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Optical afterglows of short gamma-ray bursts and GRB 040924
Fan, YZ; Zhang, B; Kobayashi, S; Meszaros, P
2005-08-01
发表期刊ASTROPHYSICAL JOURNAL
卷号628期号:2页码:867-872
摘要Short-duration gamma-ray bursts (GRBs; <= 2 s) have remained a mystery due to the lack of afterglow detection until recently. The models to interpret short GRBs invoke distinct progenitor scenarios. Here we present a generic analysis of short GRB afterglows and calculate the optical light curves of short GRBs within the framework of different progenitor models. We show that all these optical afterglows are bright enough to be detected by the Ultraviolet and Optical Telescope (UVOT) on board the Swift observatory and that different models could be distinguished with a well-monitored light curve. We also model the afterglow data of the recently discovered short burst GRB 040924. We find that the limited data are consistent with a low medium density environment, which is consistent with the preconcept of the compact star merger progenitor model, although the models with a collapsar progenitor are not ruled out.
关键词Gamma Rays : Bursts Ism : Jets And Outflows Radiation Mechanisms : Nonthermal
收录类别SCI
语种英语
WOS记录号WOS:000230817300029
引用统计
被引频次:15[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.bao.ac.cn/handle/114a11/8929
专题光学天文研究部
作者单位1.Univ Nevada, Dept Phys, Las Vegas, NV 89154 USA
2.Chinese Acad Sci, Purple Mt Observ, Nanjing 210008, Peoples R China
3.Chinese Acad Sci, Natl Astron Observ, Beijing 100012, Peoples R China
4.Penn State Univ, Dept Astron & Astrophys, Davey Lab 525, University Pk, PA 16802 USA
5.Penn State Univ, Dept Phys, Davey Lab 104, University Pk, PA 16802 USA
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Fan, YZ,Zhang, B,Kobayashi, S,et al. Optical afterglows of short gamma-ray bursts and GRB 040924[J]. ASTROPHYSICAL JOURNAL,2005,628(2):867-872.
APA Fan, YZ,Zhang, B,Kobayashi, S,&Meszaros, P.(2005).Optical afterglows of short gamma-ray bursts and GRB 040924.ASTROPHYSICAL JOURNAL,628(2),867-872.
MLA Fan, YZ,et al."Optical afterglows of short gamma-ray bursts and GRB 040924".ASTROPHYSICAL JOURNAL 628.2(2005):867-872.
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