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Weak lensing magnification in the dark energy survey science verification data

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posted on 2023-06-09, 12:43 authored by M Garcia-Fernandez, E Sanchez, I Sevilla-Noarbe, E Suchyta, E M Huff, E Gaztanaga, J Aleksic, R Ponce, F J Castander, B Hoyle, Kathy RomerKathy Romer, The DES Collaboration and
In this paper, the effect of weak lensing magnification on galaxy number counts is studied by cross-correlating the positions of two galaxy samples, separated by redshift, using the Dark Energy Survey Science Verification data set. This analysis is carried out for galaxies that are selected only by its photometric redshift. An extensive analysis of the systematic effects, using new methods based on simulations is performed, including a Monte Carlo sampling of the selection function of the survey.

Funding

University of Sussex Astronomy Consolidated Grant 2017-2020; G2050; STFC-SCIENCE AND TECHNOLOGY FACILITIES COUNCIL; ST/P000525/1

History

Publication status

  • Published

File Version

  • Published version

Journal

Monthly Notices Of The Royal Astronomical Society

ISSN

0035-8711

Publisher

Oxford University Press

Issue

1

Volume

476

Page range

1071-1085

Department affiliated with

  • Physics and Astronomy Publications

Full text available

  • Yes

Peer reviewed?

  • Yes

Legacy Posted Date

2018-04-04

First Open Access (FOA) Date

2018-04-04

First Compliant Deposit (FCD) Date

2018-04-04

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