BackForwardInstrument:  ARINA 

Instrument details
Acronym ARINA
Full name ARINA
Purpose Research of correlations between ionospheric conditions and earthquakes
Short description Spectrometer and particle detector for electrons in the energy range 3-30 MeV, and protons in the energy range 30-100 MeV.
Background Consolidated technology
Scanning Technique Sun pointing from a high-inclination drifting LEO
Resolution N/A (full disk)
Coverage / Cycle Full solar disk, nearly ccntinuous
Mass 9 kg Power Data Rate


Providing Agency Roscosmos
Instrument Maturity Flown on an R&D satellite
Utilization Period: 2006 to 2016
Last update: 2022-08-08
Detailed characteristics
Satellites this instrument is flying on

Note: a red tag indicates satellites no longer operational, a green tag indicates operational satellites, a blue tag indicates future satellites

Instrument classification
  • Solar and space environment monitors
  • Energetic particle spectrometer
WIGOS Subcomponents
  • Subcomponent 1
  • In-situ plasma probes, and energetic particle spectrometers and magnetometers at GEO and LEO, and magnetic field at GEO
  • Electron sensor at LEO
  • Proton sensor at LEO
Mission objectives
Primary mission objectives
  • Electron differential directional flux
  • Proton differential directional flux
Evaluation of Measurements

The following list indicates which measurements can typically be retrieved from this category of instrument. To see a full Gap Analysis by Variable, click on the respective variable.

Note: table can be sorted by clicking on the column headers
Note: * Primary mission objective.
VariableRelevance for measuring this variableOperational limitationsExplanation
Electron differential directional flux*4 - fairNo specific limitation.Sun pointing, high energy (over 400 keV)
Proton differential directional flux*4 - fairNo specific limitation.Sun pointing, high energy (over 1000 keV)