CEOS EO HANDBOOK – INSTRUMENT SUMMARY
- IRAS
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Full Name
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InfraRed Atmospheric Sounder
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Status
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Operational
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Instrument Agencies
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NRSCC , CAST , NSMC-CMA, CNSA
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Maturity
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Instrument Type
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Atmospheric temperature and humidity sounders 
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Geometry
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Cross-track scanning
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Instrument Technology
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Narrow-band channel IR radiometer
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Sampling
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Sounding
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Data Access
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Open Access
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Data Format
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L-1 data: HDF 5.0
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Measurements and Applications
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Atmospheric sounding for weather forecasting.
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Resolution Summary
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14 km
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Swath Summary
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952 km
[Max Swath: 952 km]
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Accuracy Summary
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17 km
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Waveband Summary
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VIS - TIR: 0.65 - 14.95 µm (26 channels)
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| 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) |
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Instrument Measurements
Measurements Overview
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Instrument Missions
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