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Modelling the multi-wavelength emission of flat-spectrum radio quasar 3C 279
Zheng, Y. G.1; Yang CY(杨初源)2,3,4; Zheng, YG (reprint author), Yunnan Normal Univ, Dept Phys, Kunming 650092, Peoples R China.
发表期刊MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
2016-04-21
卷号457期号:4页码:3535-3540
DOI10.1093/mnras/stw078
产权排序第2完成单位
收录类别SCI
关键词Galaxies: Jets Quasars: Individual: 3c 279 Radiation Mechanisms: Non-thermal Gamma-rays: Galaxies
摘要We employ a length-dependent conical jet model for the jet structure and emission properties of flat-spectrum radio quasar 3C 279 in the steady state. In the model, ultra-relativistic leptons are injected at the base of the jet and propagate along the jet structure. Non-thermal photons are produced by both synchrotron emission and inverse Compton scattering off synchrotron photons and external soft photons at each segment of the jet. We derive the total energy spectra contribution through integrating every segment. We apply the model to the quasi-simultaneous multi-wavelength observed data of two quiescent epochs. Using the observed radio data of the source, we determine the length of the jet L similar to 100 pc and the magnetic field B-0 similar to 0.1-1 G at the base of the jet. Assuming a steady geometry of the jet structure and suitable physical parameters, we reproduce the multi-wavelength spectra during two quiescent observed epochs. Our results show that the initial gamma-ray emission site is similar to 0.5 pc from the black hole.
项目资助者National Natural Science Foundation of China(11463007, U1231203) ; Strategic Priority Research Program the Emergence of Cosmological Structures of the Chinese Academy of Sciences(XDB09000000) ; Science and Technology in Support of Yunnan Province Talent(2012HB014) ; Natural Science Foundation of Yunnan Province(2013FD014) ; Key Laboratory of Particle Astrophysics of Yunnan Province(2015DG035)
语种英语
学科领域Astronomy & Astrophysics
文章类型Article
ISSN0035-8711
URL查看原文
WOS记录号WOS:000373586000010
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
关键词[WOS]ACTIVE GALACTIC NUCLEI ; PARSEC-SCALE JETS ; INVERSE-COMPTON EMISSION ; ENERGY GAMMA-RADIATION ; BL LACERTAE OBJECTS ; RELATIVISTIC JETS ; BLAZAR JETS ; PARTICLE-ACCELERATION ; INTERNAL SHOCKS ; RAY EMISSION
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文献类型期刊论文
条目标识符http://ir.ynao.ac.cn/handle/114a53/9578
专题高能天体物理研究组
中国科学院天体结构与演化重点实验室
通讯作者Zheng, YG (reprint author), Yunnan Normal Univ, Dept Phys, Kunming 650092, Peoples R China.
作者单位1.Department of Physics, Yunnan Normal University, Kunming, 650092, China
2.Yunnan Observatories, Chinese Academy of Sciences, Kunming 650011, China
3.Key Laboratory for the Structure and Evolution of Celestial Objects, Chinese Academy of Sciences, Kunming 650011, China
4.Key Laboratory of Particle Astrophysics of Yunnan Province, Kunming 650091, China
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Zheng, Y. G.,Yang CY,Zheng, YG . Modelling the multi-wavelength emission of flat-spectrum radio quasar 3C 279[J]. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,2016,457(4):3535-3540.
APA Zheng, Y. G.,Yang CY,&Zheng, YG .(2016).Modelling the multi-wavelength emission of flat-spectrum radio quasar 3C 279.MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,457(4),3535-3540.
MLA Zheng, Y. G.,et al."Modelling the multi-wavelength emission of flat-spectrum radio quasar 3C 279".MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY 457.4(2016):3535-3540.
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