17 citations · 19 across the 15 of their papers we have counts for
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astro-ph2007
KPD0005+5106: Hottest DO White Dwarf Much Hotter Than Assumed
K. Werner, T. Rauch, J. W. Kruk
KPD0005+5106 is the hottest known helium-rich white dwarf. We have identified NeVIII lines in UV and optical spectra and conclude that it is significantly hotter than previously th…
astro-ph2007
Elemental Abundances in PG1159 Stars
K. Werner, T. Rauch, E. Reiff +1
The hydrogen-deficiency in extremely hot post-AGB stars of spectral class PG1159 is probably caused by a (very) late helium-shell flash or a AGB final thermal pulse that consumes t…
astro-ph2007
Spectral Analysis of Central Stars of Planetary Nebulae
Thomas Rauch, Klaus Werner, Marc Ziegler +2
Spectral analysis by means of NLTE model atmospheres has presently arrived at a high level of sophistication. High-resolution spectra of central stars of planetary nebulae can be r…