Planck 2018 results
Open Access

Table 18.

Spectral calibration factors applied in the construction of the CamSpec likelihood.

Data splits
Calibration factors
HM1 HM2 EE factor TE factor ET factor
100 100 0.975 0.982 0.989
100 143 1.005 1.000 0.980
100 217 0.944 0.973 0.982
143 100 0.995 0.975 1.007
143 143 1.032 0.998 1.011
143 217 0.977 0.979 1.005
217 100 0.951 0.976 0.964
217 143 0.982 1.005 0.966
217 217 0.951 0.986 0.966

Notes. For each spectrum in question, the factor is defined as that by which the appropriate TT best-fit ΛCDM spectrum has to be multiplied in order to minimize a quadratic measure of its difference with that spectrum.

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