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Table 2.
Constrained parameters for the models ΛCDM, wCDM, and w(t)CDM considering the sound horizon scale, rs, given by the Planck Collaboration VI (2020), WMAP Hinshaw et al. (2013), and Nunes et al. (2020).
| Model | Parameters |  |
 |
rsNunes et al. (2020) |
|---|---|---|---|---|
| ΛCDM | Ωm | 0.481 ± 0.140 | 0.408 ± 0.115 | 0.448 ± 0.128 |
| ΩΛ | 0.608 ± 0.233 | 0.532 ± 0.194 | 0.578 ± 0.217 | |
| rs | 98.858 ± 2.362 | 106.605 ± 0.537 | 102.014 ± 2.227 | |
 |
1.026 | 1.028 | 1.027 | |
| wCDM | Ωm | 0.469 ± 0.157 | 0.417 ± 0.125 | 0.427 ± 0.153 |
| w | −1.083 ± 0.499 | −1.152 ± 0.484 | −1.079 ± 0.488 | |
| rs | 98.961 ± 2.301 | 106.597 ± 0.540 | 102.002 ± 2.176 | |
 |
1.186 | 1.170 | 1.191 | |
| w(t)CDM | w0 | −0.855 ± 0.368 | −1.194 ± 0.244 | −1.000 ± 0.321 |
| w1 | −0.111 ± 0.562 | −0.012 ± 0.573 | −0.059 ± 0.569 | |
| rs | 99.253 ± 2.187 | 106.556 ± 0.533 | 101.980 ± 2.100 | |
 |
1.247 | 1.136 | 1.167 | |
Notes. The units for the values of rs are Mpc h−1.
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