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Swift observations of GRB 070110: An extraordinary X-ray afterglow powered by the central engine
文献类型：期刊论文
| 作者 | Troja, E1,2,3; Cusumano, G1; O'Brien, PT2; Zhang, B4 ; Sbarufatti, B1; Mangano, V1; Willingale, R2; Chincarini, G5,6; Osborne, JP2; Marshall, FE7
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| 刊名 | ASTROPHYSICAL JOURNAL
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| 出版日期 | 2007-08-10 |
| 卷号 | 665期号:1页码:599-607 |
| 关键词 | gamma rays : bursts X-rays : individual (GRB 070110) |
| ISSN号 | 0004-637X |
| 产权排序 | 第十一完成单位 |
| 通讯作者 | Troja, E (reprint author), Ist Astrofis Spaziale & Fis Cosmc, Sezione Palermo, INAF, Via Ugo Malfa 153, I-90146 Palermo, Italy. |
| 英文摘要 | We present a detailed analysis of Swift multiwavelength observations of GRB 070110 and its remarkable afterglow. The early X-ray light curve, interpreted as the tail of the prompt emission, displays a spectral evolution already seen in other gamma-ray bursts. The optical afterglow shows a shallow decay up to similar to 2 days after the burst, which is not consistent with standard afterglow models. The most intriguing feature is a very steep decay in the X-ray flux at similar to 2 x 10(4) s after the burst, ending an apparent plateau. The abrupt drop of the X-ray light curve rules out an external shock as the origin of the plateau in this burst and implies long-lasting activity of the central engine. The temporal and spectral properties of the plateau phase point toward a continuous central engine emission rather than the episodic emission of X-ray flares. We suggest that the observed X-ray plateau is powered by a spinning-down central engine, possibly a millisecond pulsar, which dissipates energy at an internal radius before depositing energy into the external shock. |
| WOS标题词 | Science & Technology ; Physical Sciences |
| 学科主题 | Astronomy & Astrophysics |
| 类目[WOS] | Astronomy & Astrophysics |
| 研究领域[WOS] | Astronomy & Astrophysics |
| 关键词[WOS] | CONTINUOUS ENERGY INJECTION ; GAMMA-RAY ; BURST AFTERGLOWS ; PARAMETER-ESTIMATION ; MILLISECOND PULSARS ; LIGHT CURVES ; DUST ; FLARES ; TELESCOPE ; EMISSION |
| 收录类别 | SCI |
| 原文出处 | http://iopscience.iop.org/0004-637X/665/1/599/ |
| 语种 | 英语 |
| WOS记录号 | WOS:000248675700042 |
| 公开日期 | 2016-05-03 |
| 源URL | [http://ir.ynao.ac.cn/handle/114a53/7021]  |
| 专题 | 云南天文台_星系研究组 |
| 作者单位 | 1.INAF-Istituto di Astrofisica Spaziale e Fisica Cosmica, Sezione di Palermo, via Ugo la Malfa 153, 90146 Palermo, Italy 2.Department of Physics and Astronomy, University of Leicester, Leicester LE1 7RH, UK 3.Dipartimento di Scienze Fisiche ed Astronomiche, Sezione di Astronomia, Universit? di Palermo, Piazza del Parlamento 1, 90134 Palermo, Italy 4.Department of Physics and Astronomy, University of Nevada, Las Vegas, NV 89154 5.Universit? degli studi di Milano-Bicocca, Dipartimento di Fisica, piazza delle Scienze 3, I-20126 Milan, Italy 6.INAF-Osservatorio Astronomico di Brera, via Emilio Bianchi 46, I-23807 Merate (LC), Italy 7.NASA Goddard Space Flight Center, Greenbelt, MD 20771 8.Department of Astronomy and Astrophysics, 525 Davey Laboratory, Pennsylvania State University, University Park, PA 16802 9.Universities Space Research Association, 10211 Wincopin Circle, Suite 500, Columbia, MD 20144 10.Department of Physics, Guangxi University, Nanning 530004, China |
| 推荐引用方式 GB/T 7714 | Troja, E,Cusumano, G,O'Brien, PT,et al. Swift observations of GRB 070110: An extraordinary X-ray afterglow powered by the central engine[J]. ASTROPHYSICAL JOURNAL,2007,665(1):599-607. |
| APA | Troja, E.,Cusumano, G.,O'Brien, PT.,Zhang, B.,Sbarufatti, B.,...&Schady, P.(2007).Swift observations of GRB 070110: An extraordinary X-ray afterglow powered by the central engine.ASTROPHYSICAL JOURNAL,665(1),599-607. |
| MLA | Troja, E,et al."Swift observations of GRB 070110: An extraordinary X-ray afterglow powered by the central engine".ASTROPHYSICAL JOURNAL 665.1(2007):599-607. |
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来源：云南天文台
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