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Home 2010 Highlight: Metal abundances in the hottest known DO white dwarf (KPD0005+5106) (vol. 524)

Highlight: Metal abundances in the hottest known DO white dwarf (KPD0005+5106) (vol. 524)

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Published on 17 November 2010
Vol. 524In section 8. Stellar atmospheres19 November 2010

Metal abundances in the hottest known DO white dwarf (KPD0005+5106)

by D. Wassermann, K. Werner, T. Rauch, and J. W. Kruk, A&A 524, A9 alt

The extreme temperature of the star and a very weak stellar wind suffice to prevent differential diffusion of elements, and this is the hottest temperature yet for a post-AGB star. Its abundances, except for Fe, show close links to those of the R CrB stars that are possible AGB pregenitors of such hot stars.