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New molecular ions in spectra of comet P/HalleySpectroscopic observations (4000 to 7000 A) were obtained of comet P/Halley near the time of the spacecraft encounters in March 1986. Molecular ion emission features were observed in the long-slit CCD spectra. Additional spectroscopic observations obtained in April 1986 confirm the presence of many new ion features in the plasma tail. It is proposed that CO2(+) be identified with the new features in the 4000 to 4350 A region. The other unidentified ion features may be attributable to a single ion species.
Document ID
19870015760
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Wyckoff, S.
(Arizona State Univ. Tempe, AZ, United States)
Wehinger, P. A.
(Arizona State Univ. Tempe, AZ, United States)
Spinrad, Hyron
(Arizona State Univ. Tempe, AZ, United States)
Belton, M. J. S.
(Kitt Peak National Observatory Tucson, Ariz., United States)
Date Acquired
September 5, 2013
Publication Date
December 1, 1986
Publication Information
Publication: ESA Proceedings of the 20th ESLAB Symposium on the Exploration of Halley's Comet. Volume 1: Plasma and Gas
Subject Category
Astrophysics
Accession Number
87N25193
Funding Number(s)
CONTRACT_GRANT: NAGW-547
Distribution Limits
Public
Copyright
Other

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