Two dimensional classification of the Swift/BAT GRBs
Yang, E. B.1; Zhang, Z. B.1,2; Jiang, X. X.1; Zhang, ZB
发表期刊ASTROPHYSICS AND SPACE SCIENCE
2016-08-01
卷号361期号:8
DOI10.1007/s10509-016-2838-5
收录类别SCI
关键词Gamma-ray Burst: General Methods: Data Analysis Methods: Statistical
摘要Using Gaussian Mixture Model and Expectation Maximization algorithm, we have performed a density estimation in the framework of T-90 versus hardness ratio for 296 Swift/BAT GRBs with known redshift. Here, Bayesian Information Criterion has been taken to compare different models. Our investigations show that two instead of three or more Gaussian components are favoured in both the observer and rest frames. Our key findings are consistent with some previous results.
项目资助者National Natural Science Foundation of China(U1431126, 11263002, 11311140248, 11203026) ; Provincial Natural Science Foundations(201519, 20134021, 20117006, OP201511)
语种英语
学科领域Astronomy & Astrophysics
文章类型Article
ISSN0004-640X
URL查看原文
WOS记录号WOS:000381114700012
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
关键词[WOS]GAMMA-RAY BURSTS ; DURATION DISTRIBUTION ; INTRINSIC DURATIONS ; MODEL SELECTION ; 3RD CLASS ; DISTRIBUTIONS ; CRITERIA
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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/114a53/9685
专题中国科学院天体结构与演化重点实验室
通讯作者Zhang, ZB
作者单位1.Department of Physics, College of SciencesGuizhou UniversityGuiyangChina
2.Key Laboratory for the Structure and Evolution of Celestial ObjectsChinese Academy of SciencesKunmingChina
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Yang, E. B.,Zhang, Z. B.,Jiang, X. X.,et al. Two dimensional classification of the Swift/BAT GRBs[J]. ASTROPHYSICS AND SPACE SCIENCE,2016,361(8).
APA Yang, E. B.,Zhang, Z. B.,Jiang, X. X.,&Zhang, ZB.(2016).Two dimensional classification of the Swift/BAT GRBs.ASTROPHYSICS AND SPACE SCIENCE,361(8).
MLA Yang, E. B.,et al."Two dimensional classification of the Swift/BAT GRBs".ASTROPHYSICS AND SPACE SCIENCE 361.8(2016).
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