Metal-polluted White Dwarfs with 21 μm IR Excesses from JWST/MIRI: Planets or Dust?

Metal-polluted White Dwarfs with 21 μm IR Excesses from JWST/MIRI: Planets or Dust?

White dwarfs with metal pollution are caused by the accretion of rocky dust from tidally disrupted minor bodies and are signposts for planetary systems. These minor bodies are perturbed by planets that have survived post-main-sequence evolution. Open questions exist as to the typical mass of the per...

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Bibliographic Details
Main Authors: John H. Debes, Sabrina Poulsen, Ashley Messier, Susan E. Mullally, Katherine Thibault, Loïc Albert, Misty Cracraft, Érika Le Bourdais, Patrick Dufour, Tom Barclay, J. J. Hermes, Mukremin Kilic, David Lafrenière, Fergal Mullally, William Reach, Elisa Quintana
Format: Article
Language:English
Published: IOP Publishing 2025-01-01
Series:The Astronomical Journal
Subjects:
White dwarf stars
Exoplanets
Circumstellar disks
Debris disks
James Webb Space Telescope
Online Access:https://doi.org/10.3847/1538-3881/ade68c
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