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Table 6.

Uncertainties (along with the biases induced from neglecting the various corrections) on the w0waCDM parameters of Table 3 for Euclid.

Cosm. Uncertainty RS SLC MB SO SO-SLC SO-MB LU Total Total
Param. (1σ) Bias/σ Bias/σ Bias/σ Bias/σ Bias/σ Bias/σ Bias/σ All Sig.
Ωm 0.010 −0.079 1.25 0.12 0.12 0.0025 −0.0022 0.14 1.55 1.49
Ωb 0.021 −0.0013 0.30 0.069 −0.021 7.2 × 10−4 −5.8 × 10−4 −0.0032 0.35 0.35
h 0.13 0.0057 0.11 0.11 −0.053 3.2 × 10−4 −6.3 × 10−4 −0.015 0.16 0.17
ns 0.031 0.051 −0.19 −0.19 0.026 −3.0 × 10−4 0.0015 −0.045 −0.35 −0.35
σ8 0.012 0.081 −1.19 0.017 −0.19 −0.0024 0.0011 −0.093 −1.38 −1.36
w0 0.13 −0.076 0.81 0.55 −0.039 0.0011 −0.0051 0.032 1.28 1.31
wa 0.36 0.022 −0.51 −0.60 0.27 −3.3 × 10−4 0.0053 0.097 −0.72 −0.84

Notes. This table considers the case when ΩK = 0, and accordingly lists the biases resulting from all corrections except the non-flat Universe correction. That can be found in Table 7. All biases are given as a fraction of the 1σ uncertainty on each parameter. A bias is considered significant if it reaches or exceeds 0.25σ, as at this point its uncorrected and corrected confidence contours overlap by less than 90%. ‘RS’ denotes the reduced shear correction, ‘SLC’ is the source-lens clustering term, ‘MB’ is the magnification bias correction, ‘SO’ is the two-point source obscuration correction, ‘SO-MB’ and ‘SO-SLC’ are the source obscuration-magnification bias and source-lens clustering cross terms respectively, and ‘LU’ is the local Universe correction. The total biases from the sum of all corrections, as well as the total biases from only the individually significant corrections are also given.

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