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Table 2.
Comparison between the Planck distance prior and full Planck, and comparative constraining power of the ESPRESSO data point (mean and 68% limits).
| Likelihoods | ζ | λ |
|---|---|---|
| (ppm) | ||
| QSO + full Planck | 2 ± 130 | 0.000 ± 0.023 |
| QSO + Planck prior | 0 ± 140 | 0.000 ± 0.026 |
| QSO without ESPRESSO | 2 ± 150 | 0.000 ± 0.027 |
| ESPRESSO only | 0 ± 170 | 0.000 ± 0.032 |
Notes. Both likelihoods of the bottom panel include the Planck prior.
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