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Doppler effect of gamma-ray bursts in the fireball framework
Tan YP(覃一平)1,2; Qin, YP (reprint author), CAS, Yunnan Observ, Natl Astron Observ, Kunming 650011, Peoples R China.
Source PublicationASTRONOMY & ASTROPHYSICS
2002-12
Volume396Issue:2Pages:705-713
DOI10.1051/0004-6361:20021439
Contribution Rank第1完成单位
Indexed BySCI ; EI
KeywordGamma-rays : Bursts Gamma-rays : Theory Radiation Mechanisms : Nonthermal Relativity
AbstractThe influence of the Doppler effect in the fireball framework on the spectrum of gamma-ray bursts is investigated. The study shows that the shape of the expected spectrum of an expanding fireball remains almost the same as that of the corresponding rest frame spectrum for constant radiations of the bremsstrahlung, Comptonized, and synchrotron mechanisms as well as for that of the GRB model. The peak flux spectrum and the peak frequency are obviously correlated. When the value of the Lorentz factor becomes 10 times larger, the flux of fireballs would be several orders of magnitude larger. The expansion speed of fireballs is a fundamental factor of the enhancement of the flux of gamma-ray bursts.
Language英语
Subject AreaAstronomy & Astrophysics
SubtypeArticle
ISSN0004-6361
URL查看原文
Archive Date2003-02-26
WOS IDWOS:000179574300036
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS KeywordBATSE OBSERVATIONS ; EXTERNAL MATTER ; SPECTRA ; MODELS ; SPECTROSCOPY ; CATALOG ; BRIGHT ; IMPACT
Citation statistics
Cited Times:42[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ynao.ac.cn/handle/114a53/6946
Collection星系研究组
Corresponding AuthorQin, YP (reprint author), CAS, Yunnan Observ, Natl Astron Observ, Kunming 650011, Peoples R China.
Affiliation1.Yunnan Observatory, National Astronomical Observatories, CAS, Kunming, Yunnan 650011, PR China
2.Chinese Academy of Science-Peking University joint Beijing Astrophysical Center, PR China
First Author AffilicationYunnan Observatories, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Tan YP,Qin, YP . Doppler effect of gamma-ray bursts in the fireball framework[J]. ASTRONOMY & ASTROPHYSICS,2002,396(2):705-713.
APA Tan YP,&Qin, YP .(2002).Doppler effect of gamma-ray bursts in the fireball framework.ASTRONOMY & ASTROPHYSICS,396(2),705-713.
MLA Tan YP,et al."Doppler effect of gamma-ray bursts in the fireball framework".ASTRONOMY & ASTROPHYSICS 396.2(2002):705-713.
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