The University of Hawaii Wide‐Field Imager (UHWFI) | Zendy

K. W. Hodapp | Zendy; Andreas Seifahrt | Zendy; Gerard A. Luppino | Zendy; R. J. Wainscoat | Zendy; Ed Sousa | Zendy; Hubert Yamada | Zendy; Alan Ryan | Zendy; Richard Shelton | Zendy; Mel Inouye | Zendy; A. J. Pickles | Zendy; Yanko K. Ivanov | Zendy

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The University of Hawaii Wide‐Field Imager (UHWFI)

Author(s) -

K. W. Hodapp,

Andreas Seifahrt,

Gerard A. Luppino,

R. J. Wainscoat,

Ed Sousa,

Hubert Yamada,

Alan Ryan,

Richard Shelton,

Mel Inouye,

A. J. Pickles,

Yanko K. Ivanov

Publication year - 2006

Publication title -

publications of the astronomical society of the pacific

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.294

H-Index - 172

eISSN - 1538-3873

pISSN - 0004-6280

DOI - 10.1086/504695

Subject(s) - telescope , shutter , optics , stepper , lens (geology) , physics , software , first light , focal length , computer science , light source , programming language

The University of Hawaii Wide-Field Imager (UHWFI) is a focal compressorsystem designed to project the full half-degree field of the UH 2.2 m telescopeonto the refurbished UH 8Kx8K CCD camera. The optics use Ohara glasses and aremounted in an oil-filled cell to minimize light losses and ghost images fromthe large number of internal lens surfaces. The UHWFI is equipped with asix-position filter wheel and a rotating sector blade shutter,both driven bystepper motors. The instrument saw first light in 2004 in an engineering mode.After filling the lens cell with index matching oil, integration of allsoftware components into the user interface, tuning of the CCD performance, andthe purchase of the final filter set, UHWFI is now fully commissioned at the UH2.2 m telescope.Comment: 13 pages of text, 2 tables, 8 figure

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