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Can Turbulence Dominate Depolarization of Optical Blazars?
Guo XT(郭晓通)1,2,3,4; Mao JR(毛基荣)1,2,3; Wang JC(王建成)1,2,3; Mao, Jirong(Chinese Acad Sci, Yunnan Observ, Kunming 650011, Yunnan Province, Peoples R China)
发表期刊ASTROPHYSICAL JOURNAL
2017-07-01
卷号843期号:1
DOI10.3847/1538-4357/aa7385
产权排序第1完成单位
收录类别SCI
关键词Bl Lacertae Objects: General Magnetohydrodynamics (Mhd) Polarization Radiation Mechanisms: Non-thermal Turbulence
摘要We carefully examine the depolarization feature of blazars in the optical and near-infrared bands using the sample of Mead et al. Magnetohydrodynamics turbulence could. be one possible reason for the depolarization of optical/infrared blazars when we apply the theoretical analysis of Lazarian & Pogosyan. We further identify in the sample that the depolarization results shown in most blazars roughly obey the form of the three-dimensional anisotropic Kolmogorov scaling. The effective Faraday rotation window length scale is not small enough to resolve the polarization correlation length scale in the blazar sample. The depolarization and the related turbulent features show diversities in different blazar sources. We suggest more simultaneous observations in both the optical/infrared and the high-energy bands for the study of the blazar polarization.
项目资助者National Natural Science Foundation of China(11673062, 11573060, 11661161010) ; Hundred Talent Program of the Chinese Academy of Sciences ; Major Program of the Chinese Academy of Sciences(KJZD-EW-M06) ; Oversea Talent Program of Yunnan Province ; Strategic Priority Research Program "The Emergence of Cosmological Structures" of the Chinese Academy of Sciences(XDB09000000)
语种英语
学科领域天文学
文章类型Article
ISSN0004-637X
URL查看原文
WOS记录号WOS:000404347000023
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
关键词[WOS]ACTIVE GALACTIC NUCLEI ; GAMMA-RAY FLARE ; FARADAY-ROTATION MEASURE ; BL-LACERTAE OBJECTS ; SPECTRUM RADIO-SOURCES ; MAGNETIC TWIST MODEL ; MULTIWAVELENGTH OBSERVATIONS ; POLARIZATION PROPERTIES ; SYNCHROTRON-RADIATION ; LIGHT CURVES
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被引频次:3[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/114a53/10143
专题高能天体物理研究组
通讯作者Mao, Jirong(Chinese Acad Sci, Yunnan Observ, Kunming 650011, Yunnan Province, Peoples R China)
作者单位1.Yunnan Observatories, Chinese Academy of Sciences, 650011 Kunming, Yunnan Province, China
2.Center for Astronomical Mega-Science, Chinese Academy of Sciences, 20A Datun Road, Chaoyang District, 100012 Beijing, China
3.Key Laboratory for the Structure and Evolution of Celestial Objects, Chinese Academy of Sciences, 650011 Kunming, China
4.University of Chinese Academy of Sciences, 100049 Beijing, China
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GB/T 7714
Guo XT,Mao JR,Wang JC,et al. Can Turbulence Dominate Depolarization of Optical Blazars?[J]. ASTROPHYSICAL JOURNAL,2017,843(1).
APA Guo XT,Mao JR,Wang JC,&Mao, Jirong.(2017).Can Turbulence Dominate Depolarization of Optical Blazars?.ASTROPHYSICAL JOURNAL,843(1).
MLA Guo XT,et al."Can Turbulence Dominate Depolarization of Optical Blazars?".ASTROPHYSICAL JOURNAL 843.1(2017).
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