Table 4
Our one-sigma predicted cosmological constraints for one parameter (ϵ = Δp/pfid) for various combinations of likely Euclid and DES samples and priors (see text for details).
| Samples |
|
|
Δwa |
|
|
|||
| DES SN Ia | |||
|
|
|||
| DES | 0.010 (3%) | – | – |
| DES | 0.039 (13%) | 0.119 (12%) | – |
| DES + P[Ωm] | 0.015 (5%) | 0.090 (9%) | 0.47 |
| DES + P[w0] | 0.087 (29%) | 0.113 (11%) | 1.03 |
|
|
|||
| Silver sample (optimistic) | |||
|
|
|||
| DES + Euclid + low-z | 0.010 (3%) | – | – |
| DES + Euclid + low-z | 0.023 (8%) | 0.085 (9%) | – |
| DES + Euclid + low-z + P[Ωm] | 0.014 (5%) | 0.085 (9%) | 0.44 |
| DES + Euclid + low-z + P[w0] | 0.053 (18%) | 0.083 (8%) | 0.91 |
Notes. We do not quote the normalization parameters (ξSLSN and ξSNIa) as they are irrelevant for the scope of this paper. Priors on the cosmological parameters are given by “P[Ωm]” and “P[w0]” and assumed to be Gaussian of width σΩm = 0.015 (σw0 = 0.25) on Ωm (w0) respectively.
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