High resolution daytime photoelectron energy spectra from AE‐E
- 1 March 1976
- journal article
- Published by American Geophysical Union (AGU) in Geophysical Research Letters
- Vol. 3 (3) , 129-131
- https://doi.org/10.1029/gl003i003p00129
Abstract
The daytime photoelectron energy spectrum has been measured at altitudes above 154 km by the photoelectron spectrometer experiment on the Atmosphere Explorer‐E satellite. Much higher energy resolution spectra than previous AE‐C results have been obtained. Below 200 km, well resolved peaks are observed in the spectrum corresponding to production of O+ and N2+ in various electronic states from photoionization of N2 and O by solar He II (304A) radiation. Vibration‐rotation excitation of N2 by inelastic electron scattering is observed at 2.5 eV. The features due to nitrogen disappear from the spectrum at altitudes above 200 km.This publication has 6 references indexed in Scilit:
- Calculations of the equilibrium photoelectron flux in the thermospherePlanetary and Space Science, 1976
- Measurement of low-energy electrons in the day airglow and day side auroral zone from Atmosphere Explorer CJournal of Geophysical Research, 1975
- Photoelectron angular distributions, cross sections, and branching ratios for atomic oxygenPhysical Review A, 1974
- 304 Å photoelectron spectra of CO, N2, O2 and CO2Journal of Electron Spectroscopy and Related Phenomena, 1973
- The photoelectron‐spectrometer experiment on Atmosphere ExplorerRadio Science, 1973
- Vibrational Excitation of, CO, andby Electron ImpactPhysical Review B, 1964