Las Campanas Observatory
Las Campanas Observatory (LCO) is an astronomical observatory owned and operated by the Carnegie Institution for Science (CIS). It is in the southern Atacama Desert of Chile in the Atacama Region approximately 100 kilometres (62 mi) northeast of the city of La Serena. The LCO telescopes and other facilities are near the north end of a 7 km (4.3 mi) long mountain ridge. Cerro Las Campanas, near the southern end and over 2,500 m (8,200 ft) high, is the future home of the Giant Magellan Telescope.
Telescopes at Las Campanas Observatory
|Organization||Carnegie Institution for Science|
|Location||Atacama Region, Chile|
|Altitude||2,380 m (7,810 ft)|
|Telescopes||Du Pont Telescope|
Giant Magellan Telescope
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LCO was established in 1969 and is the primary observing facility of CIS. It supplanted Mount Wilson Observatory in that role due to increasing light pollution in the Los Angeles area. The headquarters of Carnegie Observatories is located in Pasadena, California, while the main office in Chile is in La Serena next to the University of La Serena and a short distance from the Association of Universities for Research in Astronomy facility.
It is served by Pelicano Airport, 23 kilometres (14 mi) to the southwest.
- The 6.5 m (260 in) Magellan Telescopes are two identical single-mirror reflecting telescopes. The Walter Baade Telescope saw first light in 2000, and the Landon Clay Telescope in 2002. They are managed by LCO for an international consortium of institutions which includes LCO.
- The 2.5 m (98 in) du Pont Telescope is named after industrialist Irénée du Pont and has been in operation since 1977. It is a Ritchey-Chrétien telescope with a Gascoigne corrector lens, and was built by Boller & Chivens and L&F Industries.
- The 1.0 m (39 in) Swope Telescope was the first telescope installed at LCO, and began operating in 1971. It is named after CIS astronomer Henrietta Swope. It is a Ritchey-Chrétien telescope built by Boller & Chivens with a Gascoigne corrector lens.
- The 1.3 m (51 in) Warsaw Telescope is the main instrument of the Optical Gravitational Lensing Experiment operated by the University of Warsaw Observatory. Installed in 1996, it is a Ritchey-Chrétien design built by DFM Engineering. Exact location: ± 1 meter, altitude of the base of the building 2,275 metres (7,464 ft) over mean sea level.
- The All Sky Automated Survey (ASAS) is a project to monitor the southern sky for variable stars. It consists of two wide-field telescopes, one narrow field telescope, and one ultra-wide field telescope. A prototype system was installed in 1996 and a second in 1997, both in the same enclosure as the 10-inch astrograph. The three larger telescopes were installed in 2000. The ultra-wide device was added in 2002 when the existing telescopes were moved to a new, smaller enclosure. Location: ± 5 meter.
- The Hungarian Automated Telescope South (HAT-South) facility is part of the HATNet Project to detect exoplanets using the transit method. It consists of a pair of four 0.18 m (7.1 in) Takahasi reflecting astrographs on a common mount. It was installed in 2009.
- The Birmingham Solar Oscillations Network (BiSON) operates at station at LCO.
- The 4.0 m (13.1 ft) NANTEN millimeter-wavelength radio telescope was located at LCO from 1995 to 2004. It is now located at the Pampa La Bola site of the Llano de Chajnantor Observatory and is known as the NANTEN2 Observatory.
- The 0.61 m (24 in) Helen Sawyer Hogg Telescope (HSHT) was operated at LCO by the University of Toronto Southern Observatory from 1971 to 1997. It is now located at Leoncito Astronomical Complex.
- A 0.25 m (10 in) astrograph operated at the site for some time, and was used to discover Supernova 1987A (SN 1987A).
- The Pi of the Sky project operated two wide-angle cameras that searched for the optical signature of gamma ray bursts at LCO starting in 2004. The installation was moved to a commercial telescope hosting site in San Pedro de Atacama in 2011.
- The Giant Magellan Telescope is an extremely large telescope under construction at LCO, with completion expected in 2025. It is 24.5 m (80 ft) effective aperture design with seven 8.4 m (28 ft) segments. The telescope will have a light-gathering area of 368 m2 (3,960 sq ft), which is roughly fifteen times greater than one of the Magellan telescopes. The mirrors are being fabricated by the Steward Observatory Mirror Laboratory, and the first was started in 2005.
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- Coulter, D. A.; Foley, R. J.; Kilpatrick, C. D.; Drout, M. R.; Piro, A. L.; Shappee, B. J.; Siebert, M. R.; Simon, J. D.; Ulloa, N. (2017-10-16). "Swope Supernova Survey 2017a (SSS17a), the optical counterpart to a gravitational wave source". Science. 358 (6370): 1556–1558. arXiv:1710.05452. Bibcode:2017Sci...358.1556C. doi:10.1126/science.aap9811. ISSN 0036-8075. PMID 29038368.
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