BackForwardInstrument:  FMG 

Instrument details
Acronym FMG
Full name Full-disk solar vector MagnetoGraph
Purpose Measures the magnetic fields of the photosphere over the entire solar disk.
Short description A polarisation optical system with image acquisition and processing system. The detector is a CMOS camera with 4k by 4k array and 16 fps. The filter works in the Fraunhofer line Fe I at 532.4 nm with FWHM 0.011 nm.
Background A new instrument to monitor the solar environment
Scanning Technique
Coverage / Cycle Views solar disk
Mass Power Data Rate


Providing Agency CAS
Instrument Maturity Flown on operational programme
Utilization Period: 2023 to 2026
Last update: 2022-10-10
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
  • Solar activity monitor
WIGOS Subcomponents
  • Subcomponent 2
  • Solar magnetograph, solar EUV/X-ray imagery and EUV/X-ray irradiance, both on the Earth-Sun line and off the Earth-Sun line
  • Solar magnetic field sensor [from L1, GEO, LEO]
Mission objectives
Primary mission objectives
  • Solar 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.