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astro-ph.SR2024
Accretion onto WD 2226210, the central star of the Helix Nebula
S. Estrada-Dorado, M. A. Guerrero, J. A. Toalá +4
The central star of the Helix Nebula, WD 2226210 presents enigmatic hard X-ray emission and mid-IR excess. The latter has been attributed to a dusty disk or a cloud-like structu…
astro-ph.SR2023★ 1 cited
Synthetic X-ray emission from white dwarf accreting planetary material
S. Estrada-Dorado, V. Lora, J. A. Toalá +4
The emission of hard X-rays associated with white dwarfs (WD) can be generated by the presence of a stellar companion either by the companion's coronal emission or by an accretion…