3 papers
astro-ph.SR2026
White Dwarfs with Infrared Excess from LAMOST Data Release 11
Keyi Wang, Qiong Liu, Siyi Xu +1
Infrared (IR) excess observed around white dwarfs (WDs) is typically attributed to companions or debris disks. These systems are interesting because they offer a unique opportunity…
astro-ph.IM2025
White dwarfs as probes of extrasolar planet compositions and fundamental astrophysics
Siyi Xu, Martin Barstow, Andy Buchan +2
White dwarfs represent the most common end stage of stellar evolution and are important for a range of astrophysical questions. The high-resolution ultraviolet spectroscopic capabi…
astro-ph.EP2024
Simultaneous emission from dust and gas in the planetary debris orbiting a white dwarf
Laura K. Rogers, Christopher J. Manser, Amy Bonsor +11
There is increasing evidence for the presence and variability of circumstellar dust and gas around white dwarfs that are polluted with exoplanetary material, although the origin of…