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Characteristic variability time scales of long gamma-ray bursts
Shen RF(申荣锋); Song LM(宋黎明); Shen, RF; Song, LM
2003
发表期刊HIGH ENERGY PROCESSES AND PHENOMENA IN ASTROPHYSICS
期号214页码:339-340
通讯作者Chinese Acad Sci, Inst High Energy Phys, Lab Cosm Rays & High Energy Astrophys, Beijing, Peoples R China
文章类型Article; Proceedings Paper
摘要We determine the characteristic variability time Scales for 410 bright long GRBs by locating the maximums of their Power Density Spectra (PDSs) defined and calculated in the time domain. The averaged characteristic variability time scale decreases with peak fluxe. This is consistent with the time dilation effect expected by cosmological origin of GRBs. The occurrence distribution of the characteristic variability time scale shows bimodality, which might be interpreted as that the long GRB sample is composed of two sub-classes with different intrinsic characteristic variability time scales.
学科领域Astronomy & Astrophysics; Physics
研究领域[WOS]Astronomy & Astrophysics ; Physics ; Astronomy & Astrophysics ; Physics
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语种英语
研究领域[WOS]Astronomy & Astrophysics ; Physics ; Astronomy & Astrophysics ; Physics
WOS类目Astronomy & Astrophysics ; Physics, Particles & Fields
WOS记录号WOS:000189431800059
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文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/237052
专题粒子天体物理中心
作者单位中国科学院高能物理研究所
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Shen RF,Song LM,Shen, RF,et al. Characteristic variability time scales of long gamma-ray bursts[J]. HIGH ENERGY PROCESSES AND PHENOMENA IN ASTROPHYSICS,2003(214):339-340.
APA 申荣锋,宋黎明,Shen, RF,&Song, LM.(2003).Characteristic variability time scales of long gamma-ray bursts.HIGH ENERGY PROCESSES AND PHENOMENA IN ASTROPHYSICS(214),339-340.
MLA 申荣锋,et al."Characteristic variability time scales of long gamma-ray bursts".HIGH ENERGY PROCESSES AND PHENOMENA IN ASTROPHYSICS .214(2003):339-340.
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