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Large Millimeter Telescope (LMT)




Large Miliimeter Telescope
The Large Millimeter Telescope during construction
A 50-meter-diameter (164 ft.) millimeter-wave telescope – the world's largest for use in this region of the spectrum. It is designed to operate mainly at wavelengths of 0.85 to 4 millimeters.

The Large Millimeter Telescope is a joint project of the University of Massachusetts at Amherst and the Instituto Nacional de Astrofísica, Óptica, y Electrónica (INAOE) in Mexico. Built at a cost of $120 million, it stands at an altitude of 4,580m (15,026ft), on the summit of Sierra Negra, Mexico's fifth highest peak – an extinct volcano in the state of Puebla. The LMT was inaugerated by Mexican President Vicente Fox in November 2006 and was scheduled to begin scientific operations in 2008.


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   • OBSERVATORIES AND TELESCOPES