AbstractThe satellite “Intercosmos-Bulgaria-1300” launched on 7 August 1981 is successfully working already more than a year. Aboard the satellite a Bulgarian scientific research complex is mounted for studying the ionosphere, magnetosphere and their mutual relations, containing 12 different instruments and systems. Below, the first results of the direct investigation of the higher atmosphere by means of different systems and instruments is presented in short: graphically we have given the distribution of the ion density obtained by processing of data obtained from one orbiting of the satellite; the optical complex working aboard Bulgaria-1300 is briefly described. The basic characteristics of the optical apparatuses are given. The optical axes of the two photometers EMO-5 and PHOTON-1, which are part of the optical complex, are orientated in nadir. UV-spectrometer works in a spectral region of 1150–2550 Å with a spectral solution of 10 Å. Each 3.5 min there is a spectrum of the daytime or nighttime atmosphere. These data can be used for aeronomic investigations of the higher atmosphere dynamics as well as for determining ozone. As an example of joint work and interpretation of the data from different groups of Bulgarian research devices working aboard the Bulgaria-1300 satellite, the energy deposition in the polar ionosphere as determined by measurements aboard the satellite is given.
First results of the Bulgaria-1300 satellite experiment
Acta Astronautica ; 10 , 5-6 ; 263-268
1983-01-04
6 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
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