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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:
2003-04-01 to 2007
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 spectrometer at GEO Subcomponent 2 Solar X-ray spectrometer [from L1, GEO, LEO] Solar X-ray imager [from L1, GEO, LEO] Subcomponent 3 X-ray spectrometer [from GEO, HEO, MEO, LEO]
Mission objectives
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
Variable Relevance for measuring this variable Operational limitations Explanation
Solar X-ray flux 3 - high No specific limitation. Few channels, wide dynamic range
Solar X-ray image 4 - fair No specific limitation. Fluxmetry with coarse spatial resolution
Instrument: SXI