A gap is identified in the mass-period distribution for sub-Neptune planets with P < 20 days, with Gaussian mixture models favoring a bimodal distribution (BIC reduction of 19.9).
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A Gap in the Mass Distribution for Warm Neptune and Terrestrial Planets
A gap is identified in the mass-period distribution for sub-Neptune planets with P < 20 days, with Gaussian mixture models favoring a bimodal distribution (BIC reduction of 19.9).