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The GMOS-N and GMOS-S EEV detectors had significant fringing in the red. The new GMOS-N DD E2V detectors exhibit much less fringing than the original EEV detectors. It is expected that the Hamamatsu detectors will exhibit even less fringing. The pages in this section show examples of fringe frames in imaging mode as well as science data before and after correction for fringing.


  • GMOS-North
  • GMOS-South