BackForwardInstrument:  SXI 

Instrument details
Acronym SXI
Full name Solar X-ray Imager
Purpose Space Weather - Solar activity monitoring
Short description Sun imaging in the range 0.6-6 nm (soft X-rays)
Background New development
Scanning Technique Sun pointing from GEO
Resolution 3700 km at the Sun surface
Coverage / Cycle Full Sun disk at 1 min intervals
Mass Power Data Rate

 

Providing Agency NOAA
Instrument Maturity Flown on operational programme
Utilization Period: 2003 to 2022
Last update: 2021-12-15
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 1
  • X-ray spectrograph on GEO orbit
  • X-ray spectrometer at GEO
  • 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 X-ray spectrometer [from L1, GEO, LEO]
  • Solar X-ray imager [from L1, GEO, LEO]
  • Subcomponent 3
  • UV spectral imagery (e.g. GEO, HEO, MEO, LEO)
  • X-ray spectrometer [from GEO, HEO, MEO, LEO]
Mission objectives
Primary mission objectives
  • Solar X-ray image
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
Solar X-ray flux3 - highNo specific limitation.Few channels, wide dynamic range
Solar X-ray image*4 - fairNo specific limitation.Fluxmetry with coarse spatial resolution