Bok Telescope
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| Bok Telescope | |
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| Organization | Steward Observatory |
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| 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] The telescope operates year-round, except during the August summer-shutdown when maintenance is performed while the weather is poor (Arizona's monsoon season lasts from roughly July through August).
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[edit] History
The Bok Telescope was named after the prolific astronomer and director 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 principal 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.
[edit] Photos
 The telescope itself. |
 Panorama of the control room. |
[edit] See also
[edit] References
[edit] External links
