Bok Telescope

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Bok Telescope
Organization Steward Observatory
Location Kitt Peak, Arizona, USA
Altitude 6,900 ft
Wavelength optical, infrared
Built June 23, 1969
Telescope style reflector
Diameter 2.3m (90 inches)

The Bok Telescope (also known as the 90-inch) is the largest telescope operated solely by Steward Observatory. It finds much use from astronomers from University of Arizona, Arizona State University, and Northern Arizona University, with instruments capable of both imaging and spectroscopy.[1]

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[edit] History

The Bok Telescope was named after the prolific astronomer and directory of Steward Observatory from 1966-1969, Bart Bok, one of the most beloved astronomers in Tucson. It was used on March 18, 2007 by Bruno Sicardy to view Pluto's occultation of a star in Sagitarrius.[2] The building itself features a very long spiral staircase leading to the telescope and a balcony called "The Bok Walk".

[edit] Instruments

There are currently 3 instruments that are mainly used at the 90-inch, two that work in the optical and one in the near-IR. The 90prime instrument, whose principle Investigator is Edward Olszewski, is a prime focus, wide-field imager capable of imaging 1 square degree on the sky, while the B&C Spectrograph does spectroscopy. The Steward 256x256 NIR Camera, which has been available at the telescope since 1991,[3] uses a NICMOS array which was built during the development of the NICMOS instrument on the HST.

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