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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; Liang, EW (reprint author), Chinese Acad Sci, Natl Astron Observ, Yunnan Observ, Kunming 650011, Peoples R China.
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
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Astronomy & Astrophysics
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
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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 (reprint author), Chinese Acad Sci, Natl Astron Observ, Yunnan Observ, Kunming 650011, Peoples R China.
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
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Liang EW,Xie GZ,Liang, EW . 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,&Liang, EW .(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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