Is the GeV-TeV emission of PKS 0447-439 from the proton synchrotron radiation?
Gao, Quan-Gui1,2,3; Lu, Fang-Wu1,2,3; Ma, Ju1; Ren, Ji-Yang1; Li, Huai-Zhen1,2,3
发表期刊ASTROPHYSICS AND SPACE SCIENCE
2018-06-01
卷号363期号:6页码:6
DOI10.1007/s10509-018-3341-y
收录类别SCI
关键词Radiation mechanisms: non-thermal BL Lacertae objects: individual: PKS 0447-439 Gamma rays: galaxies
摘要

We study the multi-wavelength emission features of PKS 0447-439 in the frame of the one-zone homogeneous lepto-hadronic model. In this model, we assumed that the steady power-laws with exponential cut-offs distributions of protons and electrons are injected into the source. The non-linear time-dependent kinematic equations, describing the evolution of protons, electrons and photons, are defined; these equations self-consistently involve synchrotron radiation of protons, photon-photon interaction, synchrotron radiation of electron/positron pairs, inverse Compton scattering and synchrotron self-absorption. The model is applied to reproduce the multi-wavelength spectrum of PKS 0447-439. Our results indicate that the spectral energy distribution (SED) of PKS 0447-439 can be reproduced well by the model. In particular, the GeV-TeV emission is produced by the synchrotron radiation of relativistic protons. The physically plausible solutions require the magnetic strength 10 G less than or similar to B less than or similar to 100 G. We found that the observed spectrum of PKS 0447-439 can be reproduced well by the model whether z = 0.16 or z = 0.2, and the acceptable upper limit of red-shift is z = 0.343.

资助项目Program for Innovative Research Team (in Science and Technology) in University of Yunnan Province (IRTSTYN) ; Open Projects of Key Laboratory for the Structure and Evolution of Celestial Objects of Chinese Academy of Sciences[OP201505] ; Yunnan Local Colleges Applied Basic Research Projects[2017FH001-017] ; Science Research Foundation of Yunnan Education Department of China[2017ZZX177] ; Science Research Foundation of Yunnan Education Department of China[2018JS422]
项目资助者Program for Innovative Research Team (in Science and Technology) in University of Yunnan Province (IRTSTYN) ; Open Projects of Key Laboratory for the Structure and Evolution of Celestial Objects of Chinese Academy of Sciences[OP201505] ; Yunnan Local Colleges Applied Basic Research Projects[2017FH001-017] ; Science Research Foundation of Yunnan Education Department of China[2017ZZX177, 2018JS422]
语种英语
学科领域天文学 ; 天体物理学 ; 高能天体物理学 ; 星系与宇宙学
学科门类理学 ; 理学::天文学
文章类型Article
出版者SPRINGER
出版地VAN GODEWIJCKSTRAAT 30, 3311 GZ DORDRECHT, NETHERLANDS
ISSN0004-640X
URL查看原文
WOS记录号WOS:000460284100002
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
关键词[WOS]CATALOG ; OBJECTS
引用统计
被引频次:2[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ynao.ac.cn/handle/114a53/19528
专题中国科学院天体结构与演化重点实验室
通讯作者Li, Huai-Zhen
作者单位1.Physics Department, Yuxi Normal University, Yuxi, China
2.Key Laboratory for the Structure and Evolution of Celestial Objects, Chinese Academy of Sciences, Kunming, China
3.Key Laboratory of Astroparticle Physics of Yunnan Province, Kunming, China
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Gao, Quan-Gui,Lu, Fang-Wu,Ma, Ju,et al. Is the GeV-TeV emission of PKS 0447-439 from the proton synchrotron radiation?[J]. ASTROPHYSICS AND SPACE SCIENCE,2018,363(6):6.
APA Gao, Quan-Gui,Lu, Fang-Wu,Ma, Ju,Ren, Ji-Yang,&Li, Huai-Zhen.(2018).Is the GeV-TeV emission of PKS 0447-439 from the proton synchrotron radiation?.ASTROPHYSICS AND SPACE SCIENCE,363(6),6.
MLA Gao, Quan-Gui,et al."Is the GeV-TeV emission of PKS 0447-439 from the proton synchrotron radiation?".ASTROPHYSICS AND SPACE SCIENCE 363.6(2018):6.
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