Accurately computing weak lensing convergence

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http://hdl.handle.net/10138/326709

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Koksbang , S M & Clarkson , C 2019 , ' Accurately computing weak lensing convergence ' , Monthly Notices of the Royal Astronomical Society , vol. 486 , no. 1 , pp. L41-L45 . https://doi.org/10.1093/mnrasl/slz055

Title: Accurately computing weak lensing convergence
Author: Koksbang, Sofie Marie; Clarkson, Chris
Contributor organization: Helsinki Institute of Physics
Department of Physics
Date: 2019-06
Language: eng
Number of pages: 5
Belongs to series: Monthly Notices of the Royal Astronomical Society
ISSN: 0035-8711
DOI: https://doi.org/10.1093/mnrasl/slz055
URI: http://hdl.handle.net/10138/326709
Abstract: Weak lensing will play an important role in future cosmological surveys, including e.g. Euclid and SKA. Sufficiently accurate theoretical predictions are important for correctly interpreting these surveys and hence for extracting correct cosmological parameter estimations. We quantify for the first time in a relativistic setting how many post-Born and lens-lens coupling corrections are required for sub-per cent accuracy of the theoretical weak lensing convergence for z
Subject: gravitational lensing: weak
large-scale structure of Universe; cosmology: observations
114 Physical sciences
Peer reviewed: Yes
Rights: cc_by_nc_sa
Usage restriction: openAccess
Self-archived version: publishedVersion


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