BackForwardInstrument:  SWIS/MAG 

Instrument details
Acronym SWIS/MAG
Full name Space Weather Instrument Suite / Magnetometer
Purpose To measure the interplanetary magnetic field
Short description A set of two fluxgate sensors for measuring the vector magnetic field carried by the solar wind. Dynamic range (presumably) ± 65,536 nT. Resolution ± 0.1 nT @ maximum of dynamics.
Background Heritage from research and operational instruments
Scanning Technique N/A (in-situ measurement)
Resolution N/A
Coverage / Cycle 1 min
Mass 1.5 kg Power 4 W Data Rate 0.4 kbps


Providing Agency NASA
Instrument Maturity Backed by strong heritage
Utilization Period: 2025 to 2033
Last update: 2021-10-02
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
  • Field or radiowave sensor
WIGOS Subcomponents
  • Subcomponent 1
  • Solar wind in situ plasma and energetic particles, magnetic field, at L1
  • Solar wind at L1 - Magnetometer
Mission objectives
Primary mission objectives
  • Interplanetary magnetic field
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
Interplanetary magnetic field*1 - primaryNo specific limitation.Interplanetary, vectorial, wide dynamics, high resolution