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On the temperature dependence of the reaction O+NO-NO2(asterisk)The published data on the temperature dependence of the radiative combination of atomic oxygen with nitric oxide at pressures near 1 torr is examined. Arguments are advanced to suggest that radiation near the cut-off wavelength (about 3875A) is coming from the unstabilized activated complex, NO2(asterisk). At 4000A a positive activation energy of 1 kcal/mole is deduced. Application of this temperature dependence with the rate coefficient at 5200A is made to airglow measurements in aurora. The deduced NO concentration is about 10 to the 9th per cu cm, in general agreement with that deduced from the measured NO(+)/O2(+) ratio as well as an auroral model prediction.
Document ID
19840038677
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Sharp, W. E.
(Michigan, University Ann Arbor, MI, United States)
Date Acquired
August 12, 2013
Publication Date
February 1, 1984
Publication Information
Publication: Planetary and Space Science
Volume: 32
ISSN: 0032-0633
Subject Category
Geophysics
Accession Number
84A21464
Funding Number(s)
CONTRACT_GRANT: NGR-23-005-360
Distribution Limits
Public
Copyright
Other

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