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An atmospheric outburst on Neptune from 1986 through 1989Visual photometry and methane-band imaging indicate that Neptune underwent a period of atmospheric activity in the 1986-1989 period with an enhancement of 8900 A CH4-band brightness and an increased standard deviation of the mean yearly magnitudes at visual and near-IR wavelengths. These observations are presently interpreted as due to a localized upwelling source that could be similar to the 'great white spots' that have been periodically observed on Saturn.
Document ID
19930030906
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
External Source(s)
doi:10.1016/0019-1035(92)90152-W
Authors
Hammel, H. B. (NASA Headquarters Washington, DC United States)
Lawson, S. L. (NASA Headquarters Washington, DC United States)
Harrington, J. (MIT Cambridge, MA, United States)
Lockwood, G. W. (NASA Headquarters Washington, DC United States)
Thompson, D. T. (Lowell Observatory Flagstaff, AZ, United States)
Swift, C. (California Inst. of Technology Pasadena, United States)
Date Acquired
August 16, 2013
Publication Date
October 1, 1992
Publication Information
Publication: Icarus
Volume: 99
Issue: 2
ISSN: 0019-1035
Subject Category
Lunar And Planetary Exploration
Accession Number
93A14903
Funding Number(s)
CONTRACT_GRANT: NAGW-2385
CONTRACT_GRANT: NAGW-1494
CONTRACT_GRANT: NSF AST-89-06011
CONTRACT_GRANT: NSF AST-86-15631
CONTRACT_GRANT: NGL-12-001-057
Distribution Limits
Public
Copyright
Other

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