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Instrument details
Acronym
SWS/SEM/HEPD
Full name
Space Weather Suite / Space Environment Monitor / High Energy Particle Detector
Purpose
Space weather - Charged particles at platform level
Short description
Spectrometer for electrons and protons. See table below for energy ranges.
Background
Development of the space environment monitor on FY-3A/B/C/D
Scanning Technique
N/A (in-situ in the platform environment)
Resolution
N/A
Coverage / Cycle
N/A
Mass
Power
Data Rate
Providing Agency
CMA
Instrument Maturity
Flown on operational programme
Utilization Period:
2021 to ≥2027
Last update:
2022-05-09
Detailed characteristics
Parameter
Energy range
Number of Directions
High energy proton
3-300 MeV
3
High energy electron
0.15-5.7 MeV
3
Medium energy proton
30 keV-5 MeV
18
Medium energy electron
30 keV - 400 keV
18
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 Alpha-particle sensor at LEO Plasma density sensor at LEO Plasma temperature sensor at LEO Plasma velocity sensor at LEO
Mission objectives
Primary mission objectives Alpha particles differential directional flux Electron differential directional flux Proton differential directional flux Secondary mission objectives Solar wind density Solar wind temperature 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
Instrument: SWS/SEM/HEPD