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Extended multiwavelength fuzz around red quasars: The observational appearance of radiative feedback in action
Wang JM(王建民); Wang, JM
2008
发表期刊ASTROPHYSICAL JOURNAL LETTERS
卷号682期号:2页码:L81-L84
通讯作者[Wang, Jian-Min] Chinese Acad Sci, Inst High Energy Phys, Key Lab Particle Astrophys, Beijing 100049, Peoples R China ; [Wang, Jian-Min] Chinese Acad Sci, Theoret Phys Ctr Sci Facil, Beijing 100864, Peoples R China
文章类型Article
摘要Red quasars are a population characterized by significant extinction in UV, which could be explained by absorption of dusty gas on a scale of a few kpc. We show that the enhanced radiation pressure drives the dusty gas to supersonically expand and produces shocks. The shocks energize electrons to be relativistic via the first Fermi acceleration. As a balance of shock acceleration and synchrotron emission and inverse Compton scattering, the maximum Lorentz factor of the electrons reaches similar to 10(6). The shocked interstellar medium appears as extended multiwavelength fuzz, in which synchrotron emission from the electrons peaks at near-infrared or UV bands and inverse Compton scattering around 1.0 GeV-0.1 TeV. Future multiwavelength images of the fuzz would provide new clues to study the details of radiative feedback if red quasars are a certain phase in the evolutionary chains of galaxies.
关键词black hole physics galaxies : evolution quasars : general
学科领域Astronomy & Astrophysics
研究领域[WOS]Astronomy & Astrophysics ; Astronomy & Astrophysics
DOI10.1086/590928
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语种英语
研究领域[WOS]Astronomy & Astrophysics ; Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
WOS记录号WOS:000258620900003
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被引频次:6[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/240301
专题粒子天体物理中心
作者单位中国科学院高能物理研究所
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Wang JM,Wang, JM. Extended multiwavelength fuzz around red quasars: The observational appearance of radiative feedback in action[J]. ASTROPHYSICAL JOURNAL LETTERS,2008,682(2):L81-L84.
APA 王建民,&Wang, JM.(2008).Extended multiwavelength fuzz around red quasars: The observational appearance of radiative feedback in action.ASTROPHYSICAL JOURNAL LETTERS,682(2),L81-L84.
MLA 王建民,et al."Extended multiwavelength fuzz around red quasars: The observational appearance of radiative feedback in action".ASTROPHYSICAL JOURNAL LETTERS 682.2(2008):L81-L84.
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