Ionospheric observations at Pruhonice during the solar eclipse of April 29, 1976
Abstract
The relative intensities of the solar sources of ionizing radiation are computed from the changes in the electron density of the E1 and F1 layers during the solar eclipse. To characterize conditions on the sun and localize the exceptional sources of ionizing radiation, a map of solar brightness at wavelength 28.4 nm in the FeXV line from the French satellite D2-B AURA was used, together with X-ray measurements in the range from 2 to 14 keV made by the heliometer of the OSO-8 satellite. This map is shown. The uniform disk of the sun is found to contribute 71 percent of the ionization of the E1 layer, active region 14179 contributes 19 percent, and region 14185 contributes 10 percent.
- Publication:
-
Travaux Geophysiques
- Pub Date:
- 1982
- Bibcode:
- 1982TraGe..27..275P
- Keywords:
-
- E Region;
- F Region;
- Ionospheric Electron Density;
- Solar Eclipses;
- Solar Terrestrial Interactions;
- D-2 Satellites;
- Oso-8;
- Solar X-Rays