BackForwardInstrument:  FGM 

Instrument details
Acronym FGM
Full name Fluxgate Magnetometer
Purpose To provide intercalibrated measurements of the magnetic field vector B at the four Cluster spacecrafts
Short description Two tri-axial fluxgate sensors to measure the magnetic field in the dynamic range ± 65,536 nT. Resolution ± 8 nT @ maximum of dynamics. Accuracy 0.006 %.
Background Part of a package of instruments for the study of the Magnetosphere
Scanning Technique Formation flight of 4 satellites in coordinated high-elliptical orbits cross the Magnetosphere for 3-D field reconstruction
Resolution N/A
Coverage / Cycle Full magnetospheric volume; sampling at 0.01 s intervals
Mass Power Data Rate

 

Providing Agency ESA
Instrument Maturity Flown on an R&D satellite
Utilization Period: 2000 to ≥2025
Last update: 2016-03-20
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 No WIGOS subcomponents have been defined.
Mission objectives
Primary mission objectives
  • Geomagnetic field
Show allShow 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
VariableRelevance for measuring this variableOperational limitationsExplanation
Geomagnetic field1 - primaryNo specific limitation.Cluster in magnetosphere, vectorial, wide dynamics, coarse resolution