THE CEOS DATABASE : Missions, Instruments and Measurements
CEOS EO HANDBOOK – INSTRUMENT SUMMARY - SIM -
Full Name Spectral Irradiance Monitor Status Operational
Instrument Agencies NASA Maturity
Instrument Type Earth radiation budget radiometers Geometry
Instrument Technology Solar irradiance monitor Sampling Imaging
Data Access Open Access Data Format HDF
Measurements and Applications Measures solar spectral irradiance in the 200 - 2000 nm range.
Resolution Summary
Swath Summary
Accuracy Summary 2% (0.02)
Waveband Summary UV - SWIR: 200 - 2490 nm
UV (~0.01 µm - ~0.40 µm)
VIS (~0.40 µm - ~0.75 µm)
NIR (~0.75 µm - ~1.3 µm)
SWIR (~1.3 µm - ~3.0 µm)
Instrument Measurements
CategoryParameterAccuracy
Radiation budgetDownwelling (Incoming) solar radiation at TOA2 [%]
Instrument Missions
SORCE - Solar Radiation and Climate Experiment (2003 - 2019)
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