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Fig. 11.

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Extended marginalised 1D and 2D posteriors for relevant ΛCDM and astrophysical parameters: the matter density parameter (Ωm), the amplitude of matter density fluctuations (), σ8 as a derived parameter, the physical baryonic matter density (Ωbh2), the dimensionless Hubble constant (h), and the spectral index (ns). Included are also two nuisance parameters: the amplitude of intrinsic alignments (AIA) and the baryonic feedback amplitude (Abary) as these correlate with some cosmological parameters. When combining the KiDS-1000 pseudo-C constraints (red) with the SDSS BAO and RSD constraints (blue), we obtain constraints (purple) that break a few degeneracies that cosmic shear alone cannot. For comparison, we added the Planck 2018 TTTEEE-lowE (Planck Collaboration V 2020) constrains (green) and the KiDS-1000 band-powers constraints (orange) from Asgari et al. (2021).

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