30 September 2004 Subaru next-generation wide-field camera: HyperSuprime
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Abstract
We summarize the design and the specification of a next generation instrument for Subaru Telescope: a very wide-field (2°φ) CCD camera which we name HyperSuprime. The latest design of the corrector ensures 80% encircled energy diameter of 0".3 from 600 nm to 1100 nm over the 2°φ field of view. The size of the focal plane is 612 mm in diameter and covered by about 170 four side buttable 2kx4k CCDs. Fully depleted CCD which is now being developed is the primary candidate for HyperSuprime. The readout electronics is connected behind the CCD and this CCD package is screwed to the cold plate with three positioning pins. The large entrance window of the dewar is supported with additional ribs so that the dewar is evacuated and CCDs are cooled down to about -80°C. HyperSuprime equips with a filter exchanger which can accommodate four large mosaicked filters and a roll-type shutter.
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Yutaka Komiyama, Satoshi Miyazaki, Hidehiko Nakaya, Hisanori Furusawa, Kunio Takeshi, "Subaru next-generation wide-field camera: HyperSuprime", Proc. SPIE 5492, Ground-based Instrumentation for Astronomy, (30 September 2004); doi: 10.1117/12.552437; https://doi.org/10.1117/12.552437
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