Abstract
A system for monitoring the radiation parameters of near-Earth space is described. This system is based on the multi-satellite measurements made on spacecraft Meteor, Electro, Arktika launched into orbits with a wide range of altitudes. The main instrument for space radiation monitoring is spectrometer of electrons and protons SKIF. Such instruments operate in all spacecraft of mentioned above series. The results of observations of different events connected with solar and geomagnetic activity in 2017 and 2021 years are presented and discussed.
Highlights
Near-Earth space (NES) contains charged particles of ionospheric and magnetospheric plasma, energetic particles of the Earth's radiation belts (ERB), solar and galactic cosmic rays (SCR and GCR) in a wide range of energies [1]
For a comparative analysis of the proton and electron flux dynamics according to the data from the SKIF instrument, we used the experimental data on the electron fluxes from the GOES satellite [http://goes.gsfc.nasa.gov/], on the solar wind (SW) velocity and the interplanetary magnetic field (IMF) with the ACE spacecraft [http://www.srl.caltech.edu/ACE/]
During the period May 19-28, 2021, significant variations of the NES radiation associated with solar activity were detected
Summary
Near-Earth space (NES) contains charged particles of ionospheric and magnetospheric plasma, energetic particles of the Earth's radiation belts (ERB), solar and galactic cosmic rays (SCR and GCR) in a wide range of energies [1]. They can lead to damage and failure of electronic equipment installed on spacecraft (SC), can cause disruption of short-wave communications in high-latitude regions, lead to failures in navigation systems and reduce the accuracy of global navigation and positioning systems [2]. The picture becomes more complete with the involvement of information from identical measuring instruments Such an instrument, developed and manufactured at the SINP MSU, is a space radiation spectrometer SKIF for. A description of the SKIF equipment will be given and examples of the use of complex multi-satellite measurements for the analysis and diagnostics of the radiation state of the NCP will be given
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