Large Millimeter Telescope

The Large Millimeter Telescope (LMT) (Spanish: Gran Telescopio Milimétrico, or GTM), officially the Large Millimeter Telescope Alfonso Serrano (Spanish: Gran Telescopio Milimétrico Alfonso Serrano), is the world's largest single-aperture telescope in its frequency range, built for observing radio waves in the wave lengths from approximately 0.85 to 4 mm. It has an active surface with a diameter of 50 metres (160 ft) and 1,960 square metres (21,100 sq ft) of collecting area. The telescope is located at an altitude of 4,850 metres (15,910 ft) on top of Sierra Negra, the fifth-highest peak in Mexico and an extinct volcanic companion to Mexico's highest mountain Pico de Orizaba, inside the National Park Pico de Orizaba in the state of Puebla. It is a binational Mexican (70%) – American (30%) joint project of the Instituto Nacional de Astrofísica, Óptica y Electrónica (INAOE) and the University of Massachusetts Amherst. Millimetre-wavelength observations using the LMT give astronomers a view of regions which are obscured by dust in the interstellar medium, thus increasing our knowledge of star formation. The telescope is also particularly fitted for observing solar system planetesimals and planets as well as extra-solar protoplanetary disks which are relatively cold and emit most of their radiation at millimetre wavelengths. The mission of the LMT is to: 1) pursue pioneering research, 2) train future generations of scientists and engineers, and 3) develop new technology for the benefit of society. The LMT mainly studies thermally cold objects, most of which are associated with large amounts of cosmic dust and/or molecular gas. Among the objects of interest are comets, planets, protoplanetary discs, evolved stars, star-forming regions and galaxies, molecular clouds, active galactic nuclei (AGNs), high-redshift galaxies, clusters of galaxies, and the cosmic microwave background. The LMT has a bent Cassegrain optical system with a 50m-diameter reflecting primary surface...