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Variability of the giant X-ray bump in GRB 121027A and its possible origin
Hou, Shu-Jin1,2,3,4; Gao, He5; Liu, Tong1,2,4,6; Gu, Wei-Min1,2; Lin, Da-Bin7,8; Li, Ya-Ping1,2; Men, Yun-Peng9; Wu, Xue-Feng; Lei, Wei-Hua3,9; Lu, Ju-Fu1,2
2014-07-01
Source PublicationMONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
ISSN0035-8711
Volume441Issue:3Pages:2375-2379
AbstractThe 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.
KeywordAccretion, Accretion Discs Black Hole Physics Gamma-ray Burst: Individual: Grb 121027a
WOS HeadingsScience & Technology ; Physical Sciences
DOI10.1093/mnras/stu682
WOS KeywordDOMINATED ACCRETION DISKS ; KERR BLACK-HOLES ; JET PRECESSION ; LIGHT CURVES ; VERTICAL STRUCTURE ; BURSTS ; FLARES ; EVOLUTION ; PROMPT ; MODELS
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Indexed BySCI
Language英语
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS IDWOS:000338763600044
Citation statistics
Cited Times:13[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://libir.pmo.ac.cn/handle/332002/10606
Collection南极天文中心
Affiliation1.Xiamen Univ, Dept Astron, Xiamen 361005, Fujian, Peoples R China
2.Xiamen Univ, Inst Theoret Phys & Astrophys, Xiamen 361005, Fujian, Peoples R China
3.Chinese Acad Sci, Purple Mt Observ, Nanjing 210008, Jiangsu, Peoples R China
4.Chinese Acad Sci, Key Lab Struct & Evolut Celestial Objects, Kunming 650011, Yunnan, Peoples R China
5.Univ Nevada, Dept Phys & Astron, Las Vegas, NV 89154 USA
6.Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China
7.Guangxi Univ, Dept Phys, Nanning 530004, Guangxi, Peoples R China
8.Guangxi Univ, GXU NAOC Ctr Astrophys & Space Sci, Nanning 530004, Guangxi, Peoples R China
9.Huazhong Univ Sci & Technol, Sch Phys, Wuhan 430074, Hunan, Peoples R China
Recommended Citation
GB/T 7714
Hou, Shu-Jin,Gao, He,Liu, Tong,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.
APA Hou, Shu-Jin.,Gao, He.,Liu, Tong.,Gu, Wei-Min.,Lin, Da-Bin.,...&Lu, Ju-Fu.(2014).Variability of the giant X-ray bump in GRB 121027A and its possible origin.MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,441(3),2375-2379.
MLA Hou, Shu-Jin,et al."Variability of the giant X-ray bump in GRB 121027A and its possible origin".MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY 441.3(2014):2375-2379.
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