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Title: Can Turbulence Dominate Depolarization of Optical Blazars?

Abstract

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 and 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.

Authors:
; ;  [1]
  1. Yunnan Observatories, Chinese Academy of Sciences, 650011 Kunming, Yunnan Province (China)
Publication Date:
OSTI Identifier:
22663455
Resource Type:
Journal Article
Resource Relation:
Journal Name: Astrophysical Journal; Journal Volume: 843; Journal Issue: 1; Other Information: Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
79 ASTROPHYSICS, COSMOLOGY AND ASTRONOMY; ANISOTROPY; BL LACERTAE OBJECTS; CORRELATIONS; DEPOLARIZATION; FARADAY EFFECT; INFRARED RADIATION; MAGNETOHYDRODYNAMICS; POLARIZATION; SCALING; THREE-DIMENSIONAL CALCULATIONS; TURBULENCE; VISIBLE RADIATION

Citation Formats

Guo, Xiaotong, Mao, Jirong, and Wang, Jiancheng, E-mail: jirongmao@mail.ynao.ac.cn. Can Turbulence Dominate Depolarization of Optical Blazars?. United States: N. p., 2017. Web. doi:10.3847/1538-4357/AA7385.
Guo, Xiaotong, Mao, Jirong, & Wang, Jiancheng, E-mail: jirongmao@mail.ynao.ac.cn. Can Turbulence Dominate Depolarization of Optical Blazars?. United States. doi:10.3847/1538-4357/AA7385.
Guo, Xiaotong, Mao, Jirong, and Wang, Jiancheng, E-mail: jirongmao@mail.ynao.ac.cn. Sat . "Can Turbulence Dominate Depolarization of Optical Blazars?". United States. doi:10.3847/1538-4357/AA7385.
@article{osti_22663455,
title = {Can Turbulence Dominate Depolarization of Optical Blazars?},
author = {Guo, Xiaotong and Mao, Jirong and Wang, Jiancheng, E-mail: jirongmao@mail.ynao.ac.cn},
abstractNote = {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 and 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.},
doi = {10.3847/1538-4357/AA7385},
journal = {Astrophysical Journal},
number = 1,
volume = 843,
place = {United States},
year = {Sat Jul 01 00:00:00 EDT 2017},
month = {Sat Jul 01 00:00:00 EDT 2017}
}
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