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Herschel(a similar to...)-ATLAS/GAMA: SDSS cross-correlation induced by weak lensing
Gonzalez-Nuevo, J; Lapi, A; Negrello, M; Danese, L; De Zotti, G; Amber, S; Baes, M; Bland-Hawthorn, J; Bourne, N; Brough, S; Bussmann, RS; Cai, ZY; Cooray, A; Driver, SP; Dunne, L; Dye, S; Eales, S; Ibar, E; Ivison, R; Liske, J; Loveday, J; Maddox, S; Michalowski, MJ; Robotham, ASG; Scott, D; Smith, MWL; Valiante, E; Xia, JQ;夏俊卿
2014
发表期刊MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
卷号442期号:3页码:2680-2690
摘要We report a highly significant (> 10 sigma) spatial correlation between galaxies with S-350 mu m a parts per thousand yen 30 mJy detected in the equatorial fields of the Herschel Astrophysical Terahertz Large Area Survey (H-ATLAS) with estimated redshifts a parts per thousand(3) 1.5, and Sloan Digital Sky Survey (SDSS) or Galaxy And Mass Assembly (GAMA) galaxies at 0.2 a parts per thousand currency sign z a parts per thousand currency sign 0.6. The significance of the cross-correlation is much higher than those reported so far for samples with non-overlapping redshift distributions selected in other wavebands. Extensive, realistic simulations of clustered sub-mm galaxies amplified by foreground structures confirm that the cross-correlation can be explained by weak gravitational lensing (mu < 2). The simulations also show that the measured amplitude and range of angular scales of the signal are larger than can be accounted for by galaxy-galaxy weak lensing. However, for scales a parts per thousand(2) 2 arcmin, the signal can be reproduced if SDSS/GAMA galaxies act as signposts of galaxy groups/clusters with halo masses in the range 10(13.2)-10(14.5) M-aS (TM). The signal detected on larger scales appears to reflect the clustering of such haloes.
关键词methods: statistical cosmology: observations large-scale structure of Universe infrared: galaxies
学科领域Astronomy & Astrophysics
DOI10.1093/mnras/stu1041
收录类别SCI
WOS记录号WOS:000339924300060
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被引频次:6[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/225192
专题粒子天体物理中心
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Gonzalez-Nuevo, J,Lapi, A,Negrello, M,et al. Herschel(a similar to...)-ATLAS/GAMA: SDSS cross-correlation induced by weak lensing[J]. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,2014,442(3):2680-2690.
APA Gonzalez-Nuevo, J.,Lapi, A.,Negrello, M.,Danese, L.,De Zotti, G.,...&Xia, JQ;夏俊卿.(2014).Herschel(a similar to...)-ATLAS/GAMA: SDSS cross-correlation induced by weak lensing.MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,442(3),2680-2690.
MLA Gonzalez-Nuevo, J,et al."Herschel(a similar to...)-ATLAS/GAMA: SDSS cross-correlation induced by weak lensing".MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY 442.3(2014):2680-2690.
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