Calibration of geometric distortion in the ACS detectors

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

doi:10.1117/12.460259

24 February 2003 Calibration of geometric distortion in the ACS detectors

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

Author Affiliations +

Proceedings Volume 4854, Future EUV/UV and Visible Space Astrophysics Missions and Instrumentation; (2003) https://doi.org/10.1117/12.460259
Event: Astronomical Telescopes and Instrumentation, 2002, Waikoloa, Hawai'i, United States

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, and 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); https://doi.org/10.1117/12.460259

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