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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:
2021-09-29
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 2 Solar EUV spectrometer [from L1, GEO, 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 Lyman-alpha flux 2 - very high No specific limitation. H-Ly-alpha at 121.6 nm (EUV/UV boundary)
Instrument: GGAK-E/VUSS-E