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Testing one-zone synchrotron-self-Compton models with spectral energy distributions of Mrk 421
Zhu, Qianqian1; Yan DH(闫大海)2,3; Zhang, Pengfei4; Yin, Qian-Qing3,5; Zhang, Li1; Zhang, Shuang-Nan3; Yan, Dahai(Chinese Acad Sci, Yunnan Observ, Kunming 650011, Peoples R China)
发表期刊MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
2016-12-01
卷号463期号:4页码:4481-4489
DOI10.1093/mnras/stw2346
产权排序第2完成单位
收录类别SCI
关键词Radiation Mechanisms: Non-thermal Galaxies: Jets Gamma Rays: Galaxies
摘要We test one-zone synchrotron self-Compton (SSC) models with high-quality multiwavelength spectral energy distribution (SED) data of Mrk 421. We use Markov chain Monte Carlo technique to fit 12 day-scale SEDs of Mrk 421 with one-zone SSC models. Three types of electron energy distribution (EED), a log-parabola (LP) EED, a power-law log-parabola (PLLP) EED and a broken power-law (BPL) EED, are assumed in fits. We find that the one-zone SSC model with the PLLP EED provides successful fits to all the 12 SEDs. However, the one-zone SSC model with the LP and BPL EEDs fail to provide acceptable fits to the highest energy X-ray data or GeV data in several states. We therefore conclude that the one-zone SSC model works well in explaining the SEDs of Mrk 421, and the PLLP EED is preferred over the LP and BPL EEDs for Mrk 421 during the flare in 2010 March. We derive magnetic field B' similar to 0.01 G, Doppler factor delta(D) similar to 30-50 and the curvature parameter of EED r similar to 1-10 in the model with the PLLP EED. The evolutions of model parameters are explored. The physical implications of our results are discussed.
项目资助者China Postdoctoral Science Foundation(2015M570152, 2016T90136) ; Key Laboratory of Astroparticle Physics of Yunnan Province(2015DG035) ; National Natural Science Foundation of China (NSFC)(11573026, 11433004, 11133002, 11373036) ; Top Talents Program of Yunnan Province, China ; National Natural Science Foundation of China(11573060) ; Strategic Priority Research Program ; Emergence of Cosmological Structure of the Chinese Academy of Sciences(XDB09000000) ; 973 Program of China(2014CB845802) ; Qianren start-up grant(292012312D1117210) ; Strategic Priority Research Program 'The Emergence of Cosmological Structures' of the Chinese Academy of Sciences (CAS)(XDB09000000)
语种英语
学科领域天文学
文章类型Article
ISSN0035-8711
URL查看原文
WOS记录号WOS:000393568200073
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
关键词[WOS]EXTRAGALACTIC BACKGROUND LIGHT ; LOG-PARABOLIC SPECTRA ; GAMMA-RAY EMISSION ; BL-LAC OBJECTS ; PARTICLE-ACCELERATION ; 3C 279 ; STOCHASTIC ACCELERATION ; ELECTRON ACCELERATION ; PHYSICAL-PROPERTIES ; EMITTING ELECTRONS
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被引频次:8[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/114a53/9915
专题高能天体物理研究组
通讯作者Yan, Dahai(Chinese Acad Sci, Yunnan Observ, Kunming 650011, Peoples R China)
作者单位1.Department of Astronomy, Key Laboratory of Astroparticle Physics of Yunnan Province, Yunnan University, Kunming 650091, China
2.Yunnan Observatories, Chinese Academy of Sciences, Kunming 650011, China
3.Key Laboratory of Particle Astrophysics, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China
4.Key Laboratory of Dark Matter and Space Astronomy, Purple Mountain Observatory, Chinese Academy of Sciences, Nanjing 210008, China
5.University of Chinese Academy of Sciences, Beijing 100049, China
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Zhu, Qianqian,Yan DH,Zhang, Pengfei,et al. Testing one-zone synchrotron-self-Compton models with spectral energy distributions of Mrk 421[J]. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,2016,463(4):4481-4489.
APA Zhu, Qianqian.,Yan DH.,Zhang, Pengfei.,Yin, Qian-Qing.,Zhang, Li.,...&Yan, Dahai.(2016).Testing one-zone synchrotron-self-Compton models with spectral energy distributions of Mrk 421.MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,463(4),4481-4489.
MLA Zhu, Qianqian,et al."Testing one-zone synchrotron-self-Compton models with spectral energy distributions of Mrk 421".MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY 463.4(2016):4481-4489.
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