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dc.contributor.authorGonzález-Nuevo, J.-
dc.contributor.authorLapi, A.-
dc.contributor.authorNegrello, Mattia-
dc.contributor.authorDanese, L.-
dc.contributor.authorZotti, G. de-
dc.contributor.authorBaes, M.-
dc.contributor.authorBussmann, R. S.-
dc.contributor.authorCai, Z. Y.-
dc.contributor.authorDye, S.-
dc.contributor.authorEales, S.-
dc.contributor.authorIvison, R. J.-
dc.contributor.authorMaddox, S. J.-
dc.contributor.authorMichalowski, M. J.-
dc.identifierdoi: 10.1093/mnras/stu1041-
dc.identifierissn: 0035-8711-
dc.identifiere-issn: 1365-2966-
dc.identifier.citationMonthly Notices of the Royal Astronomical Society 442(3): 2680-2690 (2014)-
dc.descriptionJ. González-Nuevo et al.-
dc.description.abstractWe report a highly significant (>10σ) spatial correlation between galaxies with S350μm ≥ 30 mJy detected in the equatorial fields of the Herschel Astrophysical Terahertz Large Area Survey (H-ATLAS) with estimated redshifts ≳1.5, and Sloan Digital Sky Survey (SDSS) or Galaxy And Mass Assembly (GAMA) galaxies at 0.2 ≤ z ≤ 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 (μ<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 ≲2 arcmin, the signal can be reproduced if SDSS/GAMA galaxies act as signposts of galaxy groups/clusters with halo masses in the range 1013.2-1014.5 M⊙. The signal detected on larger scales appears to reflect the clustering of such haloes. © 2014 The Authors Published by Oxford University Press on behalf of the Royal Astronomical Society.-
dc.description.sponsorshipThe work has been supported in part by the Spanish Ministerio de Ciencia e Innovacion, AYA2012-39475-C02-01, and Consolider-Ingenio 2010, CSD2010-00064, projects and by ASI/INAF Agreement I/072/09/0 for the Planck LFI activity of Phase E2. JGN acknowledges financial support from the Spanish CSIC for a JAE-DOC fellowship, co-funded by the European Social Fund. MN acknowledges final support from PRIN INAF 2012 project ‘Looking into the dust-obscured phase of galaxy formation through cosmic zoom lenses in the Herschel Astrophysical Large Area Survey’.-
dc.publisherOxford University Press-
dc.publisherRoyal Astronomical Society-
dc.relation.isversionofPublisher's version-
dc.titleHerschel*-ATLAS/GAMA: SDSS cross-correlation induced by weak lensing-
dc.description.versionPeer Reviewed-
dc.contributor.funderConsejo Superior de Investigaciones Científicas (España)-
dc.contributor.funderEuropean Commission-
dc.contributor.funderMinisterio de Ciencia e Innovación (España)-
dc.contributor.funderAgenzia Spaziale Italiana-
dc.contributor.funderIstituto Nazionale di Astrofisica-
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