Fig. 8
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Distribution of eccentricities of the giant planets within the EXPRESS and PPPS overlapping samples, as a function of their orbital period. The filled green diamonds represent the newly discovered planets in this work (including the possible candidates HIP 24275d and HIP 75092c for reference), the red circles highlight the additional confirmed planets, and the purple filled stars are all other planets from these projects not included here. The solid and dashed horizontal yellow lines mark the mean eccentricity of the 12 previously detected planets we include in this work and their associated 1σ uncertainty bounds, respectively. The ringed detections are those of HIP 24275b & d, HIP 75092c, and HIP 90988b, highlighted for the reasons discussed in the text.
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