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The correlation between the Doppler factor and broad line region luminosity in blazars
Du LM(杜雷鸣)1,2,3; Bai JM(白金明)1; Du, LM (reprint author), Chinese Acad Sci, Natl Astron Observ, Yunnan Observ, Kunming 650011, Peoples R China.
Source PublicationSCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY
2012-10
Volume55Issue:10Pages:1938-1944
DOI10.1007/s11433-012-4820-8
Contribution Rank第1完成单位
Indexed BySCI ; EI
KeywordDoppler Factor Broad Line Region Luminosity Jet Power Accretion Power
AbstractThe disk-jet symbiosis is a fundamental problem in our understanding of the Active Galactic Nuclei (AGN). We explore the relation between the Doppler factors delta of the jet of blazars and their broad line region luminosity L (BLR). Since different methods measuring delta might differ substantially, we use data obtained from 3 independent methods and compile 3 samples of sources for each of them, respectively. Two samples consist of blazars, that is, Flat Spectrum Radio Quasars (FSRQs) and BL Lacertae objects (BL Lacs), and the other consists of BL Lacs. delta is one of the most important jet properties and L (BLR) is thought to be the proxy of the accretion power. Correlation analysis to these samples shows that there exists a significant correlation between delta and L (BLR), which supports the idea that the jet powering process is closely linked with the accretion process and provides new evidence for disk-jet connection. Furthermore, the results are consistent with the idea that the Blandford-Znajek mechanism is sufficient for BL Lacs and a hybrid model is needed for FSRQs.
Funding OrganizationNational Natural Science Foundation of China [10973034, 10978019, 11043002] ; State Key Development Program for Basic Research of China [2009CB824800] ; Provincial Natural Science Foundation of Yunnan [09401145, 1012456]
Language英语
Subject AreaPhysics
SubtypeArticle
ISSN1674-7348
URL查看原文
Archive Date2013-05-27
WOS IDWOS:000308953800028
WOS Research AreaPhysics
WOS SubjectPhysics, Multidisciplinary
WOS KeywordACTIVE GALACTIC NUCLEI ; BL LACERTAE OBJECTS ; EXTRAGALACTIC RADIO-SOURCES ; BLACK-HOLES ; ELECTROMAGNETIC EXTRACTION ; BRIGHTNESS TEMPERATURE ; VLBI OBSERVATIONS ; EXTENDED RADIO ; LOUD QUASARS ; JET POWER
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Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ynao.ac.cn/handle/114a53/5417
Collection丽江天文观测站(南方基地)
Corresponding AuthorDu, LM (reprint author), Chinese Acad Sci, Natl Astron Observ, Yunnan Observ, Kunming 650011, Peoples R China.
Affiliation1.National Astronomical Observatories/Yunnan Observatory, Chinese Academy of Sciences, Kunming, 650011, China
2.Graduate University of Chinese Academy of Sciences, Beijing, 100049, China
3.Physics Department, Yunnan Normal University, Kunming, 650050, China
First Author AffilicationYunnan Observatories, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Du LM,Bai JM,Du, LM . The correlation between the Doppler factor and broad line region luminosity in blazars[J]. SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY,2012,55(10):1938-1944.
APA Du LM,Bai JM,&Du, LM .(2012).The correlation between the Doppler factor and broad line region luminosity in blazars.SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY,55(10),1938-1944.
MLA Du LM,et al."The correlation between the Doppler factor and broad line region luminosity in blazars".SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY 55.10(2012):1938-1944.
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