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The Lorentz factor distribution and luminosity function of relativistic jets in AGNs
Liu Y(刘元); Zhang SN(张双南); Liu, Y; Zhang, SN
2007
发表期刊ASTROPHYSICAL JOURNAL
卷号667期号:2页码:724-730
通讯作者Tsing Hua Univ, Dept Phys, Beijing 100084, Peoples R China ; Tsing Hua Univ, Ctr Astrophys, Beijing 100084, Peoples R China ; Chinese Acad Sci, Inst High Energy Phys, Key Lab Particle Astrophys, Beijing, Peoples R China ; Univ Alabama, Dept Phys, Huntsville, AL 35899 USA
文章类型Article
摘要The observed apparent velocities and luminosities of the relativistic jets in AGNs are significantly different from their intrinsic values, due to strong special relativistic effects. We adopt the maximum likelihood method to determine simultaneously the intrinsic luminosity function and the Lorentz factor distribution of a sample of AGNs. The values of the best-estimated parameters are consistent with the previous results, but with much better accuracy. In previous studies, it was assumed that the shape of the observed luminosity function of Fanaroff-Riley type II radio galaxies is the same as the intrinsic luminosity function of radio-loud quasars. Our results prove the validity of this assumption. We also find that low- and high-redshift groups divided at z = 0.1 are likely to be from different parent populations.
关键词galaxies : active galaxies : jets galaxies : luminosity function, mass function galaxies : statistics
学科领域Astronomy & Astrophysics
研究领域[WOS]Astronomy & Astrophysics ; Astronomy & Astrophysics
DOI10.1086/520040
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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:000249699200007
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被引频次:9[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/311005/238358
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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GB/T 7714
Liu Y,Zhang SN,Liu, Y,et al. The Lorentz factor distribution and luminosity function of relativistic jets in AGNs[J]. ASTROPHYSICAL JOURNAL,2007,667(2):724-730.
APA 刘元,张双南,Liu, Y,&Zhang, SN.(2007).The Lorentz factor distribution and luminosity function of relativistic jets in AGNs.ASTROPHYSICAL JOURNAL,667(2),724-730.
MLA 刘元,et al."The Lorentz factor distribution and luminosity function of relativistic jets in AGNs".ASTROPHYSICAL JOURNAL 667.2(2007):724-730.
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