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ITC, Sensitivity and Overheads

The GRACES Integration Time Calculator (ITC) can be used to determine limiting magnitudes, exposure times, S/N ratios, background levels, etc. for all the available GRACES configurations and any kind of observing conditions. The targets are only modeled by a black-body spectrum in the current version. 


  • Throughput and Sensitivity
  • Atmospheric Differential Refraction (GMOS page)
  • Overheads
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