Table 7.
Uncertainties on the fiducial ΛCDM and w0waCDM cosmologies of Table 3 when ΩK = 0.05, and biases induced from neglecting the non-flat Universe correction for the Euclid cosmic shear probe.
| Cosmo. | ΛCDM Uncertainty | ΛCDM Non-flat Universe | w0waCDM Uncertainty | w0waCDM Non-flat Universe |
|---|---|---|---|---|
| Param. | (1σ) | Bias/σ | (1σ) | Bias/σ |
| Ωm | 0.0050 | 0.043 | 0.014 | −0.062 |
| Ωb | 0.021 | −0.0070 | 0.021 | 8.1 × 10−4 |
| ΩK | 0.034 | 0.043 | 0.062 | −0.054 |
| h | 0.12 | −0.012 | 0.12 | 0.012 |
| ns | 0.029 | −0.010 | 0.030 | 0.012 |
| σ8 | 0.028 | 0.026 | 0.042 | −0.044 |
| w0 | N/A | N/A | 0.14 | −0.090 |
| wa | N/A | N/A | 0.56 | 0.10 |
Notes. The 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%. The predicted biases from this correction are well below significance for all parameters.
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