BackForwardInstrument:  DIOGENESS 

Instrument details
Full name Diagnostic of Energy Sources and Sinks in Flares
Purpose To observe energy sources and sinks to study the balance of the solar flares energy contained in its main thermal reservoir
Short description Spectrometer and Photometer within the soft X-ray region. Spectral ranges: 0.2835-0.3356 nm, energy range: 2-160 keV
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 15.4 kg Power 24 W Data Rate


Providing Agency Roscosmos
Instrument Maturity Flown on an R&D satellite
Utilization Period: 1994 to 1994-07-15
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 spectrum
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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 flux spectrum3 - highNo specific limitation.Coarse spectral resolution, wide dynamic range