Fig. 2
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Gaussian Mixture Modelling. The 2025 sample is analysed using Gaussian Mixture Modelling, with planets divided into 21 evenly spaced bins between 0 and 1.5. Panel A assumed two populations, while panel B assumed three populations. Evaluation metrics for the fits are displayed in the top-right corner. GJ 367b is excluded from the analysis due to its high density.
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