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Table 3
Cosmological parameter values from the PR1-2013 and PR2-2015 data releases, used in FFP8 and FFP8.1, respectively.
| Parameter | Symbol | PR1-2013 (FFP8) | PR2-2015 (FFP8.1) |
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|
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| Baryon density ....................................................................... | ωb = Ωbh2 | 0.0222 | 0.0223 |
| Cold dark matter density .................................................................... | ωc = Ωch2 | 0.1203 | 0.1184 |
| Neutrino energy density ..................................................................... | ων = Ωνh2 | 0.00064 | 0.00065 |
| Dark energy density ............................................................................ | ΩΛ | 0.6823 | 0.6931 |
| Hubble parameter, H0 = 100 h km s-1 Mpc-1 ..... | h | 0.6712 | 0.6787 |
| Primordial curvature perturbation spectrum ............................... | |||
| amplitude (at k = 0.05 Mpc-1) .............................................. | A s | 2.09 × 10-9 | 2.14 × 10-9 |
| spectral index ................................................................................ | n s | 0.96 | 0.97 |
| Thomson optical depth through reionization ..................... | τ | 0.065 | 0.067 |
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