ACCRETION DISKS IN ACTIVE GALACTIC NUCLEI: GAS SUPPLY DRIVEN BY STAR FORMATION

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	ACCRETION DISKS IN ACTIVE GALACTIC NUCLEI: GAS SUPPLY DRIVEN BY STAR FORMATION
	Wang JM(王建民); Yan CS(闫昌硕); Gao HQ(高汉秦); Hu C(胡晨); Li YR(李彦荣); Zhang S(张澍); Wang, JM; Yan, CS; Gao, HQ; Hu, C
刊名	ASTROPHYSICAL JOURNAL LETTERS
	2010
卷号	719 期号:2 页码:L148-L152
关键词	accretion, accretion disks quasars: general stars: formation
通讯作者	[Wang, Jian-Min ; Yan, Chang-Shuo ; Gao, Han-Qin ; Hu, Chen ; Li, Yan-Rong ; Zhang, Shu] Chinese Acad Sci, Inst High Energy Phys, Key Lab Particle Astrophys, Beijing 100049, Peoples R China
英文摘要	Self-gravitating accretion disks collapse to star-forming (SF) regions extending to the inner edge of the dusty torus in active galactic nuclei (AGNs). A full set of equations including feedback of star formation is given to describe the dynamics of the regions. We explore the role of supernova explosions (SNexp), which act to excite turbulent viscosity, in the transportation of angular momentum in the regions within 1 pc scale. We find that accretion disks with typical rates in AGNs can be driven by SNexp in the regions and metals are produced spontaneously. The present model predicts a metallicity-luminosity relationship consistent with that observed in AGNs. As relics of SF regions, a ring (or belt) consisting of old stars remains for every episode of supermassive black hole activity. We suggest that multiple stellar rings with random directions interact and form a nuclear star cluster after episodes driven by star formation.
学科主题	Astronomy & Astrophysics
类目[WOS]	Astronomy & Astrophysics
研究领域[WOS]	Astronomy & Astrophysics
原文出处	SCI
语种	英语
WOS记录号	WOS:000281199900009
内容类型	期刊论文
源URL	[http://ir.ihep.ac.cn/handle/311005/240251]
专题	高能物理研究所_粒子天体物理中心高能物理研究所_实验物理中心
作者单位	中国科学院高能物理研究所
推荐引用方式 GB/T 7714	Wang JM,Yan CS,Gao HQ,et al. ACCRETION DISKS IN ACTIVE GALACTIC NUCLEI: GAS SUPPLY DRIVEN BY STAR FORMATION[J]. ASTROPHYSICAL JOURNAL LETTERS,2010,719(2):L148-L152.
APA	王建民.,闫昌硕.,高汉秦.,胡晨.,李彦荣.,...&Zhang, S.(2010).ACCRETION DISKS IN ACTIVE GALACTIC NUCLEI: GAS SUPPLY DRIVEN BY STAR FORMATION.ASTROPHYSICAL JOURNAL LETTERS,719(2),L148-L152.
MLA	王建民,et al."ACCRETION DISKS IN ACTIVE GALACTIC NUCLEI: GAS SUPPLY DRIVEN BY STAR FORMATION".ASTROPHYSICAL JOURNAL LETTERS 719.2(2010):L148-L152.