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astro-ph2002
Metal abundances in PG1159 stars from Chandra and FUSE spectroscopy
K. Werner, J. L. Deetjen, S. Dreizler +3
We investigate FUSE spectra of three PG1159 stars and do not find any evidence for iron lines. From a comparison with NLTE models we conclude a deficiency of 1-1.5 dex. We speculat…
astro-ph2002
H1504+65 - The Naked Stellar C/O Core of a Former Red Giant Observed with FUSE and Chandra
K. Werner, T. Rauch, M. A. Barstow +1
H1504+65 is an extremely hot hydrogen-deficient white dwarf with an effective temperature close to 200,000 K. We present new FUV and soft X-ray spectra obtained with FUSE and Chand…