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Paper: Turning the Tide: Origin of the Hard X-rays from γ Cassiopeae
Volume: 506, Bright Emissaries: Be Stars as Messengers of Star-Disk Physics
Page: 215
Authors: Smith, M. A.; de Oliveira, R. L.; Motch, C.
Abstract: The origin of the anomalous, hard X-rays from γ Cas is reviewed from data obtained from several X-ray, UV, and optical campaigns. We discuss correlations between X-ray and optical or UV fluxes ranging from rapid undulations to long-term periods and optical Be outbursts. All the evidence points to the X-rays originating from volumes close to where the UV diagnostics are formed, the Be star, and not for example from a binary companion.
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