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GRB 131231A: IMPLICATIONS OF THE GeV EMISSION
Liu, Bin1,2; Chen, Wei1,3; Liang, Yun-Feng1; Zhou, Bei1,4; He, Hao-Ning1; Tam, Pak-Hin Thomas5,6; Shao, Lang2; Jin, Zhi-Ping1; Fan, Yi-Zhong1; Wei, Da-Ming1
2014-05-20
Source PublicationASTROPHYSICAL JOURNAL LETTERS
ISSN2041-8205
Volume787Issue:1Pages:0
AbstractGRB 131231A was detected by the Large Area Telescope on board the Fermi Space Gamma-ray Telescope. The high-energy gamma-ray (>100 MeV) afterglow emission spectrum is F-nu proportional to nu(-0.54 +/- 0.15) in the first similar to 1300 s after the trigger and the most energetic photon has an energy of similar to 62 GeV, arriving at t similar to 520 s. With reasonable parameters of the gamma-ray burst (GRB) outflow as well as the density of the circum-burst medium, the synchrotron radiation of electrons or protons accelerated at an external forward shock have difficulty accounting for the data. Rather, the synchrotron self-Compton radiation of the forward shock-accelerated electrons can account for both the spectrum and temporal behavior of the GeV afterglow emission. We also show that the prospect for detecting GRB 131231A-like GRBs with the Cherenkov Telescope Array is promising.
KeywordGamma Rays: General Radiation Mechanisms: Non-thermal
WOS HeadingsScience & Technology ; Physical Sciences
DOI10.1088/2041-8205/787/1/L6
WOS KeywordGAMMA-RAY BURSTS ; HIGH-ENERGY EMISSION ; SELF-COMPTON EMISSION ; LARGE-AREA TELESCOPE ; AFTERGLOW EMISSION ; SPECTRAL COMPONENTS ; FERMI OBSERVATIONS ; FLARING ACTIVITY ; 130427A ; SYNCHROTRON
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Indexed BySCI
Language英语
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS IDWOS:000336035800006
Citation statistics
Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://libir.pmo.ac.cn/handle/332002/10628
Collection太阳高能及相关物理过程研究团组
Affiliation1.Chinese Acad Sci, Purple Mt Observ, Key Lab Dark Matter & Space Astron, Nanjing 210008, Jiangsu, Peoples R China
2.Hebei Normal Univ, Dept Phys, Shijiazhuang 050024, Peoples R China
3.Huazhong Univ Sci & Technol, Sch Phys, Wuhan 430074, Peoples R China
4.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
5.Natl Tsing Hua Univ, Inst Astron, Hsinchu 30013, Taiwan
6.Natl Tsing Hua Univ, Dept Phys, Hsinchu 30013, Taiwan
Recommended Citation
GB/T 7714
Liu, Bin,Chen, Wei,Liang, Yun-Feng,et al. GRB 131231A: IMPLICATIONS OF THE GeV EMISSION[J]. ASTROPHYSICAL JOURNAL LETTERS,2014,787(1):0.
APA Liu, Bin.,Chen, Wei.,Liang, Yun-Feng.,Zhou, Bei.,He, Hao-Ning.,...&Wei, Da-Ming.(2014).GRB 131231A: IMPLICATIONS OF THE GeV EMISSION.ASTROPHYSICAL JOURNAL LETTERS,787(1),0.
MLA Liu, Bin,et al."GRB 131231A: IMPLICATIONS OF THE GeV EMISSION".ASTROPHYSICAL JOURNAL LETTERS 787.1(2014):0.
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