BackForwardInstrument:  SWE (IMAP) 

Instrument details
Acronym SWE (IMAP)
Full name Solar Wind Electron
Purpose The Solar Wind Electron instrument measures the 3D distribution of solar wind thermal and suprathermal electrons from 1 eV to 5 keV.
Short description Electrostatic Analyzer optimised for measuring electrons at L1.
Background Heritage from ACE SWEPAM.
Scanning Technique Fixed views in many directions (see resolution)
Resolution Polar angle range 10–170º, 21º resolution Azimuthal range 0–360º over spin,~12º intrinsic resolution (varies w/ polar angle)
Coverage / Cycle 15 s time sampling
Mass Power Data Rate

 

Providing Agency NASA
Instrument Maturity Flown on operational programme
Utilization Period: TBD
Last update: 2023-02-13
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
  • Solar wind in situ plasma and energetic particles, magnetic field, at L1
  • Solar wind at L1 - Electron sensor
Mission objectives
Primary mission objectives
  • Electron flux energy spectrum
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 flux3 - highNo specific limitation.Interplanetary space, low energy (up to 40 keV)