WIYN Observatory
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| Organisation |
WIYN Consortium 
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| Location(s) |
Kitt Peak , United States of America
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| Coordinates | 31°57′27″N 111°36′04″W / 31.9575°N 111.601°WCoordinates: 31°57′27″N 111°36′04″W / 31.9575°N 111.601°W |
| Built | –1994 |
| Telescope style |
optical telescope
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| Diameter | 3,498.85 mm (11 ft 5.750 in) |
| Collecting area | 9.6 m2 (103 sq ft) |
| Focal length | 6.125 m (20.10 ft) |
| Mounting | Altazimuth mount |
| Enclosure |
rhombicuboctahedron
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| Website | www |
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The WIYN Observatory is owned and operated by the WIYN Consortium. Its telescope, a 3.5-meter instrument, is the second largest optical telescope at Kitt Peak National Observatory in Arizona. Most of the capital costs for the observatory were provided by the University of Wisconsin–Madison, Indiana University, and Yale University, while the National Optical Astronomy Observatory provides most of the operating services.
The telescope is located in a half-Rhombicuboctahedron dome, and has a blank diameter of 3.51155 m (138.25"), and a diameter to bevels of 3.49885 m (137.75").
HYDRA is a multiobject spectrograph using fiber optics positioned in the focal plane to allow up to 100 separate objects to be observed at a time. The light is guided to a spectrograph room under the main telescope where a CCD camera records the spectrum of each object. The field of view is approximately 1 degree. [1]
WHIRC is a near infrared high resolution imaging camera commissioned in 2008. WHIRC was a joint project between the WIYN partners and STScI. It consists of a 2k × 2k detector providing an excellent pixel scale of 0.1"/pixel and a field of view of 200 × 200 arcsec. WHIRC can be used with the WIYN Tip/Tilt Module (WTTM) to provide exquisite high-resolution images. A large set of filters is available.
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