|
| Description | Symbol | Value |
| Independent parameters 11 | Physical baryon density parameter | Ωbh2 | 0.02230 ± 0.00014 |
| Physical dark matter density parameter | Ωch2 | 0.1188 ± 0.0010 | |
| Age of the universe | t0 | 13.799 ± 0.021 × 109 years | |
| Scalar spectral index | ns | 0.9667 ± 0.0040 | |
| Curvature fluctuation amplitude, k0 = 0.002 Mpc−1 |
| 2.441 + 0.088 − 0.092 × 10−9 | |
| Reionization optical depth | τ | 0.066 ± 0.012 | |
| Fixed parameters 7 | Total density parameter | Ωtot | 1 |
| Equation of state of dark energy | w | −1 | |
| Sum of three neutrino masses | ∑mν | 0.06 eV/c2 | |
| Effective number of relativistic degrees of freedom | Neff | 3.046 | |
| Scalar amplitude | As | (2.215 ± 0.13) | |
| Tensor/scalar ratio | r | 0 | |
| Running of spectral index | dns/dlnk | 0 | |
| Calculated values 5 | Hubble constant | H0 | 67.74 ± 0.46 km·s−1·Mpc−1 |
| Baryon density parameter | Ωb | 0.0486 ± 0.0010 | |
| Dark matter density parameter | Ωc | 0.2589 ± 0.0057 | |
| Matter density parameter | Ωm | 0.3089 ± 0.0062 | |
| Dark energy density parameter | ΩΛ | 0.6911 ± 0.0062 | |
| Critical density | ρcrit | (8.62 ± 0.12) × 10−27 kg/m3 | |
| Fluctuation amplitude at 8 h−1 Mpc | σ8 | 0.8159 ± 0.0086 | |
| Redshift at decoupling | z* | 1089.90 ± 0.23 | |
| Age at decoupling | t* | 377,700 ± 3200 y | |
| Redshift of reionization (with uniform prior) | zre | 8.5 + 1.0 − 1.1 |