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Instrument details
Acronym
GGAK-E/ISP-2M
Full name
GGAK-L / Solar constant sensor
Purpose
Integral radiance of the Sun (integral solar constant)
Short description
Spectral range. 0.2-100 µm
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
Resolution
N/A
Coverage / Cycle
Continuous measuremet (at 1 s intervals)
Mass
Power
Data Rate
Providing Agency
Roscosmos
Instrument Maturity
Flown on operational programme
Utilization Period:
≥2022 to ≥2032
Last update:
2021-06-17
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
Earth observation instrument Passive optical radiometer or spectrometer Solar irradiance monitor
WIGOS Subcomponents
Subcomponent 1 Absolutely calibrated broadband radiometers, and TSI and SSI radiometers
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
Downward short-wave irradiance at TOA 2 - very high No specific limitation. TSI over the range from UV to FIR
Instrument: GGAK-E/ISP-2M