Full Name Cryogenic Solar Absolute Radiometer Status Being developed
Instrument Agencies ESA, UKSA Maturity
Instrument Type Earth radiation budget radiometers Geometry Side-looking
Instrument Technology Solar irradiance monitor Sampling Other
Data Access Open Access Data Format
Measurements and Applications Primary Standard for Solar radiation, traceable to SI units, provide very high accuracy (goal 0.03% ARA) TSI (Total Solar Irradiance) measurements
Resolution Summary
Swath Summary
Accuracy Summary ARA goal 0.03%
Waveband Summary Solar Spectrum integrated from 0.2 to 30 mm
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)
MWIR (~3.0 µm - ~6.0 µm)
TIR (~6.0 µm - ~15.0 µm)
Instrument Measurements
Measurements Overview
Radiation budgetDownwelling (Incoming) solar radiation at TOA
Thematic Links Global Climate Observing System Essential Climate Variables (GCOS ECVs)
ECVDescriptionProduct(s)ECV Inventory 3.0 Record(s)
Earth Radiation Budget click here click here search ECV Inventory records
Instrument Missions
TRUTHS - Traceable Radiometry Underpinning Terrestrial- and Helio- Studies (TRUTHS) (2030 - 2035)