YNAO OpenIR  > 星系研究组
An analysis of the durations of Swift gamma-ray bursts
Zhang ZB(张志彬)1,2; Choi, CS1; Zhang, ZB (reprint author), Korea Astron & Space Sci Inst, Int Ctr Astrophys, 36-1 Hwaam, Taejon 305348, South Korea.
发表期刊ASTRONOMY & ASTROPHYSICS
2008-06
卷号484期号:2页码:293-297
DOI10.1051/0004-6361:20079210
产权排序第2完成单位
收录类别SCI ; EI
关键词Gamma Rays : Bursts Gamma Rays : Theory
摘要Context. Swift detectors are found to be more sensitive to long-soft bursts than pre-Swift missions. This may largely bias the distribution of durations and thus classification of gamma-ray bursts. Aims. We systematically investigate the duration distribution of gamma-ray bursts in the Swift era vs. that of pre-Swift bursts. Methods. For the purpose of this study, statistical methods such as the K-S test and linear/non-linear fitting analysis have been used to examine the duration properties of Swift bursts in both observer and source frames. Results. For 95 GRBs with known redshift, we show that two log-normal distributions of duration are clearly divided at T(90) similar or equal to 2 s. The intrinsic durations also show a bimodal distribution but shift systematically toward the smaller value and the distribution exhibits a narrower width than the observed one. Swift long bursts exhibit a wider duration dynamic range in both observer and source frames in comparison to pre-Swift long bursts. Conclusions. We find that Swift bursts and pre-Swift ones can share the same criterion of classification in terms of duration at 2 s, although both monitors have large differences with respect to sensitivity of a given energy band.
语种英语
学科领域Astronomy & Astrophysics
文章类型Article
ISSN0004-6361
URL查看原文
WOS记录号WOS:000256309700001
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
关键词[WOS]SPECTRAL LAGS ; BRIGHTNESS DISTRIBUTION ; REDSHIFT DISTRIBUTION ; BIMODAL DISTRIBUTION ; MILLISECOND PULSARS ; PEAK ENERGY ; LONG ; EMISSION ; CATALOG ; ORIGIN
引用统计
被引频次:20[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/114a53/7039
专题星系研究组
通讯作者Zhang, ZB (reprint author), Korea Astron & Space Sci Inst, Int Ctr Astrophys, 36-1 Hwaam, Taejon 305348, South Korea.
作者单位1.International Center for Astrophysics, Korea Astronomy and Space Science Institute, 36-1 Hwaam, Yusong, Daejon 305-348, South Korea
2.Yunnan Observatory, National Astronomical Observatories, Chinese Academy of Sciences, PO Box 110, Kunming 650011, PR China
推荐引用方式
GB/T 7714
Zhang ZB,Choi, CS,Zhang, ZB . An analysis of the durations of Swift gamma-ray bursts[J]. ASTRONOMY & ASTROPHYSICS,2008,484(2):293-297.
APA Zhang ZB,Choi, CS,&Zhang, ZB .(2008).An analysis of the durations of Swift gamma-ray bursts.ASTRONOMY & ASTROPHYSICS,484(2),293-297.
MLA Zhang ZB,et al."An analysis of the durations of Swift gamma-ray bursts".ASTRONOMY & ASTROPHYSICS 484.2(2008):293-297.
条目包含的文件
文件名称/大小 文献类型 版本类型 开放类型 使用许可
An analysis of the d(258KB)期刊论文作者接受稿开放获取CC BY-NC-SA浏览 请求全文
个性服务
推荐该条目
保存到收藏夹
查看访问统计
导出为Endnote文件
谷歌学术
谷歌学术中相似的文章
[Zhang ZB(张志彬)]的文章
[Choi, CS]的文章
[Zhang, ZB (reprint author), Korea Astron & Space Sci Inst, Int Ctr Astrophys, 36-1 Hwaam, Taejon 305348, South Korea.]的文章
百度学术
百度学术中相似的文章
[Zhang ZB(张志彬)]的文章
[Choi, CS]的文章
[Zhang, ZB (reprint author), Korea Astron & Space Sci Inst, Int Ctr Astrophys, 36-1 Hwaam, Taejon 305348, South Korea.]的文章
必应学术
必应学术中相似的文章
[Zhang ZB(张志彬)]的文章
[Choi, CS]的文章
[Zhang, ZB (reprint author), Korea Astron & Space Sci Inst, Int Ctr Astrophys, 36-1 Hwaam, Taejon 305348, South Korea.]的文章
相关权益政策
暂无数据
收藏/分享
文件名: An analysis of the durations of Swift gamma-ray bursts.pdf
格式: Adobe PDF
所有评论 (0)
暂无评论
 

除非特别说明,本系统中所有内容都受版权保护,并保留所有权利。