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What is Pixel Centroid Analysis for Roman Telescope about?
This paper investigates the pixel centroid offsets in the Teledyne H4RG-10 infrared detector arrays of the Nancy Grace Roman Space Telescope using laser speckle patterns. The authors develop a method to reconstruct these offsets and find residual centroid offsets of 0.0107 pixels rms, which can impact measurements in weak gravitational lensing and other astronomical applications. The study aims to provide insights into pixel-level behavior and improve future characterization efforts for astronomical detecto
- Author
- Majid Yousefi
- Language
- EN