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; Li, YR; Zhang, S
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
学科分类Astronomy & Astrophysics
DOI10.1088/2041-8205/719/2/L148
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
文章类型Article
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.
类目[WOS]Astronomy & Astrophysics
研究领域[WOS]Astronomy & Astrophysics
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语种英语
WOS记录号WOS:000281199900009
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被引频次:14[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/240251
专题中国科学院高能物理研究所_粒子天体物理中心_期刊论文
中国科学院高能物理研究所_实验物理中心
中国科学院高能物理研究所_粒子天体物理中心
作者单位中国科学院高能物理研究所
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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.
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