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Infrared Optical Telescope Array

Infrared Optical Telescope Array
SunsetFromIOTAWithTelescope.png
Infrared Optical Telescope Array instrument cupola at sunset
Observatory Fred Lawrence Whipple Observatory Edit this on Wikidata
Location(s) Arizona, US
Coordinates 31°41′29″N 110°53′06″W / 31.6915°N 110.885°W / 31.6915; -110.885Coordinates: 31°41′29″N 110°53′06″W / 31.6915°N 110.885°W / 31.6915; -110.885 Edit this at Wikidata
Decommissioned February 2007 Edit this on Wikidata
Telescope style Long baseline optical interferometer
optical telescope Edit this on Wikidata
Website tdc-www.harvard.edu/IOTA/ Edit this at Wikidata
Infrared Optical Telescope Array is located in the US
Infrared Optical Telescope Array
Location of Infrared Optical Telescope Array
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The Infrared Optical Telescope Array (IOTA) was a stellar interferometer array. IOTA began with an agreement in 1988 among five Institutions, the Smithsonian Astrophysical Observatory, Harvard University, the University of Massachusetts Amherst, the University of Wyoming, and MIT/Lincoln Laboratory, to build a two-telescope stellar interferometer for the purpose of making fundamental astrophysical observations, and also as a prototype instrument on which they could perfect techniques which could later lead to the development of a larger, more powerful array. On site construction went on for all 1993 and 1994, with first fringes in December 1993. It is located at Fred Lawrence Whipple Observatory.

In 2000 the third telescope came online providing closure phase observations, allowing aperture synthesis imaging to be performed for the first time at IOTA. The array was decommissioned and disassembled in summer 2006 due to lack of funding.


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