THE CEOS DATABASE : Missions, Instruments and Measurements
Full Name Halogen Occultation Experiment Status No longer operational
Instrument Agencies NASA Maturity
Instrument Type Atmospheric chemistry Geometry Nadir-viewing
Instrument Technology Limb-scanning IR spectrometer Sampling Sounding
Data Access Data Format
Measurements and Applications Data on vertical distributions of hydrofluoric and hydrochloric acids, methane, water vapour and members of the nitrogen family. It also provides atmospheric temperature versus pressure profiles from observations of carbon dioxide.
Resolution Summary
Swath Summary
Accuracy Summary
Waveband Summary
NIR (~0.75 µm - ~1.3 µm)
TIR (~6.0 µm - ~15.0 µm)
Instrument Measurements
Atmospheric Humidity FieldsAtmospheric specific humidity (LT, LS, HS&M) 
Atmospheric Temperature FieldsAtmospheric temperature (LT) 
OzoneOzone profile 
Trace gases (excluding ozone)Atmospheric Chemistry - CH4 (LT, HT, LS, HS&M) 
Atmospheric Chemistry - NO (LS, HS&M) 
Atmospheric Chemistry - NO2 (LS, HS&M) 
Atmospheric Chemistry - HCl (LS, HS&M) 
Instrument Missions
UARS - Upper Atmosphere Research Satellite (1991 - 2005)
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