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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:
2002 to 2014-09-15
Last update:
2021-11-13
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 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 Secondary mission objectives Solar wind density Solar wind temperature Solar wind velocity Show all Show fewer
Tentative 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
Variable Relevance for measuring this variable Operational limitations Explanation
Electron differential directional flux 2 - very high No specific limitation. Magnetosphere, medium and high energy (over 40 to over 400 keV)
Proton differential directional flux 2 - very high No specific limitation. Magnetosphere, high energy (over 1000 keV)
Solar wind density 2 - very high No specific limitation. Solar viewing. Inferred by elecron and proton spectroscopy
Solar wind temperature 2 - very high No specific limitation. Solar viewing. Inferred by elecron and proton spectroscopy
Solar wind velocity 2 - very high No specific limitation. Solar viewing. Inferred by elecron and proton spectroscopy
Instrument: SREM-particles