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

Approximately 25%–50% of white dwarfs (WDs) exhibit metal absorption lines in their photospheres, interpreted as evidence of ongoing/recent accretion of planetary debris from remnant systems. Previous theoretical studies have suggested that a massive, close-in substellar companion may prevent delive...

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Главные авторы:	Zhangliang Chen, Xin-Yue Zhang, Di-Chang Chen, Kejun Wang, Bo Ma, Ji-Wei Xie, Ji-Lin Zhou
Формат:	Artigo
Язык:	Inglês
Опубликовано:	IOP Publishing 2026-01-01
Серии:	The Astrophysical Journal Letters
Предметы:	White dwarf stars Close binary stars Wide binary stars Accretion DA stars Stellar accretion
Online-ссылка:	https://doi.org/10.3847/2041-8213/ae6511
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