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The cosmology dependence of weak lensing cluster counts


Marian, L; Smith, R E; Bernstein, G M (2009). The cosmology dependence of weak lensing cluster counts. Astrophysical Journal Letters, 698(1):L33-L36.

Abstract

We present the main results of a numerical study of weak lensing cluster counting. We examine the scaling with cosmology of the projected-density-peak mass function. Our main conclusion is that the projected-peak and the three-dimensional mass functions scale with cosmology in an astonishingly close way. This means that, despite being derived from a two-dimensional field, the weak lensing cluster abundance can be used to constrain cosmology in the same way as the three-dimensional mass function probed by other types of surveys.

Abstract

We present the main results of a numerical study of weak lensing cluster counting. We examine the scaling with cosmology of the projected-density-peak mass function. Our main conclusion is that the projected-peak and the three-dimensional mass functions scale with cosmology in an astonishingly close way. This means that, despite being derived from a two-dimensional field, the weak lensing cluster abundance can be used to constrain cosmology in the same way as the three-dimensional mass function probed by other types of surveys.

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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:07 Faculty of Science > Institute for Computational Science
Dewey Decimal Classification:530 Physics
Scopus Subject Areas:Physical Sciences > Astronomy and Astrophysics
Physical Sciences > Space and Planetary Science
Uncontrolled Keywords:galaxies: clusters: general, large-scale structure of universe, methods: N-body simulations
Language:English
Date:June 2009
Deposited On:22 Feb 2010 10:11
Last Modified:23 Jan 2022 16:06
Publisher:IOP Publishing
ISSN:2041-8205
Funders:Marie Curie Reintegration Grant, Swiss National Foundation, NSF [AST-0607667], NASA [BEFS-04-0014-0018], Department of Energy [DOE-DEFG02-95ER40893], Deutsche Forschungsgemeinschaft
OA Status:Green
Free access at:Publisher DOI. An embargo period may apply.
Publisher DOI:https://doi.org/10.1088/0004-637X/698/1/L33
Related URLs:http://arxiv.org/abs/0811.1991
Other Identification Number:ISI:000266373600008
Project Information:
  • : Funder
  • : Grant ID
  • : Project TitleMarie Curie Reintegration Grant
  • : FunderSNSF
  • : Grant ID
  • : Project TitleSwiss National Foundation
  • : Funder
  • : Grant ID
  • : Project TitleNSF [AST-0607667]
  • : Funder
  • : Grant ID
  • : Project TitleNASA [BEFS-04-0014-0018]
  • : Funder
  • : Grant ID
  • : Project TitleDepartment of Energy [DOE-DEFG02-95ER40893]
  • : Funder
  • : Grant ID
  • : Project TitleDeutsche Forschungsgemeinschaft

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