Table 2.
Relative differences of the 95% confidence level with respect to the baseline (Euclid + Rubin) + DESI + eROSITA pessimistic case.
| Base. opt. | Base.+ | Base.+ | Base.+DESI | Base. prio. | Base.+ | Base.+ | Base.+DESI | |
|---|---|---|---|---|---|---|---|---|
| DESI opt. | eROSITA opt. | eROSITA opt. | DESI prio. | eROSITA prio. | +eROSITA prio. | |||
| δ0 | 3.5% | 4.6% | 4.1% | 4.1% | 3.5% | 2.3% | 4.1% | 3.5% |
| zB | 21.9% | 25.9% | 28.3% | 61.9% | −1.4% | 28.3% | 15.3% | 38.0% |
| h | 87% | 93.0% | 88.9% | 93.8% | −76.6% | 53.2% | 25.5% | 58.5% |
| σ8 | 71.9% | 80.5% | 81.9% | 87.1% | −461.9% | 41.4% | 25.7% | 60% |
| Ωm, 0 | 47.5% | 71% | 81% | 84% | −275% | 50% | −5.0% | 61.5% |
Notes. Here we auto-calibrated the nuisance parameters, i.e., we assumed a non-informative prior for those parameters, as is described in Sect. 4.3, while in the optimistic case we assumed fixed nuisance parameters, and in the ‘prio.’ case we adopted a Gaussian prior for the nuisance parameters, taking into account the values, and their reported uncertainty as the width of the Gaussian, as is mentioned in Sect. 3. A positive value indicates a gain, while the negative sign indicates a loss.
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