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Weak lensing magnification in the dark energy survey science verification data

Weak lensing magnification in the dark energy survey science verification data
Weak lensing magnification in the dark energy survey science verification data

In this paper, the effect of weak lensing magnification on galaxy number counts is studied bycross-correlating the positions of two galaxy samples, separated by redshift, using the DarkEnergy Survey Science Verification data set. This analysis is carried out for galaxies that areselected only by its photometric redshift. An extensive analysis of the systematic effects, usingnew methods based on simulations is performed, including a Monte Carlo sampling of theselection function of the survey.

Gravitational lensing: weak, Large-scale structure of Universe, Methods: data analysis, Techniques: photometric
1365-2966
1071-1085
Garcia-Fernandez, M.
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Sanchez, E.
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Sevilla-Noarbe, I.
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Suchyta, E.
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Gaztanaga, E.
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The DES Collaboration
Garcia-Fernandez, M.
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Sanchez, E.
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Sevilla-Noarbe, I.
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Suchyta, E.
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Huff, E.M.
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Gaztanaga, E.
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Aleksić, J.
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Ponce, R.
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Bertin, E.
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Brooks, D.
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Burke, L.
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Rosell, A. Carnero
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Kind, M. Carrasco
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Crocce, M.
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Cunha, E.
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D'Andrea, C.B.
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da Costa, L.N.
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DePoy, D.L.
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Desai, S.
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Fernandez, E.
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Flaugher, B.
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Fosalba, P.
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Frieman, J.
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García-Bellido, J.
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Gerdes, D. W.
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Giannantonio, T.
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Gruen, D.
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Gruendl, R.A.
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Gschwend, J.
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Gutierrez, G.
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James, D.J.
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Jarvis, M.
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Kirk, D.
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Kuehn, K.
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Kuropatkin, N.
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Lahav, O.
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Garcia-Fernandez, M., Sanchez, E., Sevilla-Noarbe, I., Suchyta, E., Huff, E.M., Gaztanaga, E., Aleksić, J., Ponce, R., Castander, F.J., Hoyle, B., Abbott, T.M.C., Abdalla, F.B., Allam, S., Annis, J., Benoit-Lévy, A., Bernstein, G.M., Bertin, E., Brooks, D., Buckley-Geer, E., Burke, L., Rosell, A. Carnero, Kind, M. Carrasco, Carretero, J., Crocce, M., Cunha, E., D'Andrea, C.B., da Costa, L.N., DePoy, D.L., Desai, S., Diehl, H.T., Eifler, T.F., Evrard, A.E., Fernandez, E., Flaugher, B., Fosalba, P., Frieman, J., García-Bellido, J., Gerdes, D. W., Giannantonio, T., Gruen, D., Gruendl, R.A., Gschwend, J., Gutierrez, G., James, D.J., Jarvis, M., Kirk, D., Krause, E., Kuehn, K., Kuropatkin, N. and Lahav, O. , The DES Collaboration (2018) Weak lensing magnification in the dark energy survey science verification data. Monthly Notices of the Royal Astronomical Society, 476 (1), 1071-1085. (doi:10.1093/mnras/sty282).

Record type: Article

Abstract

In this paper, the effect of weak lensing magnification on galaxy number counts is studied bycross-correlating the positions of two galaxy samples, separated by redshift, using the DarkEnergy Survey Science Verification data set. This analysis is carried out for galaxies that areselected only by its photometric redshift. An extensive analysis of the systematic effects, usingnew methods based on simulations is performed, including a Monte Carlo sampling of theselection function of the survey.

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More information

Accepted/In Press date: 30 January 2018
e-pub ahead of print date: 2 February 2018
Published date: 1 May 2018
Keywords: Gravitational lensing: weak, Large-scale structure of Universe, Methods: data analysis, Techniques: photometric
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Identifiers

Local EPrints ID: 420398
URI: http://eprints.soton.ac.uk/id/eprint/420398
DOI: doi:10.1093/mnras/sty282
ISSN: 1365-2966
PURE UUID: 0bf3e551-51c6-481d-a665-019922142898

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Date deposited: 04 May 2018 16:31
Last modified: 11 Nov 2024 19:38

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Contributors

Author: M. Garcia-Fernandez
Author: E. Sanchez
Author: I. Sevilla-Noarbe
Author: E. Suchyta
Author: E.M. Huff
Author: E. Gaztanaga
Author: J. Aleksić
Author: R. Ponce
Author: F.J. Castander
Author: B. Hoyle
Author: T.M.C. Abbott
Author: F.B. Abdalla
Author: S. Allam
Author: J. Annis
Author: A. Benoit-Lévy
Author: G.M. Bernstein
Author: E. Bertin
Author: D. Brooks
Author: E. Buckley-Geer
Author: L. Burke
Author: A. Carnero Rosell
Author: M. Carrasco Kind
Author: J. Carretero
Author: M. Crocce
Author: E. Cunha
Author: C.B. D'Andrea
Author: L.N. da Costa
Author: D.L. DePoy
Author: S. Desai
Author: H.T. Diehl
Author: T.F. Eifler
Author: A.E. Evrard
Author: E. Fernandez
Author: B. Flaugher
Author: P. Fosalba
Author: J. Frieman
Author: J. García-Bellido
Author: D. W. Gerdes
Author: T. Giannantonio
Author: D. Gruen
Author: R.A. Gruendl
Author: J. Gschwend
Author: G. Gutierrez
Author: D.J. James
Author: M. Jarvis
Author: D. Kirk
Author: E. Krause
Author: K. Kuehn
Author: N. Kuropatkin
Author: O. Lahav
Corporate Author: The DES Collaboration

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