Constraining evolution of magnetic field strength in the dissipation region of two BL Lac objects
文献类型：期刊论文
| 作者 | Fan, Xu-Liang5 ; Yan DH(闫大海)3,4; Wu, Qing-Wen2; Chen, Xu1
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| 刊名 | RESEARCH IN ASTRONOMY AND ASTROPHYSICS
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| 出版日期 | 2022 |
| 卷号 | 21期号:12 |
| ISSN号 | 1674-4527 |
| 关键词 | BL Lacertae objects: general BL Lacertae objects: individual (S5 0716+714, BL Lacertae) galaxies: magnetic fields |
| DOI | 10.1088/1674-4527/ac299e |
| 产权排序 | 第2完成单位 |
| 文献子类 | Article |
| 英文摘要 | With the assumption that the optical variability timescale is dominated by the cooling time of the synchrotron process for BL Lac objects, we estimate time dependent magnetic field strength of the emission region for two BL Lac objects. The average magnetic field strengths are consistent with those estimated from core shift measurement and spectral energy distribution modelling. Variation of magnetic field strength in the dissipation region is discovered. Variability of flux and magnetic field strength shows no clear correlation, which indicates the variation of magnetic field is not the dominant reason of the variability origin. The evolution of magnetic field strength can provide another approach to constrain the energy dissipation mechanism in jets. |
| 学科主题 | 天文学 ; 星系与宇宙学 ; 星系形成与演化 |
| URL标识 | 查看原文 |
| 出版地 | 20A DATUN RD, CHAOYANG, BEIJING, 100012, PEOPLES R CHINA |
| WOS关键词 | SPECTRAL ENERGY-DISTRIBUTION ; ACTIVE GALACTIC NUCLEI ; BLAZAR S5 0716+714 ; INTRADAY VARIABILITY ; OPTICAL VARIABILITY ; RELATIVISTIC JETS ; LINEAR-POLARIZATION ; LACERTAE OBJECTS ; MICROVARIABILITY ; CAMPAIGN |
| 资助项目 | National Natural Science Foundation of China (NSFC)National Natural Science Foundation of China (NSFC)[11803081] ; National Natural Science Foundation of China (NSFC)National Natural Science Foundation of China (NSFC)[11947099] ; National Natural Science Foundation of China (NSFC)National Natural Science Foundation of China (NSFC)[U1931203] ; National Natural Science Foundation of China (NSFC)National Natural Science Foundation of China (NSFC)[12003014] ; CAS Youth Innovation Promotion Association and Basic Research Program of Yunnan Province[202001AW070013] |
| WOS研究方向 | Astronomy & Astrophysics |
| 语种 | 英语 |
| 出版者 | NATL ASTRONOMICAL OBSERVATORIES, CHIN ACAD SCIENCES |
| WOS记录号 | WOS:000741583900001 |
| 资助机构 | National Natural Science Foundation of China (NSFC)National Natural Science Foundation of China (NSFC)[11803081, 11947099, U1931203, 12003014] ; CAS Youth Innovation Promotion Association and Basic Research Program of Yunnan Province[202001AW070013] |
| 版本 | 出版稿 |
| 源URL | [http://ir.ynao.ac.cn/handle/114a53/24788]  |
| 专题 | 云南天文台_高能天体物理研究组 云南天文台_中国科学院天体结构与演化重点实验室 |
| 通讯作者 | Fan, Xu-Liang |
| 作者单位 | 1.Shandong Provincial Key Laboratory of Optical Astronomy and Solar-Terrestrial Environment, Institute of Space Sciences, Shandong University, Weihai 264209, China 2.School of Physics, Huazhong University of Science and Technology,Wuhan 430074, China; 3.Key Laboratory for the Structure and Evolution of Celestial Objects, Chinese Academy of Sciences, Kunming 650011, China; 4.Yunnan Observatories, Chinese Academy of Sciences, Kunming 650011, China; 5.School of Mathematics, Physics and Statistics, Shanghai University of Engineering Science, Shanghai 201620, China;; |
| 推荐引用方式 GB/T 7714 | Fan, Xu-Liang,Yan DH,Wu, Qing-Wen,et al. Constraining evolution of magnetic field strength in the dissipation region of two BL Lac objects[J]. RESEARCH IN ASTRONOMY AND ASTROPHYSICS,2022,21(12). |
| APA | Fan, Xu-Liang,Yan DH,Wu, Qing-Wen,&Chen, Xu.(2022).Constraining evolution of magnetic field strength in the dissipation region of two BL Lac objects.RESEARCH IN ASTRONOMY AND ASTROPHYSICS,21(12). |
| MLA | Fan, Xu-Liang,et al."Constraining evolution of magnetic field strength in the dissipation region of two BL Lac objects".RESEARCH IN ASTRONOMY AND ASTROPHYSICS 21.12(2022). |
入库方式： OAI收割
来源：云南天文台
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