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Fluence-hardness correlation in gamma-ray bursts
Liang EW(梁恩维)1,2; Xie GZ(谢光中)1,3
发表期刊PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN
2002
卷号54期号:3页码:359-362
DOI10.1093/pasj/54.3.359
产权排序第1完成单位
收录类别SCI ; EI
关键词Gamma Rays : Bursts Methods : Data Analysis Methods : Statistical
摘要

We have studied the total fluence, F-total, as a function of the hardness ratio, HR32, on gamma-ray bursts (GRBs) observed by BATSE, and suggested two subsets of bursts divided by division of log (F-total) = 4.5 x log (HR32) - 8.5, then investigated correlations between HR32 and F-total as well as the distributions of the duration, T-90, and HR32 in the two subsets. The results show that F-total is not correlated with HR32 in the entire set of GRBs, while it is in the two subsets, and the division statistically coincides with the division of T-90 similar to 2 s. A brief discussion along with the results seems to support the point that the anti-correlation between HR32 and T-90 is intrinsic.

语种英语
学科领域天文学 ; 星系与宇宙学
学科门类理学 ; 理学::天文学
文章类型Article
ISSN0004-6264
URL查看原文
归档日期2002-08-21
WOS记录号WOS:000176611000006
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
关键词[WOS]INTENSITY CORRELATION ; SPECTRAL EVOLUTION ; BRIGHT
EI入藏号20215111360409
EI主题词Stars
EI分类号657.2 Extraterrestrial Physics and Stellar Phenomena - 931.3 Atomic and Molecular Physics - 932.1 High Energy Physics - 951 Materials Science
引用统计
被引频次:4[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ynao.ac.cn/handle/114a53/6957
专题星系研究组
通讯作者Liang EW(梁恩维)
作者单位1.Yunnan Observatory, National Astronomical Observatories, Chinese Academy of Sciences, Kunming 650011, China
2.Physics Department, Guangxi University, Nanning 530004, China
3.Yunnan Astrophysics Center, Yunnan University, Kunming 650091, China
第一作者单位中国科学院云南天文台
通讯作者单位中国科学院云南天文台
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GB/T 7714
Liang EW,Xie GZ. Fluence-hardness correlation in gamma-ray bursts[J]. PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN,2002,54(3):359-362.
APA Liang EW,&Xie GZ.(2002).Fluence-hardness correlation in gamma-ray bursts.PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN,54(3),359-362.
MLA Liang EW,et al."Fluence-hardness correlation in gamma-ray bursts".PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN 54.3(2002):359-362.
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