A modified synchrotron model for knots in the M87 jet
文献类型：期刊论文
| 作者 | Liu, Wen-Po; Shen, Zhi-Qiang |
| 刊名 | ASTROPHYSICAL JOURNAL
 |
| 出版日期 | 2007-10-10 |
| 卷号 | 668期号:1页码:L23-L26 |
| 关键词 | galaxies : active galaxies : individual (M87) galaxies : jets radiation mechanisms : nonthermal |
| 英文摘要 | To explain the broadband spectral shape of knots in the M87 jet from radio through optical to X-rays, we propose a modified synchrotron model that considers the integrated effect of particle injection from different acceleration sources in the thin acceleration region. This results in two break frequencies at two sides of which the spectral index of knots in the M87 jet changes. We discuss the possible implications of these results for the physical properties in the M87 jet. The observed flux of the knots in the M87 jet from radio to X-rays can be satisfactorily explained by the model, and the predicted spectra from ultraviolet to X-rays could be further tested by future observations. The model implies that knots D, E, F, A, B, and C1 are unlikely to be candidates for the TeV emission recently detected in M87. |
| 学科主题 | 星系与宇宙学研究中心 |
| WOS标题词 | Science & Technology ; Physical Sciences |
| 类目[WOS] | Astronomy & Astrophysics |
| 研究领域[WOS] | Astronomy & Astrophysics |
| 关键词[WOS] | HUBBLE-SPACE-TELESCOPE ; X-RAY-EMISSION ; EXTRAGALACTIC JETS ; HIGH-RESOLUTION ; RADIO ; ULTRAVIOLET ; SPECTRUM ; HST-1 ; ACCELERATION ; VARIABILITY |
| 收录类别 | SCI |
| 语种 | 英语 |
| WOS记录号 | WOS:000250010700006 |
| 公开日期 | 2010-11-08 |
| 源URL | [http://119.78.226.72//handle/331011/12323]  |
| 专题 | 上海天文台_星系宇宙学重点实验室 |
| 作者单位 | 1.Shanghai Astron Observ, Shanghai, Peoples R China 2.Chinese Acad Sci, Grad Sch, Beijing, Peoples R China |
| 推荐引用方式 GB/T 7714 | Liu, Wen-Po,Shen, Zhi-Qiang. A modified synchrotron model for knots in the M87 jet[J]. ASTROPHYSICAL JOURNAL,2007,668(1):L23-L26. |
| APA | Liu, Wen-Po,&Shen, Zhi-Qiang.(2007).A modified synchrotron model for knots in the M87 jet.ASTROPHYSICAL JOURNAL,668(1),L23-L26. |
| MLA | Liu, Wen-Po,et al."A modified synchrotron model for knots in the M87 jet".ASTROPHYSICAL JOURNAL 668.1(2007):L23-L26. |
入库方式： OAI收割
来源：上海天文台
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