Radiative Avalanche Driven by Spherical Starbursts

Publications of the Astronomical Society of Japan

Fukue, Jun²  Mineshige, Shin¹  Umemura, Masayuki³ 

[1] Department of Astronomy, Faculty of Science, Kyoto Univsersity, Sakyo-ku, Kyoto 606-01;Astronomical Institute, Osaka Kyoiku University, Asahigaoka, Kashiwara, Osaka 582 E-mail:;Center for Computational Physics, University of Tsukuba, Tsukuba, Ibaraki 305

关键词: Accretion;    "Galaxies: active";    Quasars;    "Radiation drag";    Starbursts;   

DOI  :  10.1093/pasj/49.6.673

学科分类：天文学(综合)

来源: Oxford University Press

【 摘 要 】

Weexaminearadiativeavalancheforthecaseofsphericallydistributedsources.Aradiativeavalancheisanewmechanism,inwhichthemass-accretionofthenucleardiskisdrivenviaradiationdragexertedbystellarradiationfromcircumnuclearstarburstregions,andwhichisexpectedtobealinkbetweenstarburstactivitiesandAGNs.Theresultsofthepresentsphericalcasearequalitativelysimilartothoseofthering-likecase.However,thesolidanglesubtendedbythestarburstregionislargeandtheradiationfieldofthestarburstregionhasnoangularmomentum,whichareinfavorfortheavalanchemodel.Inaddition,anavalanchecantakeplacecontinuouslyfromtheoutsidetotheinsideofthestarburstregioninthesphericalcase.

【 授权许可】

Unknown