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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 1.

Well-constrained WDs with substellar companions (BDs or giant planets). The terms “close” and “wide” are defined as having an orbital period shorter or longer than 5 days, respectively. Red markers denote the systems containing a polluted WD.

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