BackForwardInstrument:  SPR-N 

Instrument details
Acronym SPR-N
Full name Solar X-ray Polarimeter
Purpose Observation of solar X-rays
Short description Polarimeter for solar X-ray radiation to measure non-thermal/synchrotron emissions in solar flares in the energy ranges 20-40, 40-60, and 60-100 keV with a sensitivity of one microerg/(cm2 s)
Background Consolidated technology
Scanning Technique Sun pointing from a LEO high-inclination drifting orbit
Resolution N/A (full disk)
Coverage / Cycle Full Sun disk integral at about 1-s rate
Mass Power Data Rate

 

Providing Agency Roscosmos
Instrument Maturity Flown on an R&D satellite
Utilization Period: 2001 to 2005-12-06
Last update: 2017-05-17
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 No WIGOS subcomponents have been defined.
Mission objectives
Primary mission objectives
  • Solar X-ray flux
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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
Solar X-ray flux4 - fairNo specific limitation.Few channels, moderate dynamic range