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Fig. 6.


Marginalised posterior distributions for an extended set of cosmological parameters covering the matter density parameter, Ωm, the matter fluctuation amplitude parameter, σ8, the structure growth parameter, S8, the spectral index, ns, the dimensionless Hubble parameter, h, the baryon feedback amplitude parameter, Abary, the intrinsic alignment amplitude, AIA, and the linear bias parameters for the low and high BOSS redshift bins, b1. The KiDS-1000 cosmic shear results (pink), can be compared to the BOSS galaxy clustering results (blue), the combination of cosmic shear with BOSS and 2dFLenS galaxy-galaxy lensing (GGL, purple), and the full 3 × 2 pt analysis (red). The combination of cosmic shear with galaxy clustering (orange) is only distinguishable from the 3 × 2 pt result in the Abary and AIA panels. For parameters constrained by the CMB, we also include constraints from Planck Collaboration VI (2020, grey).

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