HST and FUSE Spectroscopy of the DAO-type Central Star LS V+4621
arXiv: Astrophysics（2006）
Abstract
The DAO-type white dwarf LS V+4621 is the hydrogen-rich central star of the
possible planetary nebula Sh 2-216. We have taken high-resolution, high-S/N
ultraviolet spectra with STIS aboard the HST and FUSE in order to constrain its
photospheric parameters. A detailed spectral analysis by means of
state-of-the-art NLTE model-atmosphere techniques is presented which includes
the determination the individual abundances of iron-group elements.
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