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Hidden White Dwarf Solves Gamma Cassiopeiae’s X-ray Mystery

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Source: Indian Defence Review
Hidden White Dwarf Solves Gamma Cassiopeiae’s X-ray Mystery
Photo: Indian Defence Review
TL;DR

XRISM observations reveal that Gamma Cassiopeiae’s peculiar X-rays come from matter falling onto a hidden white-dwarf companion, solving a 160-year mystery and prompting new models of binary evolution in Be-star systems.

Topics:sciencespace#be-star#binary-star#gamma-cas#space#white-dwarf#x-ray-astronomy
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Astronomers Spent 160 Years Trying to Explain This Star's Strange Signal. A White Dwarf Hidden in Its Orbit May Have Finally Solved the Mystery  Indian Defence Review

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