24 February 2003 Calibration of geometric distortion in the ACS detectors
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Abstract
The off-axis location of the Advanced Camera for Surveys causes strong geometric distortion in all detectors -- the Wide Field Camera (WFC), High Resolution Camera (HRC), and Solar Blind Camera (SBC). Dithered observations of rich star cluster fields are used to calibrate the distortion. We describe the observations obtained, the algorithms used to perform the calibrations and the accuracy achieved. We present our best current calibration of the geometric distortion of each of the detectors.
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Gerhardt R. Meurer, Don J. Lindler, John Blakeslee, Colin R. Cox, Andre Martel, Hien D. Tran, Rychard Bouwens, Holland C. Ford, Mark Clampin, George F. Hartig, Marco Sirianni, Guido De Marchi, "Calibration of geometric distortion in the ACS detectors", Proc. SPIE 4854, Future EUV/UV and Visible Space Astrophysics Missions and Instrumentation, (24 February 2003); doi: 10.1117/12.460259; https://doi.org/10.1117/12.460259
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KEYWORDS
Stars

Distortion

Calibration

Sensors

Cameras

Charge-coupled devices

Ultraviolet radiation

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