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Leoncito Astronomical Complex

Coordinates: 31°47′55″S 69°17′44″W / 31.7986°S 69.2956°W / -31.7986; -69.2956
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El Leoncito Astronomical Complex
Dome of the Jorge Sahade Telescope at Leoncito Astronomical Complex
Dome of the Jorge Sahade Telescope at CASLEO
Alternative namesCASLEO Edit this at Wikidata
OrganizationNational Scientific and Technical Research Council
Observatory code829
LocationSan Juan Province, Argentina
Coordinates31°47′55″S 69°17′44″W / 31.7986°S 69.2956°W / -31.7986; -69.2956
Altitude2,483 metres (8,146 ft)
Established1983 (1983)
WebsiteEl Leoncito Astronomical Complex
Telescopes
Jorge Sahade Telescope2.2 m reflector
Solar Submillimeter Telescope1.5 m radio telescope
Helen Sawyer Hogg Telescope0.6 m reflector
Astrograph for the Southern Hemisphere0.5 m reflector
Horacio Ghielmetti Telescope0.4 m reflector
Leoncito Astronomical Complex is located in Argentina
Leoncito Astronomical Complex
Location of El Leoncito Astronomical Complex
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[edit on Wikidata]

The El Leoncito Astronomical Complex (Spanish: Complejo Astronómico El Leoncito - CASLEO) is an astronomical observatory in the San Juan Province of Argentina. CASLEO is one of two observatories located within El Leoncito National Park, which is in a part of the country which rarely sees cloud cover. The other facility in the park is the Carlos U. Cesco Astronomical Station of the Félix Aguilar Observatory.[1] CASLEO was established in 1983 by an agreement between National Scientific and Technical Research Council (CONICET) of Argentina, the Ministry of Science, Technology and Innovation (MINCYT) of Argentina, the National University of San Juan (UNSJ), the National University of La Plata (UNLP), and the National University of Córdoba (UNC).[2] The facility was dedicated in 1986 and regular observations began in 1987.

CASLEO's telescopes are located in two separate areas within the El Leoncito Park. The Jorge Sahade and Submillimeter telescopes are at the main site on the edge of the Pampa de la Ciénaga del Medio, along with support facilities. The Helen Sawyer Hogg telescope, Ghielimetti telescope, and the Astrograph for the Southern Hemisphere are located on Cerro Burek, approximately 1.6 km (1 mi) to the northeast and 85 m (279 ft) higher. Separating the areas is the Arroyo El Leoncito, which flows west into the Barreal Blanco in the Pampa de El Leoncito. The driving distance between the two sites is approximately 7 km (4.3 mi).[3]

Telescopes

  • The 2.15 m (85 in) Jorge Sahade Telescope (JS) is a Ritchey-Chrètien reflecting telescope built by Boller & Chivens. The 40-ton telescope is supported by an equatorial mount.[4] It was installed in 1984 and began regular operations in 1987.[5] It was originally purchased by UNLP in the 1960s.[2]
  • The 1.5 m (59 in) Solar Submillimeter Telescope (SST) is a solar radio telescope design to observe solar flares at two wavelengths in the submillimeter range. It is a partnership of CASLEO and the Mackenzie Center for Radio Astronomy and Astrophysics of Brazil. Several other organizations have also participated. The SST was installed in 1999 and began routine operations in 2001.[6]
  • The 0.61 m (24 in) Helen Sawyer Hogg Telescope (HSHT) is a classical Cassegrain reflector built by Competition Associates and installed in 1971 at the University of Toronto Southern Observatory, which was located at Las Campanas Observatory in Chile. In 1997 UTSO was shut down, and the telescope was loaned indefinitely to CASLEO, where it was installed in 1998.[7] The telescope was dedicated to Helen Sawyer Hogg before it was moved.
  • The 0.45 m (18 in) Astrograph for the Southern Hemisphere (ASH) is a reflecting telescope on an equatorial mount. It is a partnership of CASLEO and the Astrophysics Institute of Andalucía.[8]
  • The 0.41 m (16 in) Horacio Ghielmetti Telescope (THG) is a Schmidt-Cassegrain reflector made by Meade Instruments attached to an equatorial mount. It is operated by CASLEO and the Institute of Astronomy and Space Physics of Argentina.[9]
  • Jorge Sahade Telescope
    Jorge Sahade Telescope

See also

References

  1. ^ "PN El Leoncito". Administración de Parques Nacionales. Archived from the original on 2012-01-14. Retrieved 2012-01-23. {{cite web}}: Unknown parameter |deadurl= ignored (|url-status= suggested) (help)
  2. ^ a b "Complejo Astronómico El Leoncito - History, Visitors, etc". Complejo Astronómico El Leoncito. Retrieved 2012-01-23.
  3. ^ Distances estimated in Google Maps using the Distance Measurement Tool.
  4. ^ Type of ton - metric, long, or short - not specified.
  5. ^ "Complejo Astronómico El Leoncito - Jorge Sahade Telescope". Complejo Astronómico El Leoncito. Retrieved 2012-01-23.
  6. ^ "Complejo Astronómico El Leoncito - Solar Submillimeter Telescope". Complejo Astronómico El Leoncito. Retrieved 2012-01-23.
  7. ^ "Complejo Astronómico El Leoncito - Helen Sawyer Hogg Telescope". Complejo Astronómico El Leoncito. Retrieved 2012-01-23.
  8. ^ "Complejo Astronómico El Leoncito - Astrograph for the Southern Hemisphere". Complejo Astronómico El Leoncito. Retrieved 2012-01-23.
  9. ^ "Complejo Astronómico El Leoncito - Horacio Ghielmetti Telescope". Complejo Astronómico El Leoncito. Retrieved 2012-01-23.
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