«The observations from Keck and Gemini, combined with other data and numerical calculations, allowed us to be 99.98 % confident that Kepler - 186f is real,» says Thomas Barclay, a Kepler scientist and also a co-author on the paper.
Comparison of our result with that of de Boer et al. [46] for the other periods of figure 2 is included in the electronic supplementary material, where we also make available our numericaldata.