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The expected isotropic distribution curves in galactic alignment
Wu, G. X.
2006-06-01
Source PublicationASTRONOMY & ASTROPHYSICS
ISSN0004-6361
Volume452Issue:3Pages:807-809
AbstractGalactic alignment may be a probe of galaxy formation. In such studies, comparisons between the observational distribution of the spin vectors of galaxies and the assumed isotropic distribution are usually performed to try to decide whether alignment exists or not. It has been pointed out that the isotropic distribution that is usually adopted suffers from severe selection effects for the location of cluster and inclination of galaxies. We repeated this simulation for the expected isotropic distribution, and these selection effects were confirmed. Moreover, our results show that the selection effect for the location of cluster can be sidestepped by using the appropriate reference frame, if there is no selection for inclination. This result is especially useful in studies of galactic alignment using samples measured by fitting a certain isophotal level.
KeywordGalaxies : Cluster : General Galaxies : Statistics
Subject AreaAstronomy & Astrophysics
WOS HeadingsScience & Technology ; Physical Sciences
DOI10.1051/0004-6361:20054659
WOS KeywordSPIN VECTOR ORIENTATIONS ; LOCAL-SUPERCLUSTER ; DISK GALAXIES ; MORPHOLOGICAL DEPENDENCE ; ANGULAR-MOMENTUM ; ABELL-CLUSTERS ; VIRGO CLUSTER ; EVOLUTION
Indexed BySCI
Language英语
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS IDWOS:000238117900010
Citation statistics
Cited Times:4[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://libir.pmo.ac.cn/handle/332002/3642
Collection期刊(老文献)
AffiliationChinese Acad Sci, Purple Mt Observ, Nanjing 210008, Peoples R China
Recommended Citation
GB/T 7714
Wu, G. X.. The expected isotropic distribution curves in galactic alignment[J]. ASTRONOMY & ASTROPHYSICS,2006,452(3):807-809.
APA Wu, G. X..(2006).The expected isotropic distribution curves in galactic alignment.ASTRONOMY & ASTROPHYSICS,452(3),807-809.
MLA Wu, G. X.."The expected isotropic distribution curves in galactic alignment".ASTRONOMY & ASTROPHYSICS 452.3(2006):807-809.
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