gamma cas analogues 1periodicity detection 1stellar high-energy phenomena 1white dwarf accretion 1x-ray variability 1
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astro-ph.SR2026
A systematic assessment of the short-term X-ray behaviour of the Cas analogues
Robbie Webbe, Yaël Nazé, N. A. Webb
The paper systematically analyzes short‑term (kilosecond) X‑ray variability of γ Cas analogues to test whether periodic signals indicate accretion onto magnetic white dwarfs.
astro-ph.SR2026
Long-term investigation of gamma Cas analogs
Yael Naze, Gregor Rauw, Robbie Webbe +2
The subcategory of gamma Cas analogs gathers Be stars with bright and hard X-ray emission. Long-term variations are expected in such objects for two reasons: their Be disk builds a…