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Making a short gamma-ray burst from a long one: Implications for the nature of GRB 060614
Zhang, B1; Zhang BB(张彬彬)1,2,3; Liang, EW1,4; Gehrels, N5; Burrows, DN6; Meszaros, P6,7; Zhang, B (reprint author), Univ Nevada, Dept Phys & Astron, Las Vegas, NV 89154 USA.
Source PublicationASTROPHYSICAL JOURNAL
2007-01-20
Volume655Issue:1Pages:L25-L28
DOI10.1086/511781
Contribution Rank第2完成单位
Indexed BySCI
KeywordGamma Rays : Bursts
AbstractThe absence of a supernova accompanying the nearby long GRB 060614 poses a great puzzle about the progenitor of this event and challenges the current GRB classification scheme. This burst displays a short-hard emission episode followed by extended soft emission with strong spectral evolution. Noticing that this burst has an isotropic gamma-ray energy only similar to 8 times that of GRB 050724, a good candidate of merger-type short GRBs, we generate a "pseudo" burst that is similar to 8 times less energetic than GRB 060614 based on the spectral properties of GRB 060614 and the E(p) proportional to E(iso)(1/2) (Amati) relation. We find that this pseudoburst would have been detected by BATSE as a marginal short-duration GRB and would have properties in the Swift BAT and XRT bands similar to GRB 050724. This suggests that GRB 060614 is likely a more intense event in the traditional short-hard GRB category. Events like GRB 060614 that seem to defy the traditional short versus long classification of GRBs may require modification of our classification terminology for GRBs. By analogy with supernova classifications, we suggest that GRBs be classified into Type I ( typically short and associated with old populations) and Type II ( typically long and associated with young populations). We propose that GRB 060614 belongs to Type I and predict that similar events will be detected in elliptical galaxies.
Language英语
Subject AreaAstronomy & Astrophysics
SubtypeArticle
ISSN0004-637X
URL查看原文
WOS IDWOS:000243725500007
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS KeywordHOST GALAXY ; AFTERGLOW ; SUPERNOVA ; MODELS ; GRB-050709 ; EMISSION ; FLARES ; ORIGIN ; SPECTROSCOPY ; TELESCOPE
Citation statistics
Cited Times:144[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ynao.ac.cn/handle/114a53/7028
Collection星系研究组
Corresponding AuthorZhang, B (reprint author), Univ Nevada, Dept Phys & Astron, Las Vegas, NV 89154 USA.
Affiliation1.Department of Physics and Astronomy, University of Nevada, Las Vegas, NV
2.National Astronomical Observatories/Yunnan Observatory, CAS, Kunming, China
3.Graduate School of the Chinese Academy of Sciences, Beijing, China
4.Department of Physics, Guangxi University, Nanning, China
5.NASA Goddard Space Flight Center, Greenbelt, MD
6.Department of Astronomy and Astrophysics, Pennsylvania State University, University Park, PA
7.Department of Physics, Pennsylvania State University, University Park, PA
Recommended Citation
GB/T 7714
Zhang, B,Zhang BB,Liang, EW,et al. Making a short gamma-ray burst from a long one: Implications for the nature of GRB 060614[J]. ASTROPHYSICAL JOURNAL,2007,655(1):L25-L28.
APA Zhang, B.,Zhang BB.,Liang, EW.,Gehrels, N.,Burrows, DN.,...&Zhang, B .(2007).Making a short gamma-ray burst from a long one: Implications for the nature of GRB 060614.ASTROPHYSICAL JOURNAL,655(1),L25-L28.
MLA Zhang, B,et al."Making a short gamma-ray burst from a long one: Implications for the nature of GRB 060614".ASTROPHYSICAL JOURNAL 655.1(2007):L25-L28.
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