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Testing gravity using galaxy-galaxy lensing and clustering amplitudes in KiDS-1000, BOSS, and 2dFLenS

Blake, Chris; Amon, Alexandra; Asgari, M; Bilicki, Maciej Iej; Dvornik, Andrej; Erben, Thomas; Giblin, Benjamin; Glazebrook, Karl; Heymans, Catherine; Hildebrandt, H; Joachimi, Benjamin; Lidman, Christopher


The physics of gravity on cosmological scales affects both the rate of assembly of large-scale structure and the gravitational lensing ofbackground light through this cosmic web. By comparing the amplitude of these different observational signatures, we can constructtests that can distinguish general relativity from its potential modifications. We used the latest weak gravitational lensing dataset fromthe Kilo-Degree Survey, KiDS-1000, in conjunction with overlapping galaxy spectroscopic...[Show more]

CollectionsANU Research Publications
Date published: 2020
Type: Journal article
Source: Astronomy and Astrophysics
DOI: 10.1051/0004-6361/202038505
Access Rights: Open Access


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