Detector Performance
The performance of the WFI detectors is characterized pre-launch, during commissioning, and regularly on orbit. This section of the Instrument Handbook provides an overview of the performance characterization activities and provides a summary of the performance in a number of key areas.
Overview of Content
The Wide Field Instrument (WFI) focal plane is populated with 18 H4RG-10 detectors. Characterizing the performance of those detectors has occurred in a number of stages on the ground – from the original acceptance of the detectors by the mission, their integration into the WFI sub-systems, and their integration into the spacecraft. The WFI Ground Testing Campaigns article provides a description of the goals, execution, and major findings from the ground testing. The detector performance will continue to be evaluated during commissioning and then monitored throughout operations. The On-Orbit Calibration Plan article provides a brief overview of the planned calibrations on-orbit and their likely data sources (e.g., specialized campaigns or use of science data).
Future RDox Releases will included detailed information on the performance as characterized by ground testing. As of this writing, many of those analyses are being completed and prepared for release by project partners.
More information about the WFI detectors and their calibration is available on these pages:
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