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Evidence for Higher Black Hole Spin in Radio-loud Quasars

文献类型：期刊论文

作者Inoue, Yoshiyuki4; Lu, Youjun2,7; Done, Chris6; Schulze, Andreas1,5; Zhang, Fupeng3; Lu,Youjun
刊名ASTROPHYSICAL JOURNAL
出版日期2017-11-01
卷号849期号:1
关键词Galaxies: Active Galaxies: Nuclei Quasars: General
DOI10.3847/1538-4357/aa9181
文献子类Article
英文摘要One of the major unsolved questions concerning the understanding of the active galactic nucleus population is the origin of the dichotomy between radio-quiet and radio-loud quasars. The most promising explanation is provided by the spin paradigm, which suggests that radio-loud quasars have a higher black hole spin. However, the measurement of black hole spin remains extremely challenging. We here aim at comparing the mean radiative efficiencies of carefully matched samples of radio-loud and radio-quiet Sloan Digital Sky Survey (SDSS) quasars at 0.3 < z < 0.8. We use the [O III] luminosity as an indirect average tracer of the ionizing continuum in the extreme-UV regime where the differences in the spectral energy distribution (SED) due to black hole spin are most pronounced. We find that the radio-loud sample shows an enhancement in [O III] line strength by a factor of at least 1.5 compared to a radio-quiet sample matched in redshift, black hole mass, and optical continuum luminosity or accretion rate. We argue that this enhancement is caused by differences in the SED, suggesting higher average bolometric luminosities at fixed accretion rate in the radio-loud population. This suggests that the radio-loud quasar population has on average systematically higher radiative efficiencies and therefore higher black hole spin than the radio-quiet population, providing observational support for the black hole spin paradigm.
WOS关键词ACTIVE GALACTIC NUCLEI ; DIGITAL SKY SURVEY ; NARROW-LINE REGION ; X-RAY BINARIES ; ADVECTION-DOMINATED ACCRETION ; QUIET QUASARS ; SEYFERT-GALAXIES ; STELLAR OBJECTS ; HOST GALAXIES ; RADIATIVE EFFICIENCY
WOS研究方向Astronomy & Astrophysics
语种英语
WOS记录号WOS:000413701400004
资助机构EACOA ; EACOA ; JSPS KAKENHI(26800098 ; JSPS KAKENHI(26800098 ; STFC(ST/L00075X/1) ; STFC(ST/L00075X/1) ; JSPS Invitation Fellowship for research in Japan(L16518) ; JSPS Invitation Fellowship for research in Japan(L16518) ; National Key Program for Science and Technology Research and Development(2016YFA0400704) ; National Key Program for Science and Technology Research and Development(2016YFA0400704) ; National Natural Science Foundation of China(11373031) ; National Natural Science Foundation of China(11373031) ; JAXA ; JAXA ; Alfred P. Sloan Foundation ; Alfred P. Sloan Foundation ; National Science Foundation ; National Science Foundation ; U.S. Department of Energy ; U.S. Department of Energy ; National Aeronautics and Space Administration ; National Aeronautics and Space Administration ; Japanese Monbukagakusho ; Japanese Monbukagakusho ; Max Planck Society ; Max Planck Society ; Higher Education Funding Council for England ; Higher Education Funding Council for England ; JP16K13813) ; JP16K13813) ; EACOA ; EACOA ; JSPS KAKENHI(26800098 ; JSPS KAKENHI(26800098 ; STFC(ST/L00075X/1) ; STFC(ST/L00075X/1) ; JSPS Invitation Fellowship for research in Japan(L16518) ; JSPS Invitation Fellowship for research in Japan(L16518) ; National Key Program for Science and Technology Research and Development(2016YFA0400704) ; National Key Program for Science and Technology Research and Development(2016YFA0400704) ; National Natural Science Foundation of China(11373031) ; National Natural Science Foundation of China(11373031) ; JAXA ; JAXA ; Alfred P. Sloan Foundation ; Alfred P. Sloan Foundation ; National Science Foundation ; National Science Foundation ; U.S. Department of Energy ; U.S. Department of Energy ; National Aeronautics and Space Administration ; National Aeronautics and Space Administration ; Japanese Monbukagakusho ; Japanese Monbukagakusho ; Max Planck Society ; Max Planck Society ; Higher Education Funding Council for England ; Higher Education Funding Council for England ; JP16K13813) ; JP16K13813)
源URL[http://ir.bao.ac.cn/handle/114a11/20215]  
专题国家天文台_月球与深空探测研究部
作者单位1.EACOA, Ishigaki, Japan
2.Univ Chinese Acad Sci, Sch Astron & Space Sci, 19A Yuquan Rd, Beijing 100049, Peoples R China
3.Sun Yat Sen Univ, Sch Phys & Astron, Guangzhou 510275, Guangdong, Peoples R China
4.Inst Space & Astronaut Sci JAXA, Chuo Ku, 3-1-1 Yoshinodai, Sagamihara, Kanagawa 2525210, Japan
5.Natl Astron Observ Japan, Mitaka, Tokyo 1818588, Japan
6.Univ Durham, Dept Phys, Ctr Extragalact Astron, South Rd, Durham DH1 3LE, England
7.Chinese Acad Sci, Natl Astron Observ, Beijing 100012, Peoples R China
推荐引用方式
GB/T 7714		 Inoue, Yoshiyuki,Lu, Youjun,Done, Chris,et al. Evidence for Higher Black Hole Spin in Radio-loud Quasars[J]. ASTROPHYSICAL JOURNAL,2017,849(1).
APA Inoue, Yoshiyuki,Lu, Youjun,Done, Chris,Schulze, Andreas,Zhang, Fupeng,&Lu,Youjun.(2017).Evidence for Higher Black Hole Spin in Radio-loud Quasars.ASTROPHYSICAL JOURNAL,849(1).
MLA Inoue, Yoshiyuki,et al."Evidence for Higher Black Hole Spin in Radio-loud Quasars".ASTROPHYSICAL JOURNAL 849.1(2017).

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