Constraints on the formation history and composition of Kepler planets from their distribution of orbital period ratios

Open Access

Fig. 1

Radii as a function of orbital period of planets selected from Kepler DR 25 data (blue) and the synthetic population after applying the bias of the Kepler survey (pink). We restricted the sample to planets with radii between 1–4 R_⊕ and orbital periods between 5 and 400 days in multiple systems.

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