Utilizza questo identificativo per citare o creare un link a questo documento:
http://hdl.handle.net/20.500.12386/29093
Campo DC | Valore | Lingua |
---|---|---|
dc.contributor.author | Shan, HuanYuan | en_US |
dc.contributor.author | Liu, Xiangkun | en_US |
dc.contributor.author | Hildebrandt, Hendrik | en_US |
dc.contributor.author | Pan, Chuzhong | en_US |
dc.contributor.author | Martinet, Nicolas | en_US |
dc.contributor.author | Fan, Zuhui | en_US |
dc.contributor.author | Schneider, Peter | en_US |
dc.contributor.author | Asgari, Marika | en_US |
dc.contributor.author | Harnois-Déraps, Joachim | en_US |
dc.contributor.author | Hoekstra, Henk | en_US |
dc.contributor.author | Wright, Angus | en_US |
dc.contributor.author | Dietrich, Jörg P. | en_US |
dc.contributor.author | Erben, Thomas | en_US |
dc.contributor.author | GETMAN, FEDOR | en_US |
dc.contributor.author | GRADO, ANIELLO | en_US |
dc.contributor.author | Heymans, Catherine | en_US |
dc.contributor.author | Klaes, Dominik | en_US |
dc.contributor.author | Kuijken, Konrad | en_US |
dc.contributor.author | MERTEN, JULIAN | en_US |
dc.contributor.author | PUDDU, Emanuella Anna | en_US |
dc.contributor.author | RADOVICH, MARIO | en_US |
dc.contributor.author | Wang, Qiao | en_US |
dc.date.accessioned | 2020-12-22T11:13:06Z | - |
dc.date.available | 2020-12-22T11:13:06Z | - |
dc.date.issued | 2018 | en_US |
dc.identifier.issn | 0035-8711 | en_US |
dc.identifier.uri | http://hdl.handle.net/20.500.12386/29093 | - |
dc.description.abstract | This paper is the first of a series of papers constraining cosmological parameters with weak lensing peak statistics using ∼ 450 deg<SUP>2</SUP> of imaging data from the Kilo Degree Survey (KiDS-450). We measure high signal-to-noise ratio (SNR: ν) weak lensing convergence peaks in the range of 3 < ν < 5, and employ theoretical models to derive expected values. These models are validated using a suite of simulations. We take into account two major systematic effects, the boost factor and the effect of baryons on the mass-concentration relation of dark matter haloes. In addition, we investigate the impacts of other potential astrophysical systematics including the projection effects of large-scale structures, intrinsic galaxy alignments, as well as residual measurement uncertainties in the shear and redshift calibration. Assuming a flat Λ cold dark matter model, we find constraints for S_8=σ _8(Ω _m/0.3)^{0.5}=0.746^{+0.046}_{-0.107} according to the degeneracy direction of the cosmic shear analysis and Σ _8=σ _8(Ω _m/0.3)^{0.38}=0.696^{+0.048}_{-0.050} based on the derived degeneracy direction of our high-SNR peak statistics. The difference between the power index of S<SUB>8</SUB> and in Σ<SUB>8</SUB> indicates that combining cosmic shear with peak statistics has the potential to break the degeneracy in σ<SUB>8</SUB> and Ω<SUB>m</SUB>. Our results are consistent with the cosmic shear tomographic correlation analysis of the same data set and ∼2σ lower than the Planck 2016 results. | en_US |
dc.language.iso | eng | en_US |
dc.title | KiDS-450: cosmological constraints from weak lensing peak statistics - I. Inference from analytical prediction of high signal-to-noise ratio convergence peaks | en_US |
dc.type | Article | - |
dc.identifier.doi | 10.1093/mnras/stx2837 | en_US |
dc.identifier.scopus | 2-s2.0-85037685965 | en_US |
dc.identifier.isi | 000424339500079 | en_US |
dc.identifier.url | http://arxiv.org/abs/1709.07651v2 | en_US |
dc.identifier.url | https://academic.oup.com/mnras/article-abstract/474/1/1116/4584476?redirectedFrom=fulltext | en_US |
dc.relation.medium | STAMPA | en_US |
dc.relation.volume | 474 | en_US |
dc.relation.issue | 1 | en_US |
dc.relation.firstpage | 1116 | en_US |
dc.relation.lastpage | 1134 | en_US |
dc.type.referee | REF_1 | en_US |
dc.description.international | sì | en_US |
dc.contributor.country | TWN | en_US |
dc.relation.scientificsector | FIS/05 - ASTRONOMIA E ASTROFISICA | en_US |
dc.relation.journal | MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY | en_US |
dc.type.miur | 262 Articolo in rivista | - |
dc.identifier.adsbibcode | 2018MNRAS.474.1116S | en_US |
dc.description.apc | no | en_US |
dc.description.oa | 1 – prodotto con file in versione Open Access (allegare il file al passo 5-Carica) | en_US |
item.openairecristype | http://purl.org/coar/resource_type/c_18cf | - |
item.openairetype | Article | - |
item.languageiso639-1 | en | - |
item.cerifentitytype | Publications | - |
item.grantfulltext | open | - |
item.fulltext | With Fulltext | - |
crisitem.author.dept | O.A. Capodimonte | - |
crisitem.author.dept | O.A. Capodimonte | - |
crisitem.author.dept | O.A. Capodimonte | - |
crisitem.author.dept | O.A. Padova | - |
crisitem.author.orcid | 0000-0003-1550-0182 | - |
crisitem.author.orcid | 0000-0002-0501-8256 | - |
crisitem.author.orcid | https://orcid.org/0000-0 | - |
crisitem.author.orcid | 0000-0002-4522-6164 | - |
crisitem.author.orcid | 0000-0002-3585-866X | - |
crisitem.journal.journalissn | 0035-8711 | - |
crisitem.journal.ance | E112946 | - |
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