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The mass-luminosity relation, accretion rate-luminosity relation, and evolutionary sequence of blazars
Xie GZ(谢光中)1,2; Zhou SB(周曙白)1,2; Liang EW(梁恩维)1; Xie, GZ (reprint author), Chinese Acad Sci, Natl Astron Observ, Kunming 650011, Peoples R China.
发表期刊ASTRONOMICAL JOURNAL
2004-01
卷号127期号:1页码:53-57
DOI10.1086/380218
产权排序第1完成单位
收录类别SCI
关键词Black Hole Physics Galaxies : Active Galaxies : Evolution Galaxies : Nuclei Quasars : General
摘要A sample of 39 blazars each with a well-established rapid variability timescale and bolometric luminosity has been compiled from the literature. Based on the assumption that central supermassive black holes (SMBHs) are Kerr black holes, the upper limits of the SMBHs were estimated. The masses ranged from 10(7.2) to 10(9.4) M-circle dot, showing a distribution of three subclasses: massive flat-spectrum radio quasars (FSRQs) and smaller mass BL Lac objects occupying separate regions, while medium-mass FSRQs and BL Lac objects bridge the gap. We found that the mass-intrinsic luminosity relations for FSRQs and BL Lac objects are the same. Analysis reveals a relationship of log (L-in/L-circle dot)=1.225 log (M/M-circle dot) + 1.500, which mimics a relationship found in the main sequence. We found that the intrinsic accretion rates are quite different between FSRQs and BL Lac objects. The diagram of the intrinsic accretion rate-luminosity relation shows that FSRQs occur in the earlier, high-luminosity, violent phase of the galactic evolution sequence, while BL Lac objects occur in the low-luminosity, late phase of the galactic evolution sequence. Of note is that the results of the mass-luminosity relation of blazars are consistent with the accretion rate-luminosity relation, and together they prove that active galactic nuclei evolve from FSRQs to BL Lac objects. The evolution diagram of blazars derived in this paper seems to be a Hertzsprung-Russell diagram of star evolution.
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2004-03-02
WOS记录号WOS:000188745300006
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
关键词[WOS]BL-LACERTAE OBJECTS ; SUPERMASSIVE BLACK-HOLES ; ACTIVE GALACTIC NUCLEI ; RAY-LOUD BLAZARS ; SPECTRAL ENERGY-DISTRIBUTIONS ; VARIABILITY TIME-SCALES ; HISTORICAL LIGHT-CURVE ; QUASI-STELLAR OBJECTS ; GAMMA-RAY ; RADIO-LOUD
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文献类型期刊论文
条目标识符http://ir.ynao.ac.cn/handle/114a53/6983
专题星系研究组
通讯作者Xie, GZ (reprint author), Chinese Acad Sci, Natl Astron Observ, Kunming 650011, Peoples R China.
作者单位1.Yunnan Observatory, National Astronomical Observatories, Chinese Academy of Sciences, Kunming 650011, China
2.Yunnan Astrophysics Center, Yunnan University, Kunming 650091, China
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Xie GZ,Zhou SB,Liang EW,et al. The mass-luminosity relation, accretion rate-luminosity relation, and evolutionary sequence of blazars[J]. ASTRONOMICAL JOURNAL,2004,127(1):53-57.
APA Xie GZ,Zhou SB,Liang EW,&Xie, GZ .(2004).The mass-luminosity relation, accretion rate-luminosity relation, and evolutionary sequence of blazars.ASTRONOMICAL JOURNAL,127(1),53-57.
MLA Xie GZ,et al."The mass-luminosity relation, accretion rate-luminosity relation, and evolutionary sequence of blazars".ASTRONOMICAL JOURNAL 127.1(2004):53-57.
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