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Featured Research: OU Astrophysicists Discover a Trio of Pulsating, Mixed-Atmosphere, Low-Mass White Dwarfs

A team of OU astrophysicists, lead by postdoctoral fellow Dr. Alexandros Gianninas, undergraduate student Brandon Curd, and Prof. Mukremin Kilic, recently discovered radial and non-radial pulsations in a trio of low-mass white dwarf stars. The initial analysis of these low-mass white dwarfs showed that their atmospheres, the topmost layer of the star, contained large amounts of helium mixed with hydrogen. Following these findings, detailed pulsation models were computed and they revealed that the large…

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