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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.
发表期刊ASTRONOMY & ASTROPHYSICS
2002-12
卷号396期号:2页码:705-713
DOI10.1051/0004-6361:20021439
产权排序第1完成单位
收录类别SCI ; EI
关键词Gamma-rays : Bursts Gamma-rays : Theory Radiation Mechanisms : Nonthermal Relativity
摘要The 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.
语种英语
学科领域Astronomy & Astrophysics
文章类型Article
ISSN0004-6361
URL查看原文
归档日期2003-02-26
WOS记录号WOS:000179574300036
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
关键词[WOS]BATSE OBSERVATIONS ; EXTERNAL MATTER ; SPECTRA ; MODELS ; SPECTROSCOPY ; CATALOG ; BRIGHT ; IMPACT
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文献类型期刊论文
条目标识符http://ir.ynao.ac.cn/handle/114a53/6946
专题星系研究组
通讯作者Qin, YP (reprint author), CAS, Yunnan Observ, Natl Astron Observ, Kunming 650011, Peoples R China.
作者单位1.Yunnan Observatory, National Astronomical Observatories, CAS, Kunming, Yunnan 650011, PR China
2.Chinese Academy of Science-Peking University joint Beijing Astrophysical Center, PR China
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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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