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Preprint 08b/06


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 für Astronomie und Astrophysik, Universität Tübingen, Sand 1, 72076 Tübingen, Germany
(2) Department of Physics and Astronomy, Johns Hopkins University, Baltimore, MD 21218, U.S.A.

To be published in: ASP Conf. Series, Proceedings of the 15th European Workshop on White Dwarfs

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.

Preprint (171 kb PDF file including figures)
astro-ph/0610019


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