Planck 2018 results
Open Access

Table 3.

Constraints on the tensor-to-scalar ratio r and scalar tilt ns for the ΛCDM+r model and some important extensions and different data sets.

Cosmological model Parameter Planck TT,TE,EE Planck TT,TE,EE Planck TT,TE,EE
ΛCDM+r +lowEB+lensing +lowE+lensing+BK15 +lowE+lensing+BK15+BAO
r < 0.11 < 0.061 < 0.063
r0.002 < 0.10 < 0.056 < 0.058
ns 0.9659 ± 0.0041 0.9651 ± 0.0041 0.9668 ± 0.0037

r < 0.16 < 0.067 < 0.068
r0.002 < 0.16 < 0.065 < 0.066
+dns/dlnk ns 0.9647 ± 0.0044 0.9639 ± 0.0044 0.9658 ± 0.0040
dns/dlnk −0.0085 ± 0.0073 −0.0069 ± 0.0069 −0.0066 ± 0.0070

r < 0.092 < 0.061 < 0.064
r0.002 < 0.085 < 0.055 < 0.059
+Neff ns 0.9604 ± 0.0085 0.9660 ± 0.0070
Neff 2.92 ± 0.19 2.93 ± 0.19 3.02 ± 0.17

r < 0.097 < 0.061 < 0.061
r0.002 < 0.091 < 0.056 < 0.056
+mν ns 0.9654 ± 0.0044 0.9649 ± 0.0044 0.9668 ± 0.0036
mν [eV] < 0.24 < 0.23 < 0.11

r < 0.12 < 0.066 < 0.062
r0.002 < 0.12 < 0.062 < 0.057
K ns 0.9697 ± 0.0046 0.9663 ± 0.0044
ΩK 0.0006 ± 0.0019

r < 0.11 < 0.064 < 0.062
r0.002 < 0.10 < 0.059 < 0.057
+w0 ns 0.9675 ± 0.0042 0.9669 ± 0.0042 0.9659 ± 0.0040
w0 −1.04 ± 0.05

Notes. For each model we quote 68% confidence limits on measured parameters and 95% upper bounds on other parameters.

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