BackForwardInstrument:  HyS-SWIR 

Instrument details
Acronym HyS-SWIR
Full name Hyperspectral Imager - Short Wave Infrared
Purpose Frequent high-resolution observation of vegetation processes
Short description Hyperspectral, 150 channels in the range 0.9-2.5 μm. Spectral resolution < 10 nm, SNR > 400
Background Complementary to HyS-VNIR
Scanning Technique Mechanical, addressable everywhere in the disc with variable area coverage
Resolution 500 m at s.s.p.
Coverage / Cycle Depending on the size of the scanned area. 30 min for the India region
Mass Power Data Rate


Providing Agency ISRO
Instrument Maturity Flown on an R&D satellite
Utilization Period: 2021 to 2029
Last update: 2021-06-22
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
WIGOS Subcomponents
  • Subcomponent 1
  • Narrow-band or hyperspectral imagers
  • Hyperspectral imager (for vegetation)
Mission objectives
Primary mission objectives
  • Leaf Area Index (LAI)
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
Note: * Primary mission objective.
VariableRelevance for measuring this variableOperational limitationsExplanation
Cloud top height4 - fairInfrequent coverage.. Daylight only.NIR hyperspectral channels to estimate the total-column O2 above the cloud top as measured around 760 nm
Leaf Area Index (LAI)*2 - very highCloud sensitive.. Daylight only.. Infrequent coverage.NIR and SWIR hyperspectral channels
Specific humidity4 - fairCloud sensitive.. Very coarse vertical resolution.. Infrequent coverage.. Daylight only.NIR hyperspectral channels including the ro-sigma-tau band of water vapour around 940 nm
Integrated Water Vapour (IWV)5 - marginalCloud sensitive.. Infrequent coverage.. Daylight only.NIR hyperspectral channels covering the 940 nm band