PMO OpenIR  > 历算和天文参考系研究团组
Virial equilibrium states of spheroidal stellar systems
Fu, YN; Sun, YS
1999-03-11
Source PublicationMONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
ISSN0035-8711
Volume303Issue:4Pages:801-805
AbstractIn this paper, we present virial equilibrium states of spheroidal stellar systems and study their linear stability. We consider the cases of both homogeneous and a particular class of heterogeneous spheroids. It is assumed that K(11) = K(22) = alpha K(33), where K(ii) is the ith diagonal element of the kinetic-energy tensor and alpha a positive constant. The semi-axes of the considered spheroidal stellar systems satisfy a set of reversible ordinary differential equations derived from the non-stationary tensor virial theorem. For each alpha, there exists a unique equilibrium state that is linearly stable under our assumptions. The equilibrium configuration is prolate, spherical and oblate if alpha < 1, alpha = 1 and alpha > 1, respectively.
KeywordGalaxies : Elliptical And Lenticular, Cd Galaxies : Kinematics And Dynamics Galaxies : Structure
Subject AreaAstronomy & Astrophysics
WOS HeadingsScience & Technology ; Physical Sciences
WOS KeywordOSCILLATIONS
Indexed BySCI
Language英语
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS IDWOS:000079388300018
Citation statistics
Document Type期刊论文
Identifierhttp://libir.pmo.ac.cn/handle/332002/8303
Collection历算和天文参考系研究团组
Affiliation1.Acad Sinica, Purple Mt Observ, Nanjing 210008, Peoples R China
2.Nanjing Univ, Dept Astron, Nanjing 210008, Peoples R China
Recommended Citation
GB/T 7714
Fu, YN,Sun, YS. Virial equilibrium states of spheroidal stellar systems[J]. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,1999,303(4):801-805.
APA Fu, YN,&Sun, YS.(1999).Virial equilibrium states of spheroidal stellar systems.MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,303(4),801-805.
MLA Fu, YN,et al."Virial equilibrium states of spheroidal stellar systems".MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY 303.4(1999):801-805.
Files in This Item:
File Name/Size DocType Version Access License
1999033Virial equili(207KB) 开放获取LicenseView Application Full Text
Related Services
Recommend this item
Bookmark
Usage statistics
Export to Endnote
Google Scholar
Similar articles in Google Scholar
[Fu, YN]'s Articles
[Sun, YS]'s Articles
Baidu academic
Similar articles in Baidu academic
[Fu, YN]'s Articles
[Sun, YS]'s Articles
Bing Scholar
Similar articles in Bing Scholar
[Fu, YN]'s Articles
[Sun, YS]'s Articles
Terms of Use
No data!
Social Bookmark/Share
File name: 1999033Virial equilibrium states of spheroidal stellar systems.pdf
Format: Adobe PDF
All comments (0)
No comment.
 

Items in the repository are protected by copyright, with all rights reserved, unless otherwise indicated.