First light with HiPERCAM on the GTC

Dhillon, Vik; Dixon, Simon; Gamble, Trevor; Kerry, Paul; Littlefair, Stuart; Parsons, Steven; Marsh, Thomas; Bezawada, Naidu; Black, Martin; Gao, Xiaofeng et al.
Bibliographical reference

Proceedings of the SPIE, Volume 10702, id. 107020L 11 pp. (2018).

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HiPERCAM is a quintuple-beam imager that saw first light on the 4.2 m William Herschel Telescope (WHT) in October 2017 and on the 10.4 m Gran Telescopio Canarias (GTC) in February 2018. The instrument uses re- imaging optics and 4 dichroic beamsplitters to record ugriz (300-1000 nm) images simultaneously on its five CCD cameras. The detectors in HiPERCAM are frame-transfer devices cooled thermo-electrically to 90°C, thereby allowing both long-exposure, deep imaging of faint targets, as well as high-speed (over 1000 windowed frames per second) imaging of rapidly varying targets. In this paper, we report on the as-built design of HiPERCAM, its first-light performance on the GTC, and some of the planned future enhancements.
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