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题名: Variability of the giant X-ray bump in GRB 121027A and its possible origin
作者: Hou, SJ ;  Gao, H ;  Liu, T ;  Gu, WM ;  Lin, DB ;  Li, YP ;  Men, YP ;  Wu, XF ;  Lei, WH ;  Lu, JF
刊名: MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
出版日期: 2014
卷号: 441, 期号:3, 页码:2375-2379
关键词: DOMINATED ACCRETION DISKS ;  KERR BLACK-HOLES ;  JET PRECESSION ;  LIGHT CURVES ;  VERTICAL STRUCTURE ;  BURSTS ;  FLARES ;  EVOLUTION ;  PROMPT ;  MODELS
学科分类: Physics
DOI: 10.1093/mnras/stu682
通讯作者: Liu, T (reprint author), Xiamen Univ, Dept Astron, Xiamen 361005, Fujian, Peoples R China.
部门归属: [Hou, Shu-Jin ;  Liu, Tong ;  Gu, Wei-Min ;  Li, Ya-Ping ;  Lu, Ju-Fu] Xiamen Univ, Dept Astron, Xiamen 361005, Fujian, Peoples R China ;  [Hou, Shu-Jin ;  Liu, Tong ;  Gu, Wei-Min ;  Li, Ya-Ping ;  Lu, Ju-Fu] Xiamen Univ, Inst Theoret Phys & Astrophys, Xiamen 361005, Fujian, Peoples R China ;  [Hou, Shu-Jin ;  Lei, Wei-Hua] Chinese Acad Sci, Purple Mt Observ, Nanjing 210008, Jiangsu, Peoples R China ;  [Hou, Shu-Jin ;  Liu, Tong] Chinese Acad Sci, Key Lab Struct & Evolut Celestial Objects, Kunming 650011, Yunnan, Peoples R China ;  [Gao, He] Univ Nevada, Dept Phys & Astron, Las Vegas, NV 89154 USA ;  [Liu, Tong] Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China ;  [Lin, Da-Bin] Guangxi Univ, Dept Phys, Nanning 530004, Guangxi, Peoples R China ;  [Lin, Da-Bin] Guangxi Univ, GXU NAOC Ctr Astrophys & Space Sci, Nanning 530004, Guangxi, Peoples R China ;  [Men, Yun-Peng ;  Lei, Wei-Hua] Huazhong Univ Sci & Technol, Sch Phys, Wuhan 430074, Hunan, Peoples R China
英文摘要: The giant X-ray bump of GRB 121027A observed by Swift is different from the typical X-ray flares in gamma-ray bursts. The observed structural variability in the rise and decay phases of the bump has four components. Of these four components, only the data in the bump from about 5300 to about 6100 s is of good enough quality to be analysed using the stepwise filter correlation method. A 86(-9.4)(+5.9)s periodic oscillation is postulated, which is confirmed by the Lomb-Scargle method. A jet precession model is proposed to account for this variability.
资助者: National Basic Research Program of China (973 Program) [2014CB845800]; National Natural Science Foundation of China [11103015, 11163003, 11222328, 11233006, 11333004, 11373002, U1331101]; CAS Open Research Program of Key Laboratory for the Structure and Evolution of Celestial Objects [OP201305]; Natural Science Foundation of Fujian Province of China [2012J01026]; One-Hundred-Talents Program; Youth Innovation Promotion Association; Strategic Priority Research Program 'The Emergence of Cosmological Structures' of the Chinese Academy of Sciences [XDB09000000]
收录类别: SCI
原文出处: 查看原文
语种: 英语
WOS记录号: WOS:000338763600044
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/15724
Appears in Collections:理论物理所2014年知识产出 _期刊论文

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Recommended Citation:
Hou, SJ,Gao, H,Liu, T,et al. Variability of the giant X-ray bump in GRB 121027A and its possible origin[J]. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,2014,441(3):2375-2379.
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