Journal article

Euclid preparation: VI. Verifying the performance of cosmic shear experiments

Abstract:: Our aim is to quantify the impact of systematic effects on the inference of cosmological parameters from cosmic shear. We present an end-to-end approach that introduces sources of bias in a modelled weak lensing survey on a galaxy-by-galaxy level. Residual biases are propagated through a pipeline from galaxy properties (one end) through to cosmic shear power spectra and cosmological parameter estimates (the other end), to quantify how imperfect knowledge of the pipeline changes the maximum likelihood values of dark energy parameters. We quantify the impact of an imperfect correction for charge transfer inefficiency (CTI) and modelling uncertainties of the point spread function (PSF) for Euclid, and find that the biases introduced can be corrected to acceptable levels.

Publication status:: Published

Peer review status:: Peer reviewed

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APA Style

Collaboration, E., Paykari, P., Kitching, T. D., Hoekstra, H., Azzollini, R., Cardone, V. F., Cropper, M., Duncan, C. A. J., Kannawadi, A., Miller, L., Aussel, H., Conti, I. F., Auricchio, N., Baldi, M., Bardelli, S., Biviano, A., Bonino, D., Borsato, E., Bozzo, E., … Galeotta, S. (2020). Euclid preparation: VI. Verifying the performance of cosmic shear experiments. Astronomy and Astrophysics, 635(March 2020), A139.

MLA Style

Collaboration, Euclid, et al. “Euclid Preparation: VI. Verifying the Performance of Cosmic Shear Experiments.” Astronomy and Astrophysics, vol. 635, no. March 2020, EDP Sciences, 2020, p. A139.

Chicago Style

Collaboration, Euclid, P Paykari, TD Kitching, H Hoekstra, R Azzollini, VF Cardone, M Cropper, et al. 2020. “Euclid Preparation: VI. Verifying the Performance of Cosmic Shear Experiments.” Astronomy and Astrophysics 635 (March 2020): A139.
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Files:: PaykarietalVOR2020.pdf

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Publisher copy:: 10.1051/0004-6361/201936980

Authors

+ Euclid Collaboration More by this author

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+ Paykari, P More by this author

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+ Kitching, TD More by this author

Role:: Author

+ Hoekstra, H More by this author

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+ Azzollini, R More by this author

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Publisher:: EDP Sciences
Journal:: Astronomy and Astrophysics More from this journal
Volume:: 635
Issue:: March 2020
Pages:: A139
Publication date:: 2020-03-23
Acceptance date:: 2020-01-26
DOI:: 10.1051/0004-6361/201936980
EISSN:: 1432-0746
ISSN:: 0004-6361

Language:: English
Keywords:: FFR

astro-ph.CO
Pubs id:: 1068199
Local pid:: pubs:1068199
Deposit date:: 2020-03-31

Terms of use

Copyright holder:: ESO
Copyright date:: 2020
Rights statement:: © ESO 2020

Licence:: Terms and Conditions of Use for Oxford University Research Archive

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