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IMPLICATIONS OF UNDERSTANDING SHORT GAMMA-RAY BURSTS DETECTED BY SWIFT
Shao, Lang1,2,3; Dai, Zi-Gao4; Fan, Yi-Zhong1,2; Zhang, Fu-Wen1,2,5; Jin, Zhi-Ping1,2; Wei, Da-Ming1,2
2011-09-01
Source PublicationASTROPHYSICAL JOURNAL
ISSN0004-637X
Volume738Issue:1Pages:1--8
AbstractIn an effort to understand the puzzle of classifying gamma-ray bursts (GRBs), we perform a systematic study of Swift GRBs and investigate several short GRB issues. Though short GRBs have a short (less than or similar to 2 s) prompt duration as monitored by the Burst Alert Telescope, the composite light curves including both the prompt and afterglow emission suggest that most of the short GRBs have a similar radiative feature to long GRBs. Furthermore, some well-studied short GRBs might also have an intrinsically long prompt duration, which renders them as a type of short GRB imposters. Genuine short GRBs detected by Swift might be rare, so determining the observed short GRBs is, not surprisingly, troublesome. In particular, the observational biases in the host identification and redshift measurement of GRBs should be taken with great caution. The redshift distribution, which has been found to be different for long and short GRBs, might have been strongly affected by the measurement methods. We find that the redshifts measured from the presumed host galaxies of long and short GRBs appear to have a similar distribution.
KeywordGamma-ray Burst: General
Subject AreaAstronomy & Astrophysics
WOS HeadingsScience & Technology ; Physical Sciences
DOI10.1088/0004-637X/738/1/19
WOS KeywordHOST GALAXY ; GRB 090426 ; OPTICAL AFTERGLOWS ; EXTENDED EMISSION ; DUST SCATTERING ; ALERT TELESCOPE ; STAR-FORMATION ; REDSHIFT ; LONG ; CATALOG
Indexed BySCI
Language英语
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS IDWOS:000294015500019
Citation statistics
Cited Times:8[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://libir.pmo.ac.cn/handle/332002/4537
Collection宇宙伽马暴、中子星及相关物理研究团组
Affiliation1.Chinese Acad Sci, Purple Mt Observ, Nanjing 210008, Peoples R China
2.Chinese Acad Sci, Key Lab Dark Matter & Space Astron, Nanjing 210008, Peoples R China
3.Hebei Normal Univ, Dept Phys, Shijiazhuang 050016, Peoples R China
4.Nanjing Univ, Dept Astron, Nanjing 210093, Peoples R China
5.Guilin Univ Technol, Coll Sci, Guilin 541004, Peoples R China
Recommended Citation
GB/T 7714
Shao, Lang,Dai, Zi-Gao,Fan, Yi-Zhong,et al. IMPLICATIONS OF UNDERSTANDING SHORT GAMMA-RAY BURSTS DETECTED BY SWIFT[J]. ASTROPHYSICAL JOURNAL,2011,738(1):1--8.
APA Shao, Lang,Dai, Zi-Gao,Fan, Yi-Zhong,Zhang, Fu-Wen,Jin, Zhi-Ping,&Wei, Da-Ming.(2011).IMPLICATIONS OF UNDERSTANDING SHORT GAMMA-RAY BURSTS DETECTED BY SWIFT.ASTROPHYSICAL JOURNAL,738(1),1--8.
MLA Shao, Lang,et al."IMPLICATIONS OF UNDERSTANDING SHORT GAMMA-RAY BURSTS DETECTED BY SWIFT".ASTROPHYSICAL JOURNAL 738.1(2011):1--8.
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