GRB

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伽马暴GRB 221009A的观测角限制
《天文学进展》2024年第4期650-655,共6页林一清 
福建自然科学基金(2021J011215);厦门市青年创新项目(3502Z20206077);厦门理工学院校级教研教改项目(JG2022-0123846)。
GRB 221009A被称为“史上最亮”(BOAT)的伽马射线暴,在所有波长下被许多卫星探测到。它是迄今为止观测到的具有最高各向同性能(E_(iso)≈1.5×10^(48)J)、离地球较近(红移为z=0.151)的伽马射线暴。伽马暴的辐射起源于相对论喷流,它们的...
关键词:伽马射线暴 喷流 相对论过程 
七氟醚联合丙帕他莫对老年腹腔镜手术患者mTOR/Grb信号通路及认知功能的影响
《临床和实验医学杂志》2024年第19期2119-2123,共5页何慧鑫 廖小棋 刘丹 蔡亚宏 
湖南省自然科学基金面上项目(编号:2020JJ4474);湖南中医药大学校级联合科研基金(编号:2020XJJJ048)。
目的探讨七氟醚联合丙帕他莫对老年腹腔镜手术患者认知功能、雷帕霉素靶蛋白(mTOR)/生长因子受体结合蛋白(Grb)信号通路的影响。方法前瞻性纳入2022年1月至2023年10月在湖南中医药大学第一附属医院择期行腹腔镜手术的82例老年患者作为...
关键词:七氟醚 丙帕他莫 腹腔镜手术 雷帕霉素靶蛋白 生长因子受体结合蛋白 认知功能 老年人 
GRB 210323A:Signature of Long-lasting Lifetime of Supra-massive Magnetar as the Central Engine from the Merger of Binary Neutron Star
《Research in Astronomy and Astrophysics》2024年第8期32-41,共10页Yingze Shan Xiaoxuan Liu Xing Yang Haoyu Yuan Houjun Lü 
supported by the Guangxi Science Foundation(grant No.2023GXNSFDA026007);the Program of Bagui Scholars Program(LHJ)。
Theoretically,a supra-massive neutron star or magnetar may be formed after the merger of binary neutron stars.GRB210323A is a short-duration gamma-ray burst(GRB)with a duration of lasting~1 s.The light curve of the pr...
关键词:(stars)gamma-ray burst general-(stars)gamma-ray burst individual(GRB 210323A)-stars MAGNETARS 
Observation of spectral lines in the exceptional GRB 221009A被引量:1
《Science China(Physics,Mechanics & Astronomy)》2024年第8期187-206,共20页Yan-Qiu Zhang Shao-Lin Xiong Ji-Rong Mao Shuang-Nan Zhang Wang-Chen Xue Chao Zheng Jia-Cong Liu Zhen Zhang Xi-Lu Wang Ming-Yu Ge Shu-Xu Yi Li-Ming Song Zheng-Hua An Ce Cai Xin-Qiao Li Wen-Xi Peng Wen-Jun Tan Chen-Wei Wang Xiang-Yang Wen Yue Wang Shuo Xiao Fan Zhang Peng Zhang Shi-Jie Zheng 
supported by the National Key R&D Program of China(Grant Nos.2021YFA0718500,and 2023YFE0101200);the Strategic Priority Research Program of Chinese Academy of Sciences(Grant Nos.XDA15360102,XDA15360300,and XDA15052700);the National Natural Science Foundation of China(Grant Nos.12273042,61234003,61434004,61504141,11673062,12393813,2333007,12027803,and 12303045);the CAS Interdisciplinary Project(Grant No.KJZD-EW-L11-04);supported by the Strategic Priority Research Program on Space Science(Grant No.XDA15360000)of the Chinese Academy of Sciences;supported by the Yunnan Revitalization Talent Support Program(Yun Ling Scholar Award)。
As the brightest gamma-ray burst ever observed,GRB 221009A provided a precious opportunity to explore spectral line features.In this article,we performed a comprehensive spectroscopy analysis of GRB 221009A jointly wi...
关键词:GRB GRB 221009A emission line 
GRB 210610B:The Internal and External Plateau as Evidence for the Delayed Outflow of Magnetar
《Research in Astronomy and Astrophysics》2024年第7期170-180,共11页Yi-Ning Wei Xiang-Gao Wang Da-Bin Lin Wei-Kang Zheng Liang-Jun Chen Sheng-Yu Yan Shuang-Xi Yi Qi Wang Zi-Min Zhou Hui-Ya Liu En-Wei Liang 
funded by the National Natural Science Foundation of China(Nos.12373042,U1938201,12273005 and 12133003);the Programme of Bagui Scholars Programme(WXG);support of the China Space Station Telescope(CSST)。
After launching a jet,outflows of magnetar were used to account for the achromatic plateau of afterglow and the early X-ray flux plateau known as“internal plateau”.The lack of detecting magnetic dipole emission toge...
关键词:(stars)gamma-ray burst individual(GRB 210610B)-(stars)gamma-ray burst general-stars jets 
Refinement of the Proposed Gamma-Ray Burst Time Delay Model
《International Journal of Astronomy and Astrophysics》2024年第2期120-147,共28页Godson Fortune Abbey Joseph Simfukwe Prospery Christopher Simpemba Saul Paul Phiri Alok Srivastava Golden Gadzirayi Nyambuya 
This paper is the second instalment in our study of the observed time delay in the arrival times of radio photons emanating from Gamma Ray Bursts (GRBs). The mundane assumption in contemporary physics as to the cause ...
关键词:Gamma-Ray Bursts (GRB) Photon Mass PLASMA Time Delay Fireball Model 
解读中子星
《大自然探索》2024年第6期28-29,共2页吴青(编译) 
运用一系列地面望远镜和以詹姆斯·韦布望远镜为主的空间望远镜,科学家于2023年3月观测到了异常明亮的伽马射线暴GRB230307A。被逐出家园的中子星GRB230307A的持续时间长达200秒,而常见的伽马射线暴持续时间都不到2秒,这说明GRB230307A...
关键词:伽马射线暴 中子星 地面望远镜 空间望远镜 GRB 持续时间 大质量恒星 科学家 
GRB 200612A:An Ultralong Gamma-Ray Burst Powered by Magnetar Spinning Down
《Research in Astronomy and Astrophysics》2024年第2期190-195,共6页陈良军 王祥高 杨德龙 梁恩维 
supported by the National Natural Science Foundation of China(Nos.U1938201 and 12373042)。
GRB 200612A could be classified as an ultralong gamma-ray burst due to its prompt emission lasting up to~1020 s and the true timescale of the central engine activity t_(burst)≥4×10^(4) s.The late X-ray light curve w...
关键词:(stars:)gamma-ray burst individual(GRB 200612A)-(stars:)gamma-ray burst general-stars MAGNETARS 
GRB 220408B:A Three-episode Burst from a Precessing Jet
《Research in Astronomy and Astrophysics》2023年第11期214-224,共11页Zijian Zhang Yi-Han Iris Yin Chenyu Wang Xiangyu Ivy Wang Jun Yang Yan-Zhi Meng Zi-Ke Liu Guo-Yin Chen Xiaoping Fu Huaizhong Gao Sihao Li Yihui Liu Xiangyun Long Yong-Chang Ma Xiaofan Pan Yuanze Sun Wei Wu Zirui Yang Zhizhen Ye Xiaoyu Yu Shuheng Zhao Xutao Zheng Tao Zhou Qing-Wen Tang Qiurong Yan Rong Zhou Zhonghai Wang Hua Feng Ming Zeng Bin-Bin Zhang 
support by the National Key Research and Development Programs of China(2022YFF0711404,2022SKA0130102);the National SKA Program of China(2022SKA0130100);the National Natural Science Foundation of China(grant Nos.11833003,U2038105,U1831135,12121003);the science research grants from the China Manned Space Project with NO.CMS-CSST-2021-B11;the Fundamental Research Funds for the Central Universities;the Program for Innovative Talents and Entrepreneur in Jiangsu;supported by the National Postdoctoral Program for Innovative Talents(grant No.BX20200164)。
Jet precession has previously been proposed to explain the apparently repeating features in the light curves of a few gamma-ray bursts(GRBs).In this paper,we further apply the precession model to a bright GRB 220408B ...
关键词:gamma-rays:general (stars:)gamma-ray burst:individual(GRB 220408B) stars:jets 
宇宙强“闪”
《天文爱好者》2023年第11期30-35,共6页何锐思 丁子瑜(译) 
天空中破纪录的闪光1967年,“船帆座”(Vela)卫星的研究员们在分析数据时发现了一个来自太空的短暂射线爆发。“船帆座”卫星原本的任务是监测可能违反1963年禁止核试验条约的核武器试验。一开始,所谓的射线暴(Gamma-raybursts,GRBs)被...
关键词:禁止核试验条约 太空望远镜 核武器试验 银河系 20世纪90年代以来 船帆座 GRB 星系 
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