Efficient modeling of correlated noise - III. Scalable methods for jointly modeling several observables’ time series with Gaussian processes

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Fig. 5.

Kernel function used to model HD 13808’s activity (MEP, see Eq. (48)). The GP hyperparameters are taken from the best fit of the two planets solution (Table 1). For comparison, the SEP kernel, which the MEP kernel is design to roughly mimic, is also plotted using the same set of hyperparameters.

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