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Preprint 11e/04

The Spectral Variability of Pulsating Stars: PG 1159-035

T. Stahn (1), S. Dreizler (1), K. Werner (2)

(1) Institut für Astrophysik, Universität Göttingen, Friedrich-Hund-Platz 1, D-37077 Göttingen, Germany
(2) Institut für Astronomie und Astrophysik, Universität Tübingen, Sand 1, D-72076 Tübingen, Germany

To be published in: 14th European Workshop on White Dwarfs, eds. D. Koester, S. Moehler, ASP Conf. Ser.

Abstract. With 10m class telescopes as well as with time-tagging detectors on board of HST and FUSE, the analysis of time-resolved spectra for pulsating white dwarfs becomes feasible. We present simulated time-resolved spectra for the hot pulsating white dwarf PG 1159-035 and compare these models with observational data of the 516s mode based on HST-STIS spectroscopy. A determination of the pulsation mode by the spectral variability of PG 1159-035 seems to be impossible.

Preprint (427 kb PDF file including figures)

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