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Preprint 01c/97

NLTE Analysis of the two brightest PG 1159 Stars: RX J2117.1+3412 and the Central Star of NGC 246

T. Rauch(1), K. Werner(1)

(1)Institut für Astronomie und Astrophysik, Astronomie, Universität Tübingen, Waldhäuser Str. 64, D-72076 Tübingen, Germany

Contribution to the 3rd Conference on Faint Blue Stars, Schenectady USA, October 13-17, 1996

Abstract. One of the most interesting spectral classes of immediate white-dwarf progenitors is that of the exotic He-rich PG 1159 stars. We present an analysis of the two brightest PG 1159 stars, the central star of the planetary nebula NGC 246 and of RX J2117.1+3412, and summarize our present picture of post-AGB evolution of He-rich stars.

Paper (245k gzip'ed Postscript including figures)

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Jürgen Barnstedt (barnstedt AT astro.uni-tuebingen.de)
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