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Rebrightening of XRF 030723: Further evidence for a two-component jet in a gamma-ray burst
文献类型：期刊论文
| 作者 | Huang, YF; Wu, XF ; Dai, ZG; Ma, HT; Lu, T
|
| 刊名 | ASTROPHYSICAL JOURNAL
 |
| 出版日期 | 2004-04-10 |
| 卷号 | 605期号:1页码:300-306 |
| 关键词 | gamma rays : bursts ISM : jets and outflows X-rays : bursts |
| 英文摘要 | We numerically investigate optical afterglows from two-component jets under various configurations. Generally, the light curve is characterized by a rapid rebrightening when the observer is off-axis with respect to the narrow component, with the amplitude and peak time depending on detailed parameters. We further show that the optical afterglow of XRF 030723, especially its notable and rapid rebrightening, can be well explained by a typical two-component jet. This X-ray flash, together with GRB 030329, strongly hints toward the two-component jet model as a unified picture for X-ray flashes and gamma-ray bursts. With a narrow but ultra-relativistic inner outflow and a wide but less energetic outer ejecta, a two-component jet will be observed as a typical gamma-ray burst if our line of sight is within the angular scope of the narrow outflow. Otherwise, if the line of sight is within or slightly beyond the cone of the wide component, an X-ray flash will be detected. |
| 学科主题 | Astronomy & Astrophysics |
| WOS标题词 | Science & Technology ; Physical Sciences |
| 类目[WOS] | Astronomy & Astrophysics |
| 研究领域[WOS] | Astronomy & Astrophysics |
| 关键词[WOS] | AFTERGLOW LIGHT CURVES ; STANDARD ENERGY RESERVOIR ; DENSITY-JUMP MEDIUM ; OPTICAL AFTERGLOW ; GRB 990123 ; POLARIMETRIC CONSTRAINTS ; VIEWING ANGLE ; EMISSION ; FLASHES ; EVOLUTION |
| 收录类别 | SCI |
| 语种 | 英语 |
| WOS记录号 | WOS:000220801700026 |
| 公开日期 | 2015-04-14 |
| 源URL | [http://libir.pmo.ac.cn/handle/332002/10949]  |
| 专题 | 紫金山天文台_院士文集_陆埮 |
| 作者单位 | 1.Nanjing Univ, Dept Astron, Nanjing 210093, Peoples R China 2.Chinese Acad Sci, IHEP, LCRHEA, Beijing 100039, Peoples R China 3.Chinese Acad Sci, Purple Mt Observ, Nanjing 210008, Peoples R China 4.Chinese Acad Sci, Natl Astron Observ, Beijing 100012, Peoples R China |
| 推荐引用方式 GB/T 7714 | Huang, YF,Wu, XF,Dai, ZG,et al. Rebrightening of XRF 030723: Further evidence for a two-component jet in a gamma-ray burst[J]. ASTROPHYSICAL JOURNAL,2004,605(1):300-306. |
| APA | Huang, YF,Wu, XF,Dai, ZG,Ma, HT,&Lu, T.(2004).Rebrightening of XRF 030723: Further evidence for a two-component jet in a gamma-ray burst.ASTROPHYSICAL JOURNAL,605(1),300-306. |
| MLA | Huang, YF,et al."Rebrightening of XRF 030723: Further evidence for a two-component jet in a gamma-ray burst".ASTROPHYSICAL JOURNAL 605.1(2004):300-306. |
入库方式： OAI收割
来源：紫金山天文台
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