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A new approach for estimating kinetic luminosity of jet in AGNs
Ma MaoLi; Cao XinWu; Jiang DongRong; Gu MinFeng
2008
Source PublicationCHINESE JOURNAL OF ASTRONOMY AND ASTROPHYSICS
ISSN1009-9271
Volume8Issue:1Pages:39
AbstractThe Konigl inhomogeneous jet model can successfully reproduce most observational features of jets in active galactic nuclei (AGN), when suitable physical parameters are adopted. We improve Konigl's calculations on the core emission from the jet with a small viewing angle theta(0) similar to phi (phi is half opening angle of the conical jet). The proper motion of the jet component provides a constraint on the jet kinematics. Based on the inhomogeneous jet model, we use the proper motion data of the jet component to calculate the minimal kinetic luminosity of the jet required to reproduce the core emission measured by the very-long-baseline interferometry (VLBI) for a sample of BL Lac objects. Our results show that the minimal kinetic luminosity is slightly higher than the bolometric luminosity for most sources in the sample, which implies that radiatively inefficient accretion flows (RIAFs) may be in those BL Lac objects, or/and the properties of their broad-line regions (BLRs) are significantly different from flat-spectrum radio-loud quasars.
KeywordACTIVE GALACTIC NUCLEI BL-LACERTAE OBJECTS RADIO-LOUD QUASARS BLACK-HOLE MASS X-RAY RELATIVISTIC JETS ACCRETION DISKS LINE EMISSION GALAXIES ENERGY galaxies : jet kinematics and dynamics : theory radiation mechanisms : nonthermal BL Lac objects : general
Language英语
Document Type期刊论文
Identifierhttp://ir.bao.ac.cn/handle/114a11/73398
Collection中国科学院国家天文台
Affiliation中国科学院国家天文台
First Author AffilicationNational Astronomical Observatories, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Ma MaoLi,Cao XinWu,Jiang DongRong,et al. A new approach for estimating kinetic luminosity of jet in AGNs[J]. CHINESE JOURNAL OF ASTRONOMY AND ASTROPHYSICS,2008,8(1):39.
APA Ma MaoLi,Cao XinWu,Jiang DongRong,&Gu MinFeng.(2008).A new approach for estimating kinetic luminosity of jet in AGNs.CHINESE JOURNAL OF ASTRONOMY AND ASTROPHYSICS,8(1),39.
MLA Ma MaoLi,et al."A new approach for estimating kinetic luminosity of jet in AGNs".CHINESE JOURNAL OF ASTRONOMY AND ASTROPHYSICS 8.1(2008):39.
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