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The relationship between the rise width and the full width of gamma-ray burst pulses and its implications
Lu RJ(陆睿静)1,2,3; Tan YP(覃一平)1,2; Yi, TF2; Lu, RJ (reprint author), Chinese Acad Sci, Yunnan Observ, Natl Astron Observ, Kunming 650011, Peoples R China.
Source PublicationCHINESE JOURNAL OF ASTRONOMY AND ASTROPHYSICS
2006
Volume6Issue:1Pages:52-60
DOI10.1088/1009-9271/6/1/006
Contribution Rank第1完成单位
Indexed BySCI
KeywordGamma Rays : Bursts Gamma Rays : Theory Methods : Data Analysis
AbstractWe investigate the relationship between the rise width and the full width of gamma-ray burst pulses. Theoretical analysis shows that either width is proportional to Gamma(-2) Delta(T theta), FWHM (Rc)/(c) (Gamma the Lorentz factor of the bulk motion, Delta(T theta), FWHM a local pulse's width, R-c the radius of fireballs and c the velocity of light). We study the relationship for four samples of observed pulses. We find: (1) merely the curvature effect could reproduce the relationship between the rise and full widths with the same slope as derived from the model of Qin et al.; (2) gamma-ray burst pulses, selected from both the short and long GRBs, follow the same sequence in the rise width vs. full width diagram, with the shorter pulses at one end; (3) all GRBs may intrinsically result from local Gaussian pulses. These features place constraints on the physical mechanism(s) for producing long and short GRBs.
Language英语
Subject AreaAstronomy & Astrophysics
SubtypeArticle
ISSN1009-9271
URL查看原文
Archive Date2006-06-21
WOS IDWOS:000235501700006
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS KeywordBATSE OBSERVATIONS ; EXTERNAL MATTER ; TIME PROFILES ; LIGHT CURVES ; ENERGY ; FIREBALLS ; SPECTRA ; BRIGHT ; SPECTROSCOPY ; EVOLUTION
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Cited Times:5[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ynao.ac.cn/handle/114a53/7010
Collection星系研究组
Corresponding AuthorLu, RJ (reprint author), Chinese Acad Sci, Yunnan Observ, Natl Astron Observ, Kunming 650011, Peoples R China.
Affiliation1.National Astronomical Observatories/Yunnan Observatory, Chinese Academy of Sciences, Kunming 650011
2.Department of Physics, Guangxi University, Nanning, Guangxi 530004
3.Graduate University of Chinese Academy of Sciences, Beijing 100049
First Author AffilicationYunnan Observatories, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Lu RJ,Tan YP,Yi, TF,et al. The relationship between the rise width and the full width of gamma-ray burst pulses and its implications[J]. CHINESE JOURNAL OF ASTRONOMY AND ASTROPHYSICS,2006,6(1):52-60.
APA Lu RJ,Tan YP,Yi, TF,&Lu, RJ .(2006).The relationship between the rise width and the full width of gamma-ray burst pulses and its implications.CHINESE JOURNAL OF ASTRONOMY AND ASTROPHYSICS,6(1),52-60.
MLA Lu RJ,et al."The relationship between the rise width and the full width of gamma-ray burst pulses and its implications".CHINESE JOURNAL OF ASTRONOMY AND ASTROPHYSICS 6.1(2006):52-60.
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