Insight into the Origin of Multiwavelength Emissions of PKS 1510-089 Through Modeling 12 SEDs from 2008 to 2015
文献类型：期刊论文
| 作者 | Lei, Maichang4; Zheng, Yuan4; Zhang, Jianfu3; Yuan, Yuhai2; Wang JC(王建成)1
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| 刊名 | ASTROPHYSICAL JOURNAL
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| 出版日期 | 2025-07-20 |
| 卷号 | 988期号:1 |
| ISSN号 | 0004-637X |
| DOI | 10.3847/1538-4357/addf3d |
| 产权排序 | 第4完成单位 |
| 文献子类 | Article |
| 英文摘要 | PKS 1510-089 is one of the most peculiar sources among the flat spectrum radio quasars, exhibiting a notable big blue bump. This provides a unique opportunity to explore the coupling between the activity of the central engine and the relativistic jet, offering further insight into the origin of the multiwavelength emissions. To this end, we collected multiwavelength data spanning four periods from 2008 to 2015 and performed the spectral energy distribution (SED) modeling using a one-zone homogeneous leptonic model. In the model, a multichromatic accretion disk (AD) is used to fit the optical/UV data sets, while the external radiation fields from the broad-line region (BLR) and dusty torus (DT) are properly considered to produce the high-energy gamma-ray emissions. Our best fit to 12 SEDs yields the following results: (i) The innermost stable orbit (RISO) of the AD is not stable but varies between 3 RS and 18 RS during these observations. (ii) The high-energy hump of the SED is well dominated by Compton scattering of the BLR photons, while the X-ray flux may be comprised of multiple radiation components. (iii) The gamma-ray emitting regions are generally matter-dominated, with low magnetization, and are located beyond the BLR but within the DT. At such distance, the multiwavelength emissions are likely to originate from shock accelerations. (iv) For the energization of the relativistic jet, our study supports the Blandford-Znajek mechanism, instead of the Blandford-Payne mechanism, as the latter fails to power the jet. |
| 学科主题 | 星系与宇宙学 |
| URL标识 | 查看原文 |
| 出版地 | TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND |
| WOS关键词 | BROAD-LINE REGION ; ACTIVE GALACTIC NUCLEI ; SPECTRAL ENERGY-DISTRIBUTIONS ; GAMMA-RAY VARIABILITY ; BLACK-HOLE SPIN ; BL-LAC OBJECTS ; RADIATION-FIELDS ; FLARING ACTIVITY ; RELATIVISTIC JETS ; RADIO OUTBURSTS |
| 资助项目 | National Natural Science Foundation of China[NSFC-12463004]; Guangdong Major Project of Basic and Applied Basic Research[2024A1515013169]; Growth project of young scientific and technological talents in Colleges and universities in Guizhou Province; Scientific Research Foundation for Doctoral Program of Minzu Normal University of Xingyi[20XYBS16] |
| WOS研究方向 | Astronomy & Astrophysics |
| 语种 | 英语 |
| WOS记录号 | WOS:001525786500001 |
| 出版者 | IOP Publishing Ltd |
| 资助机构 | National Natural Science Foundation of China[NSFC-12463004] ; Guangdong Major Project of Basic and Applied Basic Research[2024A1515013169] ; Growth project of young scientific and technological talents in Colleges and universities in Guizhou Province[Qianjiaohe-KY-Zi[2020]221] ; Scientific Research Foundation for Doctoral Program of Minzu Normal University of Xingyi[20XYBS16] |
| 版本 | 出版稿 |
| 源URL | [http://ir.ynao.ac.cn/handle/114a53/28423]  |
| 专题 | 云南天文台_高能天体物理研究组 |
| 通讯作者 | Lei, Maichang |
| 作者单位 | 1.Yunnan Observatories, Chinese Academy of Sciences, Kunming 650216, People’s Republic of China 2.Center for Astrophysics, Guangzhou University, Guangzhou, Guangdong, 510006, People’s Republic of China; 3.Department of Physics, Xiangtan University, Xiangtan, Hunan 411105, People’s Republic of China; 4.College of Physics and Engineering Technology, Minzu Normal University of Xingyi, Xingyi, Guizhou 562400, People’s Republic of China; maichanglei83@163.com; |
| 推荐引用方式 GB/T 7714 | Lei, Maichang,Zheng, Yuan,Zhang, Jianfu,et al. Insight into the Origin of Multiwavelength Emissions of PKS 1510-089 Through Modeling 12 SEDs from 2008 to 2015[J]. ASTROPHYSICAL JOURNAL,2025,988(1). |
| APA | Lei, Maichang,Zheng, Yuan,Zhang, Jianfu,Yuan, Yuhai,&王建成.(2025).Insight into the Origin of Multiwavelength Emissions of PKS 1510-089 Through Modeling 12 SEDs from 2008 to 2015.ASTROPHYSICAL JOURNAL,988(1). |
| MLA | Lei, Maichang,et al."Insight into the Origin of Multiwavelength Emissions of PKS 1510-089 Through Modeling 12 SEDs from 2008 to 2015".ASTROPHYSICAL JOURNAL 988.1(2025). |
入库方式： OAI收割
来源：云南天文台
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