Planck 2018 results
Open Access

Table 7.

Constraints on ln(1010As), τ, and r from the TT+EE likelihood (central column) and TT+EE+BB likelihood (right column).

Parameter ΛCDM ΛCDM + r
ln(1010As) … 2.924 ± 0.052
τ 0.0506 ± 0.0086 0.0503 ± 0.0087
r0.002 ... ≤0.41

Notes. We show here the mean and 68% confidence levels. For r, the 95% upper limit is shown.

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