Summary of JWST NIRCam Latent Image Behavior

Latent images, also called persistence, are an unavoidable feature of near-infrared detector arrays comprised of photodiodes. Test data collected while characterizing the detector arrays for NIRCam have been used to understand the latent image behavior. These data have suggested possible calibration schemes that could be added to data processing pipelines. The impact of latent images on likely operations scenarios for JWST are also considered to help users understand whether persistence is an issue for their observing programs, and how users may be able to mitigate the impact of persistence on their data.