Review
Sep 2026
Searching for Massive Remnant Planetary System Hosts with White Dwarf Gaia XP Spectra
Remnant planetary systems around massive white dwarfs ($M_{\rm WD}>0.8\,{\rm M}_\odot$) are intrinsically rare and remain poorly characterized. As the evolutionary endpoints of intermediate-mass B- and A-type stars, these white dwarfs provide valuable constraints on the formation and survival of planetary systems aroun...
L. Rouis, J. Hermes, Pierre Bergeron et al.
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