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astro-ph2000
The iron abundance in hot central stars of planetary nebulae derived from IUE spectra
J. L. Deetjen, S. Dreizler, T. Rauch +1
We present the first attempt to determine the iron abundance in hot central stars of planetary nebulae. We perform an analysis with fully metal-line blanketed NLTE model atmosphere…
astro-ph2000★ 18 cited
The discovery of photospheric nickel in the hot DO white dwarf REJ0503-289
M. A. Barstow, S. Dreizler, J. B. Holberg +3
We present the first evidence for the direct detection of nickel in the photosphere of the hot DO white dwarf REJ0503289. While this element has been seen previously in the atmo…