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Optical signature of an ionospheric holeSimultaneous radio and optical diagnostics of a large, artificially-induced ionospheric modification were conducted during the June 1981 launch of a weather satellite. Intensified imaging and photometer observations at 6300 A, along the same ray path as VHF polarimeter measurements of the ionosphere's total electron content (TEC), were made while the rocket plume caused disturbances. A rapid TEC chemical depletion, on the order of -16.8 x 10 to the 12th el/sq cm, caused a burst of 6300 A radiation which expanded over 60 deg of the sky, with a peak intensity of almost 9 k R. Atmospheric diffusion and O(1D) quenching rate theoretical estimates were then tested, using the event as an active space plasma experiment.
Document ID
19820043483
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Mendillo, M.
(Boston Univ. Boston, MA, United States)
Baumgardner, J.
(Boston University Boston, MA, United States)
Date Acquired
August 10, 2013
Publication Date
March 1, 1982
Publication Information
Publication: Geophysical Research Letters
Volume: 9
Subject Category
Geophysics
Accession Number
82A27018
Funding Number(s)
CONTRACT_GRANT: NAS8-32844
CONTRACT_GRANT: F19628-77-C-0270
Distribution Limits
Public
Copyright
Other

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