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Analysis of Ultraviolet Absorption Lines in NGC 6543 and NGC 6826

Published online by Cambridge University Press:  26 May 2016

M. Bremer ,
M. Grewing ,
J. Barnstedt  and
N. Kappelmann
M. Bremer
Affiliation:
1 Institute de Radio Astronomie Millimétrique (IRAM), Domaine Universitaire de Grenoble, 300 rue de la Piscine, 38406 St Martin d'Hères, France
M. Grewing
Affiliation:
1 Institute de Radio Astronomie Millimétrique (IRAM), Domaine Universitaire de Grenoble, 300 rue de la Piscine, 38406 St Martin d'Hères, France
J. Barnstedt
Affiliation:
2 Institut für Astronomie und Astrophysik, Universität Tübingen, Auf dem Sand 1, 72076 Tübingen, Germany
N. Kappelmann
Affiliation:
2 Institut für Astronomie und Astrophysik, Universität Tübingen, Auf dem Sand 1, 72076 Tübingen, Germany

Abstract

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During the ORFEUS-SPAS II mission (November 19th - December 7th 1996, aboard the space shuttle Columbia), the elliptical planetary nebulae NGC 6543 and NGC 6826 have been studied with the Echelle spectrometer. The instrumental wavelength range and resolution are 900Å - 1400Å and 0.1Å, respectively (R = 10000), which provides detailed information about emission and absorption lines which are inaccessible for ground-based observations. We present a new analysis of the absorption lines imposed on the spectra of the central stars.

Type
Part VI: The Ionized Gas in Planetary Nebulae
Information
Symposium - International Astronomical Union , Volume 209: Planetary Nebulae: Their Evolution and Role in the Universe , 2003 , pp. 413 - 414
Copyright
Copyright © Astronomical Society of the Pacific 2003