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The connections between accretion, jets, and blazar unification
Xie GZ(谢光中)1; Dai H(戴宏)1,2,3; Zhou, SB2; Xie, GZ (reprint author), Chinese Acad Sci, Yunnan Observ, Natl Astron Observ, POB 110, Kunming 650011, Peoples R China.
发表期刊ASTRONOMICAL JOURNAL
2007-10
卷号134期号:4页码:1464-1467
DOI10.1086/521552
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收录类别SCI
关键词Accretion Accretion Disks Galaxies : Jets Quasars : Emission Lines Quasars : General
摘要For a large sample of quasi- simultaneous spectra of blazars from radio to far- infrared wavelengths, we study the correlations of the luminosity of the broad-line emission ( L-BLR) with the radio core luminosity ( L-R(C)) and the extended radio luminosity ( P-E). A strong correlation between log L-BLR and log L-R(C) is found for 48 blazars, and the slope of the linear regression equation is close to 1. Our results support the hypothesis that blazar jets are powered by energy extraction from a rapidly spinning Kerr black hole through the magnetic field provided by the accretion disk. Using partial correlation regression analysis for the same sample, we find that the linear correlation coefficient between log L-BLR and log L-R(C) is stronger with the effect of the redshift excluded, and the linear correlation coefficient between log L-BLR and log P-E is also significant. The results seem to show that the coupling of the jet and accretion disk is very tight, so that L-BLR also correlates significantly with extended radio luminosity.
语种英语
学科领域Astronomy & Astrophysics
文章类型Article
ISSN0004-6256
URL查看原文
归档日期2007-10-11
WOS记录号WOS:000249781800014
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
关键词[WOS]ACTIVE GALACTIC NUCLEI ; EXTRAGALACTIC RADIO-SOURCES ; DISK SYMBIOSIS ; QUASARS ; LOUD ; EMISSION ; OBJECTS ; ENERGY ; RATES ; AGN
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文献类型期刊论文
条目标识符http://ir.ynao.ac.cn/handle/114a53/7019
专题星系研究组
通讯作者Xie, GZ (reprint author), Chinese Acad Sci, Yunnan Observ, Natl Astron Observ, POB 110, Kunming 650011, Peoples R China.
作者单位1.National Astronomical Observatories/Yunnan Observatory, Chinese Academy of Sciences, P.O. Box 110, Kunming 650011, China
2.Yunnan Astrophysics Center, Yunnan University, Kunming 650091, China
3.The Graduate School of the Chinese Academy of Sciences, Beijing, China
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Xie GZ,Dai H,Zhou, SB,et al. The connections between accretion, jets, and blazar unification[J]. ASTRONOMICAL JOURNAL,2007,134(4):1464-1467.
APA Xie GZ,Dai H,Zhou, SB,&Xie, GZ .(2007).The connections between accretion, jets, and blazar unification.ASTRONOMICAL JOURNAL,134(4),1464-1467.
MLA Xie GZ,et al."The connections between accretion, jets, and blazar unification".ASTRONOMICAL JOURNAL 134.4(2007):1464-1467.
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