CEOS EO HANDBOOK – INSTRUMENT SUMMARY - NISTAR -
Full Name NIST Advanced Radiometer Status Operational
Instrument Agencies NASA, NOAA Maturity
Instrument Type Earth radiation budget radiometers Geometry Nadir-viewing
Instrument Technology Solar irradiance monitor Sampling Other
Data Access Open Access Data Format HDF-5
Measurements and Applications Measure the energy emitted and reflected by the Earth.
Resolution Summary
Swath Summary
Accuracy Summary 0.1% accuracy; 0.03% precision
Waveband Summary 0.2 - 100 µm in 4 channels
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)
FIR (~15.0 µm - ~0.1 cm)
Instrument Measurements
Measurements Overview
CategoryParameter
Radiation budgetUpwelling (Outgoing) long-wave radiation at Earth surface
Upwelling (Outgoing) Short-wave Radiation at the Earth Surface
Instrument Missions
DSCOVR - Deep Space Climate Observatory (2015 - 2026)