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The orientation of rotation axes of disk galaxies in the coma cluster
Wu, GX; Hu, FX; Su, HJ; Liu, YZ
1998
Source PublicationCHINESE ASTRONOMY AND ASTROPHYSICS
ISSN0275-1062
Volume22Issue:1Pages:17-26
AbstractThe rotation axes of 138 disk galaxies (94 S0, 44 S and Irr) within an area of 2.63 degrees x 2.63 degrees in the Coma cluster have been studied statistically and an anisotropic distribution is revealed. Relative to the isotropic distribution there are more S0 galaxies having their rotation axes parallel to the cluster plane and the projections of the axes on the cluster plane tend to make angles of about 45 degrees with the direction from the cluster center. As to the S and Irr galaxies, their rotation axes tend to be either parallel or perpendicular to the cluster plane and their projections tend to be parallel to the direction fro the center. A morphological dependence of the distribution of rotation axes in Coma is confirmed and there is evidence for a possible luminosity dependence: the distribution for the fainter galaxies appear to be more anisotropic. Our results imply the presence of a preferential plane in Coma and tend to support the "pancake" scenario among the theories of galaxy and cluster formation.
KeywordCluster Of Galaxies Coma Cluster Disk Galaxies Orientation Of Rotation Axes
Subject AreaAstronomy & Astrophysics
WOS HeadingsScience & Technology ; Physical Sciences
WOS KeywordLOCAL-SUPERCLUSTER ; RICH CLUSTERS ; SPIN VECTORS ; EVOLUTION ; DYNAMICS ; CATALOG
Indexed BySCI
Language英语
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS IDWOS:000082336300003
Citation statistics
Cited Times:7[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://libir.pmo.ac.cn/handle/332002/8376
Collection期刊(老文献)
Affiliation1.Chinese Acad Sci, Purple Mt Observ, Nanjing 210008, Peoples R China
2.Univ Sci & Technol China, Grad Sch, Beijing 100039, Peoples R China
Recommended Citation
GB/T 7714
Wu, GX,Hu, FX,Su, HJ,et al. The orientation of rotation axes of disk galaxies in the coma cluster[J]. CHINESE ASTRONOMY AND ASTROPHYSICS,1998,22(1):17-26.
APA Wu, GX,Hu, FX,Su, HJ,&Liu, YZ.(1998).The orientation of rotation axes of disk galaxies in the coma cluster.CHINESE ASTRONOMY AND ASTROPHYSICS,22(1),17-26.
MLA Wu, GX,et al."The orientation of rotation axes of disk galaxies in the coma cluster".CHINESE ASTRONOMY AND ASTROPHYSICS 22.1(1998):17-26.
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