BackForwardInstrument:  SREM-particles 

Instrument details
Acronym SREM-particles
Full name Standard Radiation Environment Monitor - particles
Purpose Space weather - Observation of energetic electrons, protons and heavy ions
Short description

Package of units: 3 particle detectors for the spectroscopy of directional electrons (energy range 0.3-6 MeV) and protons (energy range 8-300 MeV). Also, detection of heavy ions and cosmic rays
Background

Major part of the Standard Radiation Environment Monitor (SREM), complemented by a subsystem for the total dose accumulated on the platform
Scanning Technique

N/A (in-situ measurement in the platform environment)
Resolution N/A
Coverage / Cycle N/A
Mass 2.5 kg Power Data Rate

 

Providing Agency ESA
Instrument Maturity Flown on an R&D satellite
Utilization Period: 2013 to 2014
Last update: 2024-09-09
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
  • Plasma density sensor at LEO
  • Plasma temperature sensor at LEO
  • Plasma velocity 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*2 - very highNo specific limitation.Magnetosphere, medium and high energy (over 40 to over 400 keV)
Proton differential directional flux*2 - very highNo specific limitation.Magnetosphere, high energy (over 1000 keV)
Solar wind density2 - very highNo specific limitation.Solar viewing. Inferred by elecron and proton spectroscopy
Solar wind temperature2 - very highNo specific limitation.Solar viewing. Inferred by elecron and proton spectroscopy
Solar wind velocity2 - very highNo specific limitation.Solar viewing. Inferred by elecron and proton spectroscopy