AAS 198th Meeting, June 2001
Session 5. Ground Based Instruments and Surveys
Display, Monday, June 4, 2001, 9:20am-6:30pm, Exhibit Hall

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[5.03] Status of the Steward Observatory 90-Inch Prime Focus Instrument

G. G. Williams, E. Olszewski, M. Lesser, J. Burge (Steward Observatory), Steward Observatory 90-Prime Team

Steward Observatory is currently constructing a prime focus wide-field imager for the 90-inch telescope located atop Kitt Peak. The camera's focal plane array will be populated with a mosaic of four thinned Lockheed 4096 x 4096 pixel CCDs. The f/2.98 primary provides a plate scale of 0.45''/pixel and a total field-of-view of 1.16 x 1.16 square degrees. The optical design includes a four element corrector and six position filter wheel. Engineering runs are scheduled to begin in July 2001. We describe the ``90-Prime'' instrument design and its current status. This work is supported by NSF grant AST-9871490.

If you would like more information about this abstract, please follow the link to http://compton.as.arizona.edu/90prime/index.html. This link was provided by the author. When you follow it, you will leave the Web site for this meeting; to return, you should use the Back comand on your browser.

The author(s) of this abstract have provided an email address for comments about the abstract: gwilliams@as.arizona.edu

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