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24 September 2012 The test of the 10k x 10k CCD for Antarctic Survey Telescopes (AST3)
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A 10k x 10k single-chip CCD camera was installed on the first Antarctic Survey Telescope (AST3-1) at Dome A, Antarctica in January 2012. The pixel size is 9 μm, corresponding to 1 arcsec on the focal plane. The CCD runs without shutter but in frame transfer mode, and is cooled by thermoelectric cooler (TEC) to take advantage of the low air temperature at Dome A. We tested the performance of the camera in detail, including the gain, linearity, readout noise, dark current, charge transfer efficiency, etc. As this camera is designed to work at Dome A, where the lowest air temperature could go down to −80°C in winter, we tested to cool not only the CCD chip but also the controller which usually is operated at normal temperatures for ground-based telescopes. We found that the performance of the camera changes a little when the controller is cooled.
© (2012) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Bin Ma, Zhaohui Shang, Lifan Wang, Kasey Boggs, Yi Hu, Qiang Liu, Qian Song, and Suijian Xue "The test of the 10k x 10k CCD for Antarctic Survey Telescopes (AST3)", Proc. SPIE 8446, Ground-based and Airborne Instrumentation for Astronomy IV, 84466R (24 September 2012);


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