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Instrument details
Acronym
GGAK-E/VUSS-E
Full name
GGAK-E / Solar UV radiation sensor
Purpose
To measure the intensity of the solar UV radiation
Short description
Fluxmeter to measure the intensity at 121.6 nm (H Lyman alpha-line)
Background
Part of the GGAK-E (Heliogeophysical Instrument Complex on Electro-L) package, also confirmed for Electro-M (GGAK-E/M) and adapted to Arctica (GGAK-E/A)
Scanning Technique
Sun pointing from GEO
Resolution
N/A (full disk)
Coverage / Cycle
Full solar disk at 1 s intervals
Mass
Power
Data Rate
Providing Agency
Roscosmos
Instrument Maturity
Flown on operational programme
Utilization Period:
2012-01-15 to 2016
Last update:
2020-03-02
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
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 Lyman-alpha flux 2 - very high No specific limitation. H-Ly-alpha at 121.6 nm (EUV/UV boundary)
Instrument: GGAK-E/VUSS-E