arxiv: astro-ph/0610019 · v1 · submitted 2006-10-01 · 🌌 astro-ph

HST and FUSE Spectroscopy of the DAO-type Central Star LS V+4621

T. Rauch (1) , M. Ziegler (1) , K. Werner (1) , J.W. Kruk (2) ((1) Institut fuer Astronomie und Astrophysik , Universitaet Tuebingen , Germany , (2) Department of Physics , Astronomy

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Johns Hopkins University U.S.A.)

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keywords centraldao-typefusestaraboardabundancesanalysisconstrain

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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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HST and FUSE Spectroscopy of the DAO-type Central Star LS V+4621

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