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POWERFUL RADIO EMISSION FROM LOW-MASS SUPERMASSIVE BLACK HOLES FAVORS DISK-LIKE BULGES
Wang, J.1,2; Xu, Y.1,2; Xu, D. W.1,2; Wei, J. Y.1,2
2016-12-10
发表期刊ASTROPHYSICAL JOURNAL LETTERS
卷号833期号:1
摘要The origin of spin of low-mass supermassive black holes (SMBHs) is still a puzzle at present. We report here a study on the host galaxies of a sample of radio-selected nearby (z < 0.05) Seyfert 2 galaxies with a BH mass of 106-7. M-circle dot. By modeling the SDSS r-band images of these galaxies through a two-dimensional bulge+disk decomposition, we identify a new dependence of SMBH's radio power on host bulge surface brightness profiles, in which more powerful radio emission comes from an SMBH associated with a more disk-like bulge. This result means low-mass and high-mass SMBHs are spun up by two entirely different modes that correspond to two different evolutionary paths. A low-mass SMBH is spun up by a gas accretion with significant disk-like rotational dynamics of the host galaxy in the secular evolution, while a high-mass one by a BH-BH merger in the merger evolution.
文章类型Article
关键词Galaxies: Bulges Galaxies: Nuclei Galaxies: Seyfert
WOS标题词Science & Technology ; Physical Sciences
资助者National Basic Research Program of China(2009CB824800) ; National Basic Research Program of China(2009CB824800) ; National Natural Science Foundation of China(11473036 ; National Natural Science Foundation of China(11473036 ; 11273027) ; 11273027) ; National Basic Research Program of China(2009CB824800) ; National Basic Research Program of China(2009CB824800) ; National Natural Science Foundation of China(11473036 ; National Natural Science Foundation of China(11473036 ; 11273027) ; 11273027)
DOI10.3847/2041-8205/833/1/L2
关键词[WOS]ACTIVE GALACTIC NUCLEI ; LINE SEYFERT 1 ; DIGITAL SKY SURVEY ; HOST GALAXIES ; STAR-FORMATION ; ELECTROMAGNETIC EXTRACTION ; ACCRETION DISKS ; PSEUDO-BULGES ; O-II ; EVOLUTION
收录类别SCI
语种英语
资助者National Basic Research Program of China(2009CB824800) ; National Basic Research Program of China(2009CB824800) ; National Natural Science Foundation of China(11473036 ; National Natural Science Foundation of China(11473036 ; 11273027) ; 11273027) ; National Basic Research Program of China(2009CB824800) ; National Basic Research Program of China(2009CB824800) ; National Natural Science Foundation of China(11473036 ; National Natural Science Foundation of China(11473036 ; 11273027) ; 11273027)
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
WOS记录号WOS:000401603900002
引用统计
文献类型期刊论文
条目标识符http://ir.bao.ac.cn/handle/114a11/8775
专题空间科学研究部
作者单位1.Chinese Acad Sci, CAS Key Lab Space Astron & Technol, Natl Astron Observ, Beijing, Peoples R China
2.Univ Chinese Acad Sci, Sch Astron & Space Sci, Beijing, Peoples R China
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Wang, J.,Xu, Y.,Xu, D. W.,et al. POWERFUL RADIO EMISSION FROM LOW-MASS SUPERMASSIVE BLACK HOLES FAVORS DISK-LIKE BULGES[J]. ASTROPHYSICAL JOURNAL LETTERS,2016,833(1).
APA Wang, J.,Xu, Y.,Xu, D. W.,&Wei, J. Y..(2016).POWERFUL RADIO EMISSION FROM LOW-MASS SUPERMASSIVE BLACK HOLES FAVORS DISK-LIKE BULGES.ASTROPHYSICAL JOURNAL LETTERS,833(1).
MLA Wang, J.,et al."POWERFUL RADIO EMISSION FROM LOW-MASS SUPERMASSIVE BLACK HOLES FAVORS DISK-LIKE BULGES".ASTROPHYSICAL JOURNAL LETTERS 833.1(2016).
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