Exospheric temperatures deduced from 7320- to 7330-A /O/+//2P/ - O/+//2D// twilight observations

Details Exospheric temperatures deduced from 7320- to 7330-A /O/+//2P/ - O/+//2D// twilight observations Exospheric temperatures deduced from 7320- to 7330-A /O/+//2P/ - O/+//2D// twilight observations

Feb 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982jgr....87..913y&link_type=abstract

Journal of Geophysical Research, vol. 87, Feb. 1, 1982, p. 913-918.

Computer Science

Sound

9

Airglow, Atmospheric Temperature, Exosphere, Explorer 55 Satellite, Satellite Observation, Solar Activity Effects, Atmospheric Chemistry, Atmospheric Sounding, Background Radiation, Data Reduction, Solar Cycles

Scientific paper

A technique developed to deduce exospheric temperatures from the 7320- to 7330-A emission measured by the visible airglow experiment on board the AE-E satellite is considered. An excess emission in the measured 7320- to 7330-A brightness is noticed as a result of the interaction between the spacecraft and the atmosphere. The observed brightnesses are corrected for this effect. The galactic background emission is also carefully subtracted. The deduced temperatures exhibit a positive correlation with solar activity. It varies from approximately 700 K in late 1976 to approximately 1700 K at the peak of this solar cycle. The presence of a nonthermal oxygen corona is considered inconclusive.

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