, the recovery of Pn was accelerated. Conclusively, we proposed that the increase in saturated extent of thylakoid membrane lipids in transgenic plants enhanced the stability of photosynthetic apparatus under high temperature stress.

关键词： glycerol-3-phosphate transferase lipids in thylakoid membrane photosynthesis thermotolerance tobacco.

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CEPC Technical Design Report

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Radiation Detection Technology and Methods 2024年第1期8卷 I0003-I0016,1-1091页

作者： Waleed Abdallah Tiago Carlos Adorno de Freitas Konstantin Afanaciev Shakeel Ahmad Ijaz Ahmed Xiaocong Ai Abid Aleem Wolfgang Altmannshofer Fabio Alves weiming An Rui An Daniele Paolo Anderle Stefan Antusch Yasuo Arai Andrej Arbuzov Abdesslam Arhrib Mustafa Ashry Sha Bai Yu Bai yang Bai Vipul Bairathi Csaba Balazs Philip Bambade Yong Ban Tripamo Bandyopadhyay Shou-Shan Bao Desmond P.Barber Ayse Bat Varvara Batozskaya Subash Chandra Behera Alexander Belyaev Michele Bertucci Xiao-Jun Bi Yuanjie Bi Tianjian Bian Fabrizio Bianchi Thomas Biekotter Michela Biglietti Shalva Bilanishvili Deng Binglin Denis Bodrov Anton Bogomyagkov Serge Bondarenko Stewart Boogert Maarten Boonekamp Marcello Borri Angelo Bosotti Vincent Boudry Mohammed Boukidi Igor Boyko Ivanka Bozovic Giuseppe Bozzi Jean-Claude Brient Anastasiia Budzinskaya Masroor Bukhari Vladimir Bytev Giacomo Cacciapaglia Hua Cai Wenyong Cai Wujun Cai Yijian Cai Yizhou Cai Yuchen Cai Haiying Cai Huacheng Cai Lorenzo Calibbi Junsong Cang Guofu Cao Jianshe Cao Antoine Chance Xuejun Chang Yue Chang Zhe Chang xinyuan Chang wei Chao Auttakit Chatrabhuti Yimin Che Yuzhi Che Bin chen Danping chen Fuqing chen Fusan chen Gang chen Guoming chen Hua-xing chen Huirun chen Jinhui chen Ji-Yuan chen Kai chen Mali chen Mingjun chen Mingshui chen Ning chen Shanhong chen Shanzhen chen Shao-Long chen Shaomin chen shiqiang chen Tianlu chen wei chen Xiang chen Xiaoyu chen xin chen Xun chen Xurong chen Ye chen Ying chen Yukai chen Zelin chen Zilin chen Gang chen Boping chen chunhui chen Hok Chuen cheng Huajie cheng Shan cheng Tongguang cheng Yunlong Chi Pietro Chimenti Wen Han Chiu Guk Cho Ming-chung Chu Xiaotong Chu Ziliang Chu Guglielmo Coloretti Andreas Crivellin Hanhua Cui Xiaohao Cui zhaoyuan Cui Brunella D'Anzi Ling-Yun Dai xinchen Dai Xuwen Dai Antonio De Maria Nicola De Filippis Christophe De La Taille Francesca De Mori Chiara De Sio Elisa Del Core Shuangxue Deng wei-Tian Deng Zhi Deng Ziyan Deng Bhupal Dev Tang Dewen Biagio Di Micco Ran Ding Siqin Dingl Yadong Ding Haiyi dong Jianin AGH University of Science and Technology Faculty of Physics and Applied Computer ScienceKrakow Anhui University HefeiAnhui Applied Physics Department Federal Urdu University of ArtsScience and TechnologyIslamabad Banaras Hindu University Institute of ScienceVaranasi Bandirma Onyedi Eylul University Bandirma Beihang University Beijing Beijing Computational Science Research Center Beijing Beijing Conveyi LTD Beijing Beijing Glass Research Institute Co. LtdBeijing Beijing Institute of Technology Beijing Beijing Normal University Beijing Brown University ProvidenceRI Budker Institute of Nuclear Physics Novosibirsk Cadi Ayyad University Laboratory of Fundamental and Applied PhysicsPolydisciplinary FacultyMarrakech Cairo University Giza Center for Theory and Computation National Tsing Hua UniversityHsinchu Central China Normal University WuhanHubei Central South University ChangshaHunan Centro de Fisica Teorica de Particulas Universidade Tecnica de LisboaLisboa chengdu KaitengSifang Digital Radio&TV Equipment Co. LtdChengduSichuan China academy of engineering physics MianyangSichuan China building materials academy Beijing China Center of Advanced Science and Technology Beijing China Institute of Atomic Energy Beijing China Jiliang University HangzhouZhejiang China Nuclear Instrument CO. LTDBeijing China University of Geosciences Beijing China University of Geosciences WuhanHubei China University of Mining and Technology XuzhouJiangsu China West Normal University NanchongSichuan Chongqing University Department of PhysicsChongqing Chulalongkorn University Bangkok City University of Hong Kong Department of PhysicsHong Kong Cockcroft Institute Daresbury Cornell University IthacaNY CPPM(AMU/IPhU&CNRS/INP) Marseille Dalian Minzu University DalianLiaoning Dalian University of Technology Department of PhysicsDalian Deutsches Elektronen-Synchrotron DESY Hamburg Dzhelepov Laboratory of Nuclear Problems of Joint Institute for Nuclear Research(DLNP JINR) Dubna East China University Of Science And Technol

The Circular Electron Positron Collider(CEPC)is a large scientific project initiated and hosted by China,fostered through extensive collaboration with international *** complex comprises four accelerators:a 30 GeV Linac,a 1.1 GeV Damping Ring,a Booster capable of achieving energies up to 180 GeV,and a Collider operating at varying energy modes(Z,W,H,and tt).The Linac and Damping Ring are situated on the surface,while the subterranean Booster and Collider are housed in a 100 km circumference underground tunnel,strategically accommodating future expansion with provisions for a potential Super Proton Proton Collider(SPPC).The CEPC primarily serves as a Higgs *** its baseline design with synchrotron radiation(SR)power of 30 MW per beam,it can achieve a luminosity of 5×10^(34)cm^(-2)s^(-1)per interaction point(IP),resulting in an integrated luminosity of 13 ab^(-1)for two IPs over a decade,producing 2.6 million Higgs *** the SR power to 50 MW per beam expands the CEPC's capability to generate 4.3 million Higgs bosons,facilitating precise measurements of Higgs coupling at sub-percent levels,exceeding the precision expected from the HL-LHC by an order of *** Technical Design Report(TDR)follows the Preliminary Conceptual Design Report(Pre-CDR,2015)and the Conceptual Design Report(CDR,2018),comprehensively detailing the machine's layout,performance metrics,physical design and analysis,technical systems design,R&D and prototyping efforts,and associated civil engineering ***,it includes a cost estimate and a preliminary construction timeline,establishing a framework for forthcoming engineering design phase and site selection *** is anticipated to begin around 2027-2028,pending government approval,with an estimated duration of 8 *** commencement of experiments and data collection could potentially be initiated in the mid-2030s.

关键词： initiated exceeding precise

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Identification of quantitative trait loci and candidate genes controlling seed pigments of rapeseed

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Journal of Integrative Agriculture 2021年第11期20卷 2862-2879页

作者： ZHU Mei-chen HU Ran zhao Hui-yan TANG Yun-shan shi Xiang-tian JIANG Hai-yan ZHANG Zhi-yuan FU Fu-you XU xin-fu TANG Zhang-lin LIU Lie-zhao LU kun LI Jia-na qu Cun-min Chongqing Engineering Research Center for Rapeseed/College of Agronomy and Biotechnology Southwest University/Academy of Agricultural SciencesSouthwest UniversityChongqing 400716P.R.China Agriculture and Agri-Food Canada Saskatoon Research CentreSaskatoon S7N02XCanada

Rapeseed(Brassica napus L.)is an important source of edible vegetable oil and feed protein;however,seed pigments affect the quality of rapeseed oil and the feed value of the residue from oil ***,we used a population of rapeseed recombinant inbred lines(RILs)derived from the black-seeded male parent cultivar Zhongyou 821 and the yellow-seeded female parent line GH06 to map candidate genes controlling seed pigments in embryos and the seed *** detected 94 quantitative trait loci(QTLs)for seed pigments(44 for embryos and 50 for seed coat),distributed over 15 of the 19 rapeseed *** included 28 QTLs for anthocyanidin content,explaining 2.41–44.66% of phenotypic variation;24 QTLs for flavonoid content,explaining 2.41–20.26% of phenotypic variation;16 QTLs for total phenol content,accounting for 2.74–23.68% of phenotypic variation;and 26 QTLs for melanin content,accounting for 2.37–24.82% of phenotypic variation,indicating that these traits are under multigenic *** regions on chromosomes A06,A09 and C08 were associated with multiple seed pigment traits,including 15,19 and 10 QTLs,respectively,most of which were major QTLs explaining>10% of the phenotypic *** on the annotation of the ***"Darmor-bzh"reference genome,67 candidate genes were predicted from these consensus QTLs regions,and 12 candidate genes were identified as potentially involved in pigment accumulation by Rna-seq and qRT-PCR *** preliminary results provide insight into the genetic architecture of pigment biosynthesis and lay a foundation for exploring the molecular mechanisms underlying seed coat color in ***.

关键词： Brassica napus L. embryo seed coat pigments QTL

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Neutralizing Antibody Responses against Five SARS-CoV-2 Variants and T Lymphocyte Change after Vaccine Breakthrough Infections from the SARS-CoV-2 Omicron BA.1 Variant in Tianjin, China: A Prospective Study

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Biomedical and Environmental Sciences 2023年第7期36卷 614-624页

作者： ZHANG Ying qu Jiang Wen ZHENG Min na DING Ya xing chen wei YE Shao dong LI Xiao yan LI yan kun LIU Ying ZHU Di JIN Can Rui WANG LIN yanG Jin Ye ZHAI Yu WANG Er Qiang meng xing Tianjin Center for Disease Control and Prevention Tianjin 300011China Tianjin Key Laboratory of Pathogenic Microbiology of Infectious Disease Tianjin 300011China national Center for AIDS/STD Control and Prevention Chinese Center for Disease Control and PreventionBeijing 102206China Sinovac Biotech Ltd Beijing 100085China

Objective To investigate whether Omicron BA.1 breakthrough infection after receiving the SARS-CoV-2 vaccine could create a strong immunity *** Blood samples were collected at two different time points from 124 Omicron BA.1 breakthrough infected patients and 124 controls matched for age,gender,and vaccination *** virus-neutralizing antibodies against five SARS-CoV-2 variants,including WT,Gamma,Beta,Delta,and Omicron BA.1,and T-lymphocyte lymphocyte counts in both groups were measured and statistically *** The neutralizing antibody titers against five different variants of SARS-CoV-2 were significantly increased in the vaccinated population infected with the Omicron BA.1 variant at 3 months after infection,but mainly increased the antibody level against the WT strain,and the antibody against the Omicron strain was the *** neutralizing antibody level decreased rapidly 6 months after *** T-lymphocyte cell counts of patients with mild and moderate disease recovered at 3 months and completely returned to the normal state at 6 *** Omicron BA.1 breakthrough infection mainly evoked humoral immune memory in the original strain after vaccination and hardly produced neutralizing antibodies specific to Omicron *** antibodies against the different strains declined rapidly and showed features similar to those of ***,T-lymphocytes may play an important role in recovery.

关键词： SARS-CoV-2 COVID-19 Omicron BA.1 T cells Neutralizing antibodies

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高温胁迫下转甜椒正义甘油-3-磷酸酰基转移酶基因(GPAT)烟草缓解PSⅡ光抑制

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中国农业科学 2007年第11期40卷 2468-2473页

作者：颜坤陈娜曲妍妍郭峰孟庆伟赵世杰山东农业大学生命科学学院/作物生物学国家重点实验室中国科学院植物研究所

【目的】探讨类囊体膜脂组成与高温光抑制的关系。【方法】以转甜椒正义甘油-3-磷酸酰基转移酶基因(GPAT)的烟草植株为试验材料,测定了类囊体膜脂组成,高温胁迫后的光合参数和叶绿素荧光参数。【结果】转基因烟草植株类囊体膜的单半乳... 详细信息

【目的】探讨类囊体膜脂组成与高温光抑制的关系。【方法】以转甜椒正义甘油-3-磷酸酰基转移酶基因(GPAT)的烟草植株为试验材料,测定了类囊体膜脂组成,高温胁迫后的光合参数和叶绿素荧光参数。【结果】转基因烟草植株类囊体膜的单半乳糖甘油二脂(MGDG),双半乳糖甘油二脂(DGDG),硫代异鼠李糖甘油二脂(SQDG)和磷脂酰甘油(PG)的饱和程度均上升,其中MGDG饱和程度增加了16.2%,上升幅度最为显著。随胁迫温度的升高,转基因烟草植株与野生型植株Fv/Fm,ΦPSⅡ和Pn逐渐下降,但转基因植株下降幅度小于野生型,48℃时差异最为显著。【结论】转基因烟草植株类囊体膜脂脂肪酸饱和度增加,提高了PSⅡ热稳定性,缓解了PSⅡ光抑制。

关键词：甜椒甘油-3-磷酸酰基转移酶基因烟草类囊体膜脂高温胁迫 PSⅡ光抑制

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Interleukin-37 promotes colitis-associated carcinogenesis via SIGIRR-mediated cytotoxic T cells dysfunction

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Signal Transduction and Targeted Therapy 2022年第2期7卷 502-518页

作者： Zhen Wang Fan-lian Zeng Ya-wen Hu Xiao-yan Wang Fu-lei zhao Pei Zhou Jing Hu Yuan-yuan Xiao Zhong-lan Hu Ming-feng Guo Xiao-qiong wei Xiao Liu Nong-yu Huang Jun Zhang Shu-wen chen Juan cheng Hua-ping Zheng Hong Zhou Qi-xiang zhao chen Zhang yan Hao Song Zou Yi-yue Gui Jia-dong Yu Lin-na Gu cheng-cheng Yue Hao-zhou Zhang Wen-ling Wu Yi-fan Zhou Xi-kun Zhou Guo-bo Shen Xiu Teng Jiong Li State Key Laboratory of Biotherapy and Cancer Center West China HospitalWest China Medical SchoolSichuan University and Collaborative Innovation Center for BiotherapyChengduSichuan 610041China Department of Liver Surgery&Liver Transplantation West China HospitalSichuan University and Collaborative Innovation Center of BiotherapyChengduSichuan 610041China Laboratory of Liver Surgery West China HospitalSichuan UniversityChengduSichuan 610041China Department of Obstetrics and Gynecology West China Second University HospitalSichuan UniversityChengdu 610041China Key Laboratory of Birth Defects and Related Diseases of Women and Children Ministry of EducationSichuan UniversityChengdu 610041China Department of Cardiovascular Medicine West China HospitalSichuan UniversityChengduSichuan 610041China Laboratory of Human Disease and Immunotherapies West China HospitalSichuan UniversityChengduSichuan 610041China

Interleukin-37b(hereafter called IL-37)was identified as fundamental inhibitor of natural and acquired *** molecular mechanism and function of IL-37 in colorectal cancer(CRC)has been ***,we found that IL-37 transgenic(IL-37tg)mice were highly susceptible to colitis-associated colorectal cancer(CAC)and suffered from dramatically increased tumor burdens in ***,IL-37 is dispensable for intestinal mutagenesis,and CRC cell proliferation,apoptosis,and ***,IL-37 dampened protective cytotoxic T cell-mediated immunity in CAC and B16-OVA ***8^(+)T cell dysfunction is defined by reduced retention and activation as well as failure to proliferate and produce cytotoxic cytokines in IL-37tg mice,enabling tumor evasion of immune *** dysfunction led by IL-37 antagonizes IL-18–induced proliferation and effector function of CD8+T cells,which was dependent on SIGIRR(single immunoglobulin interleukin-1 receptor-related protein).Finally,we observed that IL-37 levels were significantly increased in CRC patients,and positively correlated with serum CRC biomarker CEA levels,but negatively correlated with the CD8+T cell infiltration in CRC *** findings highlight the role of IL-37 in harnessing antitumor immunity by inactivation of cytotoxic T cells and establish a new defined inhibitory factor IL-37/SIGIRR in cancerimmunity cycle as therapeutic targets in CRC.

关键词： immunity cytotoxic Interleukin

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Timing analysis of the black hole candidate EXO 1846–031 with Insight-HXMT monitoring

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Research in Astronomy and Astrophysics 2021年第3期21卷 193-204页

作者： He-xin Liu Yue Huang Guang-cheng Xiao qing-Cui Bu Jin-Lu qu Shu Zhang Shuang-nan Zhang Shu-Mei Jia Fang-Jun Lu Xiang Ma Lian Tao wei Zhang Li chen Li-Ming Song Ti-Pei Li Yu-Peng Xu Xue-Lei Cao Yong chen Cong-Zhan Liu Ce Cai Zhi Chang Gang chen Tian-Xiang chen Yi-Bao chen Yu-Peng chen wei Cui wei-wei Cui Jing-Kang Deng Yong-wei dong Yuan-Yuan Du Min-Xue Fu Guan-Hua Gao He Gao Min Gao Ming-Yu Ge Yu-dong Gu Ju Guan cheng-cheng Guo Da-wei Han Jia Huo Lu-Hua Jiang wei-chun Jiang Jing Jin Yong-jie Jin Ling-Da Kong Bing Li cheng-Kui Li Gang Li Mao-Shun Li wei Li Xian Li Xiao-Bo Li Xu-Fang Li yang-Guo Li Zheng-wei Li Xiao-Hua Liang Jing-Yuan Liao Bai-Sheng Liu Guo-qing Liu Hong-wei Liu Xiao-Jing Liu Yi-Nong Liu Bo Lu Xue-Feng Lu Qi Luo Tao Luo Bin meng Yi nang Jian-Yin Nie Ge Ou na Sai Ren-cheng Shang xin-Ying Song Liang Sun Ying Tan You-Li Tuo chen Wang Guo-Feng Wang Juan Wang Ling-Jun Wang Weng-Shuai Wang Yu-Sa Wang Xiang-yang Wen Bai-yang Wu Bo-Bing Wu Mei Wu Shuo Xiao Shao-Lin Xiong He Xu Jia-wei yang Sheng yang yan-Ji yang Yi-Jung yang Qi-Bin Yi Qian-qing Yin Yuan You Ai-Mei Zhang cheng-Mo Zhang Fan Zhang Hong-Mei Zhang Juan Zhang Tong Zhang Wan-Chang Zhang Wen-zhao Zhang Yi Zhang Yi-Fei Zhang Yong-jie Zhang Yuan-Hang Zhang Yue Zhang zhao Zhang Zhi Zhang Zi-Liang Zhang Hai-Sheng zhao Xiao-Fan zhao shi-jie Zheng Yao-Guang Zheng Deng-Ke Zhou Jian-Feng Zhou Yu-Xuan Zhu Ren-Lin Zhuang Yue Zhu Key Laboratory of Particle Astrophysics Institute of High Energy PhysicsChinese Academy of SciencesBeijing 100049China University of Chinese Academy of Sciences Chinese Academy of SciencesBeijing 100049China Institut fur Astronomie und Astrophysik Kepler Center for Astro and Particle PhysicsEberhard Karls Universität72076 TubingenGermany Department of Astronomy Beijing Normal UniversityBeijing 100088China Department of Astronomy Tsinghua UniversityBeijing 100084China Department of Physics Tsinghua UniversityBeijing 100084China Department of Engineering Physics Tsinghua UniversityBeijing 100084China Key Laboratory of Space Astronomy and Technology National Astronomical ObservatoriesChinese Academy of SciencesBeijing 100101China College of Physics Sciences&Technology Hebei UniversityBaoding 071002Hebei ProvinceChina

We present the observational results from a detailed timing analysis of the black hole candidate EXO 1846-031 during its outburst in 2019 with the observations of Insight-HXMT,NICER and *** outburst can be classified roughly into four different ***-C quasi-periodic oscillations(QPOs)observed by NICER(about 0.1-6 Hz)and Insight-HXMT(about 0.7-8 Hz)are also reported in this ***,we study various physical quantities related to QPO *** QPO rms-frequency relationship in the energy band 1-10 keV indicates that there is a turning pointing in frequency around2 Hz,which is similar to that of GRS 1915+105.A possible hypothesis for the relationship above may be related to the inclination of the source,which may require a high inclination to explain *** relationships between QPO frequency and QPO rms,hardness,total fractional rms and count rate have also been found in other transient sources,which can indicate that the origin of type-C QPOs is non-thermal.

关键词： X-ray binaries black hole candidate QPO EXO 1846–031

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关于二灰碎石基层的试验研究

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华东交通大学学报 2005年第2期22卷 47-49页

作者：赵晓晴屈娜陈冬燕长安大学公路学院陕西西安710064

二灰碎石基层由于优良的路用性能而常作为高等级路面的基层,其质量的好坏会直接影响道路路面的质量和寿命.在本文中,做了一些试验,辨别是粉煤灰的活性低还是石灰质量影响试件7d饱水无侧限抗压强度,导致试件强度崩塌.

关键词：二灰碎石基层试验研究无侧限抗压强度高等级路面路用性能道路路面直接影响质量影响试件强度粉煤灰

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

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Science China(Physics,Mechanics & Astronomy) 2018年第3期61卷 26-33页

作者： 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 Key Laboratory of Particle Astrophysics Institute of High Energy Physics Chinese Academy of Sciences Beijing 100049 China Department of Physics Tsinghua University Beijing 100084 China University of Chinese Academy of Sciences Chinese Academy of Sciences Beijing 100049 China Department of Astronomy Beijing Normal University Beijing 100088 China Department of Engineering Physics Tsinghua University Beijing 100084 China

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, cosmology 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 （M000 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 unexpected weak and soft nature of GRB 170817A. Meanwhile, Insight-HXMT/HE provides one of the most stringent constraints （-10-7 to 104 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.

关键词： GW170817 BNS merger gravitational wave electromagnetic counterpart

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Overview to the Hard X-ray Modulation Telescope (Insight-HXMT) Satellite

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Science China(Physics,Mechanics & Astronomy) 2020年第4期63卷 2-19页

作者： Shuang-nan Zhang TiPei Li FangJun Lu LiMing Song YuPeng X u CongZhan Liu Yong chen XueLei Cao qingCui Bu Zhi Chang Gang chen Li chen TianXiang chen YiBao chen YuPeng chen wei Cui weiwei Cui JingKang Deng Yongwei dong Yuan Yuan Du MinXue Fu GuanHua Gao He Gao Min Gao MingYu Ge Yudong Gu Ju Guan Can Gungor 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 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 Rencheng Shang GuoHong Shen Liang Sun Ying Tan Lian Tao YouLi Tuo chen Wang chunQin Wang GuoFeng Wang HuanYu Wang Juan Wang WenShuai Wang YuSa Wang Xiangyang Wen Baiyang Wu BoBing Wu Mei Wu Guangcheng Xiao ShaoLin Xiong LinLi yan Jiawei yang Sheng yang yanJi yang QiBin Yi Bin Yuan AiMei Zhang chunLei Zhang chengMo Zhang Fan Zhang HongMei Zhang Juan Zhang Qiang Zhang ShenYi Zhangs Shu Zhang Tong Zhang WanChang Zhang wei Zhang Wenzhao Zhang Yi Zhang YiFei Zhang Yongjie Zhang Yue Zhang zhao Zhang Zhi Zhang ZiLiang Zhang HaiSheng zhao XiaoFan zhao shijie Zheng JianFeng Zhou YuXuan Zhu Yue Zhu RenLin Zhuang Key Laboratory of Particle Astrophysics Institute of High Energy PhysicsChinese Academy of SciencesBeijing 100049China University of Chinese Academy of Sciences Beijing 100049China Department of Astronomy Tsinghua UniversityBeijing 100084China Department of Physics Tsinghua UniversityBeijing 100084China Department of Astronomy Beijing Normal UniversityBeijing 100088China Department of Engineering Physics Tsinghua UniversityBeijing 100084China national Astronomical Observatories Chinese Academy of SciencesBeijing 100101China national Space Science Center Chinese Academy of SciencesBeijing 100190China

As China’s first X-ray astronomical satellite, the Hard X-ray Modulation Telescope (HXMT), which was dubbed as Insight-HXMT after the launch on June 15, 2017, is a wide-band(1-250 ke V) slat-collimator-based X-ray astronomy satellite with the capability of all-sky monitoring in 0.2-3 Me V. It was designed to perform pointing, scanning and gamma-ray burst(GRB)observations and, based on the Direct Demodulation Method (DDM), the image of the scanned sky region can be *** we give an overview of the mission and its progresses, including payload, core sciences, ground calibration/facility, ground segment, data archive, software, in-orbit performance, calibration, background model, observations and some preliminary results.

关键词： X-and γ-ray telescopes and instrumentation neutron stars black holes X-ray binaries γ-ray bursts

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