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Instrument details
Acronym
SUFR-Sp-C
Full name
Solar UV Radiometer
Purpose
To measure solar radiation intensity in the UV range
Short description
UV radiometer to measure the total energy in the interval 0-130 nm and the fractions in 24 ranges in the bands of soft X-rays 0.3-12 nm and on the hydrogen Lyman-alpha line (121.6 nm)
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 8-min rate
Mass
3.6 kg
Power
12 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 EUV flux Solar Lyman-alpha flux Solar UV flux Solar X-ray flux Show all Show fewer
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 EUV flux 1 - primary No specific limitation. Several channels, wide dynamic range
Solar Lyman-alpha flux 2 - very high No specific limitation. H-Ly-alpha at 121.6 nm (EUV/UV boundary)
Solar UV flux 2 - very high No specific limitation. Several channels, moderate dynamic range
Instrument: SUFR-Sp-C