BackForwardInstrument:  SUIT 

Instrument details
Acronym SUIT
Full name Solar Ultraviolet Imaging Telescope
Purpose To image the spatially resolved Solar Photosphere and Chromosphere in near Ultraviolet and measure solar irradiance variations
Short description Near-UV radiometer with 10 channels in the range 200-400 nm selected by a filter-wheel mechanism
Background Consolidated technology
Scanning Technique Full disk viewed. IFOV 1.1 solar radii.
Resolution N/A (full disk)
Coverage / Cycle Full solar disc
Mass Power Data Rate


Providing Agency ISRO
Instrument Maturity Flown on an R&D satellite
Utilization Period: 2024 to 2028
Last update: 2021-12-02
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
  • Solar and space environment monitors
  • Solar activity monitor
WIGOS Subcomponents
  • Subcomponent 2
  • Solar magnetograph, solar EUV/X-ray imagery and EUV/X-ray irradiance, both on the Earth-Sun line and off the Earth-Sun line
  • Solar UV spectrometer [from L1, GEO, LEO]
Mission objectives
Primary mission objectives
  • Solar UV flux
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
Solar UV flux*2 - very highNo specific limitation.Several channels, moderate dynamic range