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Evidence for Suppression of Metal Pollution in White Dwarfs by Close Substellar Companions

Authors: Zhangliang Chen, Xin-Yue Zhang, Di-Chang Chen, Kejun Wang, Bo Ma, Ji-Wei Xie, Ji-Lin Zhou

Zhangliang Chen et al 2026 The Astrophysical Journal Letters 1003 .

Provider: AAS Journals

Caption: Figure 4.

Simulation results for dynamical shielding scenario. Left panel: protection rates (F_protection) as a function of mass, with different line styles representing distinct semimajor axis values. Right panel: mapping the modified close encounter ratio in the planetary mass–semimajor axis diagram.

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