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Molecular hydrogen ion /H2+/ absorption in planetary nebulaeSeveral IUE spectra of planetary nebulae show an absorption feature shortward of 1500 A which is believed to be due to H2(+). The nebulae are excited by stars of spectral type O3-O7 or continuum, and all but one have double-shell structure.
Document ID
19810058063
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
External Source(s)
doi:10.1086/112961
Authors
Feibelman, W. A. (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Boggess, A. (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Mccracken, C. W. (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Hobbs, R. W. (NASA Goddard Space Flight Center Laboratory for Astronomy and Solar Physics, Greenbelt, MD, United States)
Date Acquired
August 11, 2013
Publication Date
June 1, 1981
Publication Information
Publication: Astronomical Journal
Volume: 86
Subject Category
Astrophysics
Accession Number
81A42467
Distribution Limits
Public
Copyright
Other

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