First light with HiPERCAM on the GTC
- Dhillon, V.
- Dixon, S.
- Gamble, T.
- Kerry, P.
- Littlefair, S.
- Parsons, S.
- Marsh, T.
- Bezawada, N.
- Black, M.
- Gao, X.
- Henry, D.
- Lunney, D.
- Miller, C.
- Dubbeldam, M.
- Morris, T.
- Osborn, J.
- Wilson, R.
- Casares, J.
- Munoz-Darias, T.
- Palle, E.
- Rodriguez-Gil, P.
- Shahbaz, T.
- de Ugarte Postigo, A.
DOIAbstract
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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