BackForwardInstrument:  EPD (PROBA-V) 

Instrument details
Acronym EPD (PROBA-V)
Full name Energetic Particle Telescope
Purpose Measurement of energetic particles in the platform environment
Short description Two particle telescopes, one for low and one for high energies, measuring the energy deposited by charged particles into twelve sensitive elements to cover a circular field of view of 50*. Energy ranges: 0.2-10 MeV (electrons), 4-300 MeV (protons) and 16-1000 MeV (alpha-particles).
Background Part of a PROBA-V technological package
Scanning Technique N/A (in-situ measurement)
Resolution N/A
Coverage / Cycle N/A
Mass 6 kg Power 6 W Data Rate


Providing Agency ESA
Instrument Maturity Flown on an R&D satellite
Utilization Period: 2013-08-07 to ≥2021
Last update: 2017-06-05
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 No WIGOS subcomponents have been defined.
Mission objectives
Primary mission objectives
  • Alpha particles differential directional flux
  • Electron differential directional flux
  • Proton differential directional flux
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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
VariableRelevance for measuring this variableOperational limitationsExplanation
Electron differential directional flux5 - marginalNo specific limitation.Platform environment, medium and high energy (over 40 to over 400 keV)
Proton differential directional flux5 - marginalNo specific limitation.Platform environment, high energy (over 1000 keV)
Alpha particles differential directional flux5 - marginalNo specific limitation.Platform environment. Extended energy range (<10 to >100 MeV/n)