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Primordial alignment of elliptical galaxies in intermediate redshift clusters
Rong Y(容昱); Zhang SN(张双南); Liao JY(廖进元); Rong; Y.; S.-N. Zhang and J.-Y. Liao
2015
Source PublicationMONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
ISSN0035-8711
EISSN1365-2966
Volume453Issue:2Pages:1577-1586
Corresponding Author容昱 ; 张双南
SubtypeArticle
AbstractWe measure primordial alignments for the red galaxies in the sample of eight massive galaxy clusters in the southern sky from the Cluster Lensing And Supernova survey with Hubble-Very Large Telescope (CLASH-VLT) Large Programme, at a median redshift of 0.375. We find primordial alignment with about 3 sigma significance in the four dynamically young clusters, but null detection of primordial alignment in the four highly relaxed clusters. The observed primordial alignment is not dominated by any single one of the four dynamically young clusters, and is primarily due to a population of bright galaxies (M-r < -20.5) residing in the region 300-810 kpc from the cluster centres. For the first time, we point out that the combination of radial alignment and halo alignment can cause fake primordial alignment. Finally, we find that the detected alignment for the dynamically young clusters is real rather than fake primordial alignment.
Keywordmethods: statistical galaxies: clusters: general galaxies: structure
Subject AreaAstronomy & Astrophysics
DOI10.1093/mnras/stv1705
Indexed BySCI ; ADS
Language英语
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS IDWOS:000363486000032
ADS Bibcode2015MNRAS.453.1577R
ADS URLhttps://ui.adsabs.harvard.edu/abs/2015MNRAS.453.1577R
ADS CITATIONShttps://ui.adsabs.harvard.edu/abs/2015MNRAS.453.1577R/citations
Citation statistics
Cited Times:6 [ADS]
Document Type期刊论文
Identifierhttp://ir.ihep.ac.cn/handle/311005/229010
Collection粒子天体物理中心
Recommended Citation
GB/T 7714
Rong Y,Zhang SN,Liao JY,et al. Primordial alignment of elliptical galaxies in intermediate redshift clusters[J]. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,2015,453(2):1577-1586.
APA 容昱,张双南,廖进元,Rong,Y.,&S.-N. Zhang and J.-Y. Liao.(2015).Primordial alignment of elliptical galaxies in intermediate redshift clusters.MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,453(2),1577-1586.
MLA 容昱,et al."Primordial alignment of elliptical galaxies in intermediate redshift clusters".MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY 453.2(2015):1577-1586.
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