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  1. OA@INAF
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  3. 1 CONTRIBUTI IN RIVISTE (Journal articles)
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Please use this identifier to cite or link to this item: http://hdl.handle.net/20.500.12386/29545
Title: Future constraints on the gravitational slip with the mass profiles of galaxy clusters
Authors: Pizzuti, Lorenzo
Saltas, Ippocratis D.
Casas, Santiago
Amendola, Luca
BIVIANO, ANDREA 
Issue Date: 2019
Journal: MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY 
Number: 486
Issue: 1
First Page: 596
Abstract: The gravitational slip parameter, defined as the ratio between the two scalar potentials appearing in the linearly perturbed Friedmann-Lemaitre-Robertson Walker metric, is an important discriminator between large classes of gravity theories at cosmological and astrophysical scales. In this work we use a combination of simulated information of galaxy cluster mass profiles, inferred by strong + weak lensing analyses and by the study of the dynamics of the cluster member galaxies, to reconstruct the gravitational slip parameter η and predict the accuracy with which it can be constrained with current and future galaxy cluster surveys. Performing a full-likelihood statistical analysis, we show that galaxy cluster observations can constrain η down to per cent level already with a few tens of clusters. We discuss the significance of possible systematics, and show that the clusters masses and numbers of galaxy members used to reconstruct the dynamics mass profile have a mild effect on the predicted constraints.
URI: http://hdl.handle.net/20.500.12386/29545
URL: https://academic.oup.com/mnras/article/486/1/596/5398550
ISSN: 0035-8711
DOI: 10.1093/mnras/stz825
Bibcode ADS: 2019MNRAS.486..596P
Fulltext: open
Appears in Collections:1.01 Articoli in rivista

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