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Verification of the diffusive shock acceleration in Mrk 501
Zheng YG(郑永刚)1,2,3,4; Long, G. B.5; Yang CY(杨初源)2,4; Bai JM(白金明)2,4
发表期刊MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
2018-08-01
卷号478期号:3页码:3855-3861
DOI10.1093/mnras/sty1323
产权排序第2完成单位
收录类别SCI
关键词Acceleration Of Particles Radiation Mechanisms: Non-thermal Bl Lacertae Objects: Individual: (Mrk 501)
摘要

The present work considers a plane shock front propagating along a cylindrical jet. Electrons experience diffusive shock acceleration around the shock front, and subsequently drift away into the downstream flow, in which they emit most of their energy. Assuming a proper boundary condition at the interface between the shock zone and the downstream zone, we solve the transport equation for the electrons in the downstream flow zone, where the combined effects of escape, synchrotron and inverse Compton cooling in the Thomson regime are taken into account. Using the electron spectrum obtained in this manner we calculate the multi-wavelength spectral energy distribution of Mrk 501 in the synchrotron self-Compton scenario. We check numerically if the Klein-Nishina cross-section could be approximated to the Thomsom regime. We consider whether the model results yield physically reasonable parameters, and further discuss some of the implications of the model results. They suggest that the process of diffusive shock acceleration operates in the outflow of Mrk 501.

资助项目National Natural Science Foundation of China[11133006] ; National Natural Science Foundation of China[11433004] ; National Natural Science Foundation of China[11463007] ; National Natural Science Foundation of China[11673060] ; Key Research Program of the CAS[KJZD-EW-M06] ; Natural Science Foundation of Yunnan Province[2016FB003] ; Natural Science Foundation of Yunnan Province[2017FD072] ; Specialized Research Fund for Shandong Provincial Key Laboratory ; Key Laboratory of Particle Astrophysics of Yunnan Province[2015DG035]
项目资助者National Natural Science Foundation of China ; Key Research Program of the CAS ; Natural Science Foundation of Yunnan Province ; Specialized Research Fund for Shandong Provincial Key Laboratory ; Key Laboratory of Particle Astrophysics of Yunnan Province
语种英语
学科领域天文学
学科门类理学 ; 理学::天文学
文章类型Article
出版者OXFORD UNIV PRESS
ISSN0035-8711
URL查看原文
WOS记录号WOS:000441282300073
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
关键词[WOS]High-energy Emission ; Stochastic Particle-acceleration ; Log-parabolic Spectra ; Self-compton Model ; Gamma-ray Emission ; Bl-lac Objects ; Blazar Jets ; Electron Acceleration ; Relativistic Shocks ; Tev Blazars
引用统计
文献类型期刊论文
条目标识符http://ir.ynao.ac.cn/handle/114a53/17842
专题丽江天文观测站(南方基地)
中国科学院天体结构与演化重点实验室
通讯作者Zheng YG(郑永刚); Bai JM(白金明)
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.Shandong Provincial Key Laboratory of Optical Astronomy and Solar-Terrestrial Environment, Shandong University, Weihai, 264209ong Univ, Shandong Prov Key Lab Opt Astron & Solar Terr Env, Weihai 264209, Peoples R China
4.Key Laboratory for the Structure and Evolution of Celestial Objects, Chinese Academy of Sciences, Kunming 650011, China
5.Department of Physics and Astronomy, Sun Yat-Sen University, Zhuhai 519082, China
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GB/T 7714
Zheng YG,Long, G. B.,Yang CY,et al. Verification of the diffusive shock acceleration in Mrk 501[J]. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,2018,478(3):3855-3861.
APA Zheng YG,Long, G. B.,Yang CY,&Bai JM.(2018).Verification of the diffusive shock acceleration in Mrk 501.MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,478(3),3855-3861.
MLA Zheng YG,et al."Verification of the diffusive shock acceleration in Mrk 501".MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY 478.3(2018):3855-3861.
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