BackForwardInstrument:  LIMS 

Instrument details
Acronym LIMS
Full name Limb Infrared Monitor of the Stratosphere
Purpose Chemistry of the upper atmosphere. Tracked species: H2O, HNO3, NO2 and O3
Short description 6-channel radiometer: five narrow-bandwidth with center wavelengths 6.25, 6.75, 9.65, 11.35, 15.25 µm, and one broad channel 13.3-17.2 µm. Spectral resolution about 5 cm-1
Background Follow-on of LRIR flown on Nimbus-6. Operations terminated after 9 months (limited by the cryogenic cooler)
Scanning Technique Limb sounding, mechanically driven in the altitude range 10-70 km
Resolution Vertical: 2-4 km; horizontal: 300 km along-view
Coverage / Cycle Global in 3 days for cells of 300 km side
Mass 68.4 kg Power 27 W Data Rate 4 kbps


Providing Agency NASA
Instrument Maturity Flown on an R&D satellite
Utilization Period: 1979 to 1994
Last update: 2017-01-17
Detailed characteristics
Satellites this instrument is flying on

Note: a red tag indicates satellites no longer operational, a green tag indicates operational satellites, a blue tag indicates future satellites

Instrument classification
  • Earth observation instrument
  • Limb sounders
  • Limb sounder
WIGOS Subcomponents
  • Subcomponent 2
  • UV/VIS/NIR/IR/MW limb sounders
  • UV/VIS/NIR/IR occultation limb sounder
Mission objectives
No mission objectives have been defined.
Evaluation of Measurements

The following list indicates which measurements can typically be retrieved from this category of instrument. To see a full Gap Analysis by Variable, click on the respective variable.

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Note: * Primary mission objective.