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astro-ph.EP2024
C3PO III: On the Lithium Signatures Following Planet Engulfment by Stars
Qinghui Sun, Yuan-Sen Ting, Fan Liu +8
Planet engulfment has been identified as one of the mechanisms for enhancing lithium abundance in stars. However, comprehensive investigations into lithium signatures following suc…
astro-ph.EP2024
Constraints on the formation history and composition of Kepler planets from their distribution of orbital period ratios
Di-Chang Chen, Christoph Mordasini, Ji-Wei Xie +2
The Kepler high-precision planetary sample has revealed a radius valley, separating compact super-Earths from sub-Neptunes with lower density. Super-Earths are generally assumed to…