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Preprint 11b/12


UV Spectroscopy of Hydrogen-Deficient Post-AGB Stars: PG 1144+005 and PG 1520+525

U.C. Müller (1), T. Rauch (1), K. Werner (1), J.W. Kruk (2)

(1) Institute for Astronomy and Astrophysics, Kepler Center for Astro and Particle Physics, Eberhard Karls University, Sand 1, 72076 Tübingen, Germany
(2) NASA Goddard Space Flight Center, Greenbelt, MD 20771, USA

To be published in: Proceedings, 18th European White Dwarf Workshop, Krakow, Poland, 13-17 Aug. 2012, ASP Conference Series

Abstract. We present preliminary results of an ongoing spectral analysis by means of fully metal-line blanketed NLTE model atmospheres of two PG 1159-type stars, namely PG 1144+005 and PG 1520+525, that is based on UV spectra obtained with FUSE, HST/GHRS, and IUE.
 
Key words: UV Spectroscopy, Stellar Atmospheres, H-deficient stars, PG 1144+005, PG 1520+525

Preprint (640 kb PDF file including figures)


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