BackForwardInstrument:  CIRC 

Instrument details
Acronym CIRC
Full name Compact Infrared Camera
Purpose Wild fire detection
Short description Single TIR channel radiometer, 8-12 μm, NEΔT = 0.2 K @ 300 K, dynamic range 180-400 K
Background New development
Scanning Technique Pushbroom, matrix of 640 x 480 microbolometer detectors (128 km x 96 km) side-looking 30° offset, swath 128 km
Resolution 200 m
Coverage / Cycle Global in 10 days
Mass 2.6 kg Power Data Rate

 

Providing Agency JAXA
Instrument Maturity Flown on an R&D satellite
Utilization Period: 2014-11-25 to ≥2020
Last update: 2018-10-05
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
  • Passive optical radiometer or spectrometer
  • High resolution optical imager
Mission objectives
Primary mission objectives
  • Fire fractional cover
Secondary mission objectives
  • Sea surface temperature
Opportunity objectives
  • Cloud cover
  • Cloud top temperature
  • Fire radiative power
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Tentative 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.

Note: table can be sorted by clicking on the column headers
VariableRelevance for measuring this variableOperational limitationsExplanation
Cloud cover5 - marginalInfrequent coverage.TIR window channel(s) around 11 micrometers
Cloud top temperature5 - marginalInfrequent coverage.TIR window channel(s) around 11 micrometers
Fire fractional cover2 - very highCloud sensitive.. Infrequent coverage.TIR window channel(s) around 11 micrometers
Fire radiative power5 - marginalCloud sensitive.. Infrequent coverage.TIR window channel(s) around 11 micrometers
Fire temperature5 - marginalCloud sensitive.. Infrequent coverage.TIR window channel(s) around 11 micrometers
Sea surface temperature5 - marginalCloud sensitive.. Infrequent coverage.TIR window channel(s)