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Cerro Tololo Inter-American Observatory

   Also found in: Acronyms, Wikipedia, Hutchinson 0.02 sec.
Cerro Tololo Inter-American Observatory (sā`rō tōlō`lō), astronomical observatory observatory, scientific facility especially equipped to detect and record naturally occurring scientific phenomena. Although geological and meteorological observatories exist, the term is generally applied to astronomical observatories.
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 located on Cerro Tololo peak, Chile, with offices in La Serena, about 40 mi (64 km) to the west. Funded by the U.S. National Science Foundation (NSF), it is operated by the Association of Universities for Research in Astronomy (AURA), which also operates such other major national observatories as the Kitt Peak National Observatory in Arizona. The principal instrument is a 158-in. (4-m) reflecting telescope, the largest in the Southern Hemisphere and the twin of the 158-in. (4-m) reflector at Kitt Peak. Other equipment of the observatory includes 60-in. (1.5-m), 36-in. (0.9-m), and twin 16-in. (0.4-m) reflectors and the 24-in. (0.6-m) Curtis-Schmidt camera formerly at the Univ. of Michigan. Also at Cerro Tololo, a half mile from the summit, is a 24-in. (0.6-m) reflector belonging to the Lowell Observatory. Additional telescopes are planned for the 1990s, including a 161 in. (4.1-m) telescope from Columbia Univ. and a new 26-ft (8-m) reflector.


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Chile is at the center of the greatest construction program ever undertaken in ground-based astronomy," says Smith, director of the Cerro Tololo Inter-American Observatory home to one of the world's most-touted optical telescopes.
Scientists had dubbed the object Gomez' Hamburger in honor of Arturo Gomez of the Cerro Tololo Inter-American Observatory in La Serena, Chile, who discovered the object from there in 1985.
Using a 4-meter telescope at the Cerro Tololo Inter-American Observatory in La Serena, Chile, Polomski and her colleagues have found that since 1997, the amount of mid-infrared radiation emitted by dust surrounding the star has doubled.
 
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