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Abundances of Planetary Nebulae NGC 7662 and NGC 6741The ISO and IUE spectra of the elliptical nebulae NGC 7662 and NGC 6741 are presented. These spectra are combined with the spectra in the visual wavelength region to obtain a complete, extinction corrected, .spectrum. The chemical composition of the nebulae is then calculated and compared to previous determinations. The abundances found are compared to determinations made in other nebulae using ISO data. A discussion is given to see if possible evolutionary effects can be found from the abundance differences.
Document ID
20020060664
Acquisition Source
Goddard Space Flight Center
Document Type
Reprint (Version printed in journal)
External Source(s)
doi:10.1051/0004-6361:20011480
Authors
Pottasch, S. R. (Kapteyn Astronomical Lab. Groningen, Netherlands)
Beintema, D. A. (Kapteyn Astronomical Lab. Groningen, Netherlands)
Salas, J. Bernard (Kapteyn Astronomical Lab. Groningen, Netherlands)
Feibelman, W. A. (NASA Goddard Space Flight Center Greenbelt, MD United States)
Date Acquired
August 20, 2013
Publication Date
January 1, 2001
Publication Information
Publication: Astronomy and Astrophysics
Publisher: European Southern Observatory
Volume: 380
ISSN: 0004-6361
Subject Category
Astrophysics
Report/Patent Number
ISSN: 0004-6361
Distribution Limits
Public
Copyright
Other

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