BLACK HOLE MASS, JET POWER, AND ACCRETION IN AGNs

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	BLACK HOLE MASS, JET POWER, AND ACCRETION IN AGNs
	Chen, YY 1; Zhang, X1 ; Xiong DR(熊定荣)1,2 ; Yu, XL 1
刊名	ASTRONOMICAL JOURNAL
	2015-07
卷号	150 期号:1
关键词	accretion, accretion disks BL Lacertae objects: general galaxies: active galaxies: jets quasars: general
ISSN号	0004-6256
通讯作者	Chen, YY (reprint author), Yunnan Normal Univ, Dept Phys, Kunming 650500, Peoples R China.
产权排序	第二完成单位
英文摘要	We study the relation between accretion, black hole mass, and jet power in active galactic nuclei (AGNs) using a large group of blazars detected by the Fermi Large Area Telescope and radio galaxies. Our main results are as follows. (1) The jet power of flat spectrum radio quasars (FSRQs) and the FRII high-excitation galaxy (HEG) depends on the black hole mass, which suggests that the FSRQs and FRII HEG are in the radiation-pressure-dominated regime. The jet power of BL Lacs and the FRI low-excitation galaxy (LEG) depends on the accretion, which suggests that the BL Lacs and FRI LEG are in the gas-pressure-dominated regime. (2) We find that most of FSRQs and BL Lacs have P-jet > L-BZ(max), which suggests that the Blandford-Znajek mechanism is insufficient to explain the jet power of these objects. (3) The FSRQs are roughly separated from BL Lacs by Ledlow-Owen's dividing line in the log P-jet - log M plane, which supports the unified scheme of AGNs. (4) The FSRQs and BL Lacs have a clear division at L-bol/L-Edd similar to 0.01, and the distribution of Eddington ratios of BL Lacs and FSRQs exhibits a bimodal nature, which implies that the accretion mode of FSRQs may be different from that of BL Lacs. (5) We find a significant correlation between broad-line luminosity and jet power, which supports a direct tight connection between jet power and accretion.
学科主题	Astronomy & Astrophysics
WOS标题词	Science & Technology ; Physical Sciences
类目[WOS]	Astronomy & Astrophysics
研究领域[WOS]	Astronomy & Astrophysics
关键词[WOS]	ACTIVE GALACTIC NUCLEI ; BL-LACERTAE OBJECTS ; SPECTRAL ENERGY-DISTRIBUTIONS ; ADVECTION-DOMINATED ACCRETION ; LARGE-AREA TELESCOPE ; I RADIO GALAXIES ; RELATIVISTIC JETS ; FERMI BLAZARS ; FR-I ; ELECTROMAGNETIC EXTRACTION
收录类别	SCI
原文出处	http://iopscience.iop.org/article/10.1088/0004-6256/150/1/8/meta
语种	英语
WOS记录号	WOS:000357744400008
内容类型	期刊论文
源URL	[http://ir.ynao.ac.cn/handle/114a53/4261]
专题	云南天文台_其他
作者单位	1.Department of Physics, Yunnan Normal University, Kunming 650500, China 2.National Astronomical Observatories/Yunnan Observatories, Chinese Academy of Sciences, Kunming 650011, China
推荐引用方式 GB/T 7714	Chen, YY,Zhang, X,Xiong DR,et al. BLACK HOLE MASS, JET POWER, AND ACCRETION IN AGNs[J]. ASTRONOMICAL JOURNAL,2015,150(1).
APA	Chen, YY,Zhang, X,Xiong DR,&Yu, XL.(2015).BLACK HOLE MASS, JET POWER, AND ACCRETION IN AGNs.ASTRONOMICAL JOURNAL,150(1).
MLA	Chen, YY,et al."BLACK HOLE MASS, JET POWER, AND ACCRETION IN AGNs".ASTRONOMICAL JOURNAL 150.1(2015).