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461:. The program reached its apex with the installation of the SEST in 1987 (Swedish ESO Submillimetre Telescope), the only large submillimetre telescope in the southern hemisphere, which was a combined project between ESO and the Swedish Natural Science Research Council. Around the end of the century some of the original telescopes were closed: the 1m Schmidt closed in 1998 and the 1.5m in 2002, while new equipment owned by various foreign observatories was introduced. A 1-metre telescope owned by
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450:. With a permanent base of dormitories, workshops, hotels and several functioning telescopes, the observatory was fully operational. The ESO 1.5-metre and ESO 1-metre telescopes had been erected in the late 1960s, and were joined in 1968 by the Gran Prismo Objectif telescope, which had previously been used in South Africa. These three telescopes can be seen in this order from right to left in the background of the image on the left from June 1968.
555:
435:, 600 km north of Santiago de Chile and at an altitude of 2400 metres. Besides being government property, it had the added benefits of being in a dry, flat and easily accessible area, yet isolated and remote from any artificial light and dust sources. Originally named the Cinchado, it was renamed La Silla ("the saddle" in Spanish) after its saddle-like shape. On October 30, 1964, the contracts were signed and an area of 627
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635:(MPIA) and ESO, the instrument is operated by MPG until the end of September 2016. The telescope hosts three instruments: the 67-million pixel Wide Field Imager with a field of view as large as the full Moon, which has taken many amazing images of celestial objects; GROND, the Gamma-Ray Burst Optical/Near-Infrared Detector, which chases the afterglows of the most powerful explosions in the Universe, known as
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577:. To prevent heat input to the building, all motors in the telescope are water cooled and all the electronics boxes are insulated and cooled. The primary mirror of the NTT is actively controlled to preserve its figure at all telescope positions. The secondary mirror position is also actively controlled in three directions. The optimized airflow, the thermal controls, and the
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ESO operates three major optical and near infrared telescopes at the La Silla site: the New
Technology Telescope (NTT), the 3.6-m ESO Telescope, and the 2.2-m Max-Planck-ESO Telescope (MPG/ESO Telescope). In addition La Silla hosts several other national and project telescopes such as the ESO 1-metre
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There are three types of petroglyph designs at La Silla: human and animal figures, abstract geometrical designs and purely ornamental ensembles. Beside the petroglyphs there exists also a stone circle near La Silla, which is suggested as an astronomical tool. Three rocks aligned during the El Molle
540:, the High Accuracy Radial velocity Planet Searcher, the world's foremost exoplanet hunter. HARPS is a spectrograph with unrivalled precision and is the most successful finder of low-mass exoplanets to date. Since 2022, the 3.6 m telescope has also hosted NIRPS, the Near Infra Red Planet Searcher.
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This 3.6 m
Cassegrain telescope started operations in 1976 and has been constantly upgraded since, including the installation of a new secondary mirror that has kept the telescope in its place as one of the most efficient and productive engines of astronomical research. The telescope hosts
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585:: it corrects the defects and deformation of the telescope and mirror, but does not correct the turbulence; it ensures that the optics is always in perfect shape. Together with the thermal control, it allows the NTT to reach the ambient seeing, but it does not improve it.
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This picture shows two of the three new ExTrA telescopes hosted at ESO's La Silla
Observatory in Chile. Situated over 2000 meters above sea level, these telescopes scour the skies for Earth-sized worlds around M class stars, which are stars smaller than the
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Schmidt
Telescope, the 1.54-m Danish Telescope, the 1.2-m Leonhard Euler Telescope, the Rapid Eye Mount telescope, TRAPPIST and TAROT. These telescopes are not operated by ESO and hence do not fall under the responsibility of La Silla Science Operations.
573:. The telescope and its enclosure had a revolutionary design for optimal image quality. NTT saw first light in March 1989. The telescope chamber is ventilated by a system of flaps which optimize the air flow across the NTT optimizing the dome and mirror
443:) was purchased the following year. During 1965, temporary facilities were erected with living quarters, a workshop and storage area. The dedication ceremony of the road to the summit took place in March 1966, two months after completion of the road.
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Following the decision in 1963 to approve Chile as the site for the ESO observatory, scouting parties were sent to various locations to assess their suitability. The site that was decided upon was La Silla in the southern part of the
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and covers about sixteen square degrees. This enables the remotely controlled project telescope to observe about a third of the night sky every four days. The La Silla–QUEST survey with the
Schmidt telescope corresponds to the
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About 300 scientific papers based on observations taken at La Silla are published each year. The HARPS spectrograph has found a large number of low-mass extrasolar planets. It detected the planets within the
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or MPG). Telescope time is shared between MPG and ESO observing programmes, while the operation and maintenance of the telescope are ESO's responsibility. However, due to a new agreement between the
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La Silla also hosts several national and project telescopes not operated by ESO. Among them are the Swiss Euler
Telescope, the Danish National Telescope and the REM, TRAPPIST and TAROT telescopes.
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1199:. This alignment occurred during late April and during May and could signal the beginning of the cold season. Farmers could have used this tool to determine when to move their herds, mostly
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The delicate central spiral symbolizes a serpent while the rest of the space is taken up by strange little figures, together with some simple geometric motifs and quadrupeds.
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This remarkable photo shows the ESO La Silla observatory in the foreground with the planets Venus and
Jupiter low in the sky and the Milky Way drifting behind them.
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639:; and the high-resolution spectrograph, FEROS, used to make detailed studies of stars. MPG's 2.2-metre telescope in La Silla also has a twin brother located at the
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mount, and the optics are a
Ritchey-Chrétien design. Because of the telescope's mount and limited space inside the dome, it has significant pointing restrictions.
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of the sky—equivalent to about the area of 64 full Moons. Commissioned in 1971, it was one of the first telescopes operational at La Silla and was still using
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was commissioned. The Swiss T70 was a
Cassegrain reflector design mounted on an Equatorial fork mount. It was equipped with a P7 Photometer, and replaced the
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356:(ESO). Several other telescopes are also located at the site and are partly maintained by ESO. The observatory is one of the largest in the
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position to the astronomical community. Data from the TAROT telescope is also useful in studying the evolution of GRBs, the physics of a
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371:, one of the driest and most remote areas in the world. Like other observatories in this region, La Silla is far from sources of
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828:, began operation in October 2002. The primary purpose of the telescope is to follow the afterglow of the GRBs detected by the
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824:(REM) is a small rapid-reaction automatic telescope with a primary 60-centimetre (24 in) mirror. The telescope, in an
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The 2.2-metre telescope has been in operation at La Silla since early 1984, and is on indefinite loan to ESO from the
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1916:"La Silla Observatory turns 50! - ESO's first observatory celebrates half a century of astronomical research"
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This time-lapse video taken at ESO's La Silla site shows the stars revolving around the south celestial pole.
689:'s Department of Astronomy, and has since been used for astronomical surveys focused on the discovery of new
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1203:, into their villages. There are signs of illicit excavations at La Silla since the 1990s and in 2017 some
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2388:"Eyes Wide Open for MASCARA in Chile – Exoplanet hunter sees first light at ESO's La Silla Observatory"
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Timelapse: stars rise over La Silla and its vast number of telescopes spring into action (in ultra HD)
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Time-lapse sequence of the 2.2-metre MPG/ESO telescope at the La Silla during a night of observation
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2853:"Possible astronomical meanings of some El Molle relics near the ESO Observatory at La Silla"
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This sequence shows the night sky at ESO's La Silla
Observatory during a night of observing.
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at the time. These plates later confirmed the rediscovery of long-lost asteroids such as
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On 25 March 1969, the ESO site at La Silla was finally formally inaugurated by President
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spectrograph to conduct high-precision radial velocity measurements, also known as the
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This time-lapse sequence shows ESO's La Silla Observatory, looking towards the south.
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that was carried out in the Northern Hemisphere and led to the discovery of several
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enclosure in winter time and (#3) the dome of the "Great Dane" at night; (#4) the
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In 2009, the telescope was dedicated to the LaSilla–Quest Variability Survey, by
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This sequence shows a night of observing at ESO's La Silla Observatory in Chile.
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This sequence shows a night of observing at ESO's La Silla Observatory in Chile.
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in the southern celestial hemisphere. Its first discovery was a planet orbiting
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The La Silla telescopes and instruments are located 150 km northeast of
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Bernardi, Gabriella; Vecchiato, Alberto; Bucciarelli, Beatrice (July 2012).
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930:. It has recently gained fame following the discovery and categorisation of
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give the excellent image quality of the NTT. The NTT has active instead of
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Stars rotate around the southern celestial pole during a night at La Silla
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Another ESO site with archaeological testimonies in its vicinity is the
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ESO 0.5-metre telescope (now at the Observatorio UC in Santiago, Chile)
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station saw first light in July 2017. Built and operated by the Dutch
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2266:"The Strange Case of 133P/Elst–Pizzarro: A Comet Among the Asteroids"
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Timelapse at La Silla: star trails form and bend towards the horizon
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and Geneva Observatory. The 0.60-metre telescope is specialized in
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2342:"Extrasolar Planet in Double Star System Discovered from La Silla"
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569:, 3.58-metre Richey-Chretien telescope which pioneered the use of
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that had a first light in 1980. It was retired in 1998, when the
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and has been in use at La Silla since 1979. The telescope has an
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1155:, can be found all around La Silla. These are attributed to the
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1725:"A Window to the Past — La Silla's transformation through time"
1123:, which contains what may be the first known rocky planet in a
934:, a planet system of seven near-earth like planets orbiting an
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Yales's 160-megapixel QUEST camera consists of a mosaic of 112
2264:
Hsieh, Henry H.; Jewitt, David C.;Fernández, Yanga R. (2004).
2733:"Hundreds of rock engravings around the La Silla Observatory"
2133:"Telescopes and Instrumentation, MPG/ESO 2.2-metre Telescope"
2002:"Telescopes and Instrumentation, the ESO 3.6-metre Telescope"
1981:"Telescopes and Instrumentation, the ESO 3.6-metre Telescope"
2682:"Astronomers Find First Earth-like Planet in Habitable Zone"
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A timelapse of a unique cloudscape over La Silla at sunset
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TRAnsiting Planets and PlanetesImals Small Telescope–South
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La Silla under construction in June 1968. In front is the
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La Silla Observatory blanketed in snow as the Sun sets.
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The following telescopes have now been decommissioned:
731:, which spawned a new class of celestial bodies called
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opened in 1998, followed by a 1.2-metre telescope from
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and its surrounding material. It is operated from the
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Télescope à Action Rapide pour les Objets Transitoires
3595:
2827:"La cultura material del complejo cultural El Molle"
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Coudé Auxiliary 1.47-m Telescope (CAT), adjacent to
918:, and was one of the few telescopes that observed a
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749:is a 1.2-metre telescope built and operated by the
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182:
167:
154:
115:
104:
84:
60:
47:
1066:Marseille 0.4-metre Telescope (National telescope)
842:The Quick-action telescope for transient objects,
383:—it has some of the darkest night skies on Earth.
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2594:
2592:
2480:"Former 'tenth planet' may be smaller than Pluto"
2363:"Southern Sky extrasolar Planet search Programme"
1896:"La Silla Observatory, A Dictionary of Astronomy"
1032:Bochum 0.61-metre Telescope (National telescope)
352:with three telescopes built and operated by the
2625:
2623:
2572:"DEep Near-Infrared Survey of the southern sky"
1041:Danish 0.5-metre Telescope (National telescope)
3352:Space Telescope European Coordinating Facility
1044:Dutch 0.9-metre Telescope (National telescope)
360:and was the first in Chile to be used by ESO.
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3073:
2773:Niemeyer, Hans; Ballereau, Dominique (1996).
2731:Ballereau, D.; Niemeyer, H. (December 1990).
565:The ESO New Technology Telescope (NTT) is an
8:
2857:Journal of Astronomical History and Heritage
2658:"Swiss 0.4-metre telescope (decommissioned)"
2522:"Coudé Auxiliary Telescope (decommissioned)"
2326:: CS1 maint: multiple names: authors list (
2062:"The ESO New Technology Telescope, Overview"
1159:. The El Molle culture have their origin as
1075:Swiss T70 telescope (1980–1998, now home of
1053:ESO 1-metre telescope (1966–1994), used for
453:By 1976, the largest telescope planned, the
294:
33:
3691:Buildings and structures in Coquimbo Region
1460:(right) nearly align themselves in the sky.
1167:and village life. They are known for their
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3058:
1629:List of highest astronomical observatories
1163:that developed a new way of life based on
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403:
269:
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173:
159:
95:
72:
52:
39:
32:
2982:"Cloud City in a Galaxy Far, Far Away..."
2807:"History – El Molle - Chile Precolombino"
2289:
1151:Hundreds of rock engravings, also called
3003:"Venus, Jupiter and the Art of Patience"
1604:Panorama of La Silla at sunset with the
1094:was a 70 cm aperture telescope for
926:, revealing that it may be smaller than
660:The ESO 1-metre Schmidt telescope, is a
454:
255:Swiss 1.2-metre Leonhard Euler Telescope
3602:
2097:
2095:
1701:
1680:Cerro Tololo Inter-American Observatory
1673:Cerro Tololo Inter-American Observatory
1594:
1427:
3701:Minor-planet discovering observatories
2604:"Swiss T70 telescope (decommissioned)"
2319:
2229:"The LaSilla-Quest Variability Survey"
996:and its instruments in daylight; (#2)
769:. Other observing programmes focus on
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2726:
2724:
2722:
1608:in the center and the decommissioned
1508:Telescope Domes clustered at La Silla
7:
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2908:"Petroglyphs - La Silla Observatory"
2775:"Los petroglifos del cerro La Silla"
1047:Grand Prism Objectif (GPO) Telescope
761:, primarily in the search for large
3681:Astronomical observatories in Chile
3089:Astronomical observatories in Chile
3024:"Shooting Star over ESO Telescopes"
2576:Strasbourg astronomical Data Center
2103:"ESO/MPG 2.2m telescope (La Silla)"
1544:La Silla Observatory during daytime
1070:Swedish-ESO Submillimetre Telescope
713:Palomar Distant Solar System Survey
250:Swedish-ESO Submillimetre Telescope
3041:ESO - La Silla Paranal Observatory
2459:"The Danish Telescope at La Silla"
2176:"LaSilla-Quest Variability Survey"
2107:Max Planck Institute for Astronomy
2042:"The ESO New Technology Telescope"
1624:List of astronomical observatories
808:Roque de los Muchachos Observatory
633:Max Planck Institute for Astronomy
504:and with annotated telescope names
25:
3253:National Astronomical Observatory
2877:10.3724/SP.J.1440-2807.2012.02.06
2247:"Strange Comet Discovered at ESO"
2156:"National and Project Telescopes"
906:, is a joint venture between the
27:Astronomical observatory in Chile
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3641:
3629:
3617:
3605:
3578:
3562:
3551:
3550:
3360:
3276:
3275:
3051:La Silla virtual tour and webcam
2478:Kelly Beatty (8 November 2010).
1983:(Table on the right of the page)
1941:"Telescopes and Instrumentation"
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1582:
1570:
1549:
1537:
1525:
1513:
1501:
1489:
1480:is to the right. (Seen from the
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1442:
1430:
1401:
1381:
1361:
1335:
1315:
1295:
1268:
1247:
1226:
982:
973:
964:
955:
946:
723:. In 1996, the telescope imaged
490:
481:
413:
395:
314:
303:Location of La Silla Observatory
293:
286:
3342:Llano de Chajnantor Observatory
2962:. European Southern Observatory
2204:"ESO 1-metre Schmidt telescope"
1866:Europe's Quest for the Universe
1833:Europe's Quest for the Universe
1685:Llano de Chajnantor Observatory
1637:Llano de Chajnantor Observatory
1139:Signs of a pre-Hispanic culture
777:, gamma-ray bursts, monitoring
260:TAROT-South robotic observatory
1961:"La Silla Telescopes Overview"
1642:Atacama Large Millimeter Array
1633:Other observatories in Chile:
1520:La Silla Observatory at sunset
1:
3696:European Southern Observatory
3323:European Southern Observatory
2956:"Morning Light Over La Silla"
2392:European Southern Observatory
1785:"About La Silla: Its History"
992:From left to right: (#1) The
830:Swift Gamma-Ray Burst Mission
500:La Silla Observatory in 2003
354:European Southern Observatory
158:2,400 m (7,900 ft)
68:European Southern Observatory
3676:1964 establishments in Chile
3526:Astronomy & Astrophysics
3245:Santiago Metropolitan Region
2082:"The MPG/ESO 2.2m Telescope"
1749:Adriaan Blaauw (1991). "3".
1496:Morning Light Over La Silla.
1171:and body ornaments, such as
1085:(1975–1980, replaced by T70)
753:in Switzerland. It uses the
423:inaugurates La Silla in 1969
2631:"Swiss T70 telescope, 1982"
1661:Cerro Armazones Observatory
1121:Gliese 581 planetary system
1008:(background); and (#5) the
664:designed to provide a wide
3717:
864:Haute-Provence Observatory
619:telescopes (left to right)
592:
547:
518:
455:§ ESO 3.6 m Telescope
367:, on the outskirts of the
3545:
3358:
3271:
1862:Lodewijk Woltjer (2006).
1829:Lodewijk Woltjer (2006).
1666:Extremely Large Telescope
1104:Swiss 0.4-metre telescope
1083:Swiss 0.4-metre telescope
994:Rapid Eye Mount telescope
878:Danish National Telescope
822:Rapid Eye Mount telescope
800:Multi-site all-sky camera
727:with a previously unseen
325:
312:
281:
245:Rapid Eye Mount telescope
216:ESO 1-m Schmidt telescope
38:
18:Danish National Telescope
3233:Giant Magellan Telescope
2932:"Archaeology in Atacama"
2912:Lisa Germany Photography
2270:The Astronomical Journal
2183:–Department of Astronomy
2022:"The ESO 3.6m Telescope"
1870:. EDP Sciences. p.
1837:. EDP Sciences. p.
1060:ESO 1.52-metre telescope
550:New Technology Telescope
544:New Technology Telescope
320:Related media on Commons
240:New Technology Telescope
2906:lgermany (2017-03-26).
2547:"ESO 1-metre telescope"
2344:. ESO. 24 November 1998
1729:ESO Picture of the Week
1709:Adriaan Blaauw (1991).
1610:Swedish radio telescope
1063:Marly 1-metre Telescope
717:trans-Neptunian objects
629:Max Planck Gesellschaft
589:MPG/ESO 2.2 m Telescope
2703:"ESO - RockEngravings"
1148:
1114:Scientific discoveries
871:Danish 1.54m Telescope
851:
779:active galactic nuclei
641:Calar Alto Observatory
628:
620:
562:
532:
48:Alternative names
1146:
655:ESO Schmidt telescope
602:
557:
528:
463:Marseille Observatory
448:Eduardo Frei Montalva
421:Eduardo Frei Montalva
404:ESO Schmidt telescope
86:Observatory code
3391:(under construction)
3337:La Silla Observatory
3046:ESO - About La Silla
2684:. ESO. 25 April 2007
2253:. 16 September 1996.
2113:on 11 September 2015
1654:Very Large Telescope
922:of the dwarf planet
898:The Belgian robotic
783:gravitational lenses
381:Very Large Telescope
339:La Silla Observatory
34:La Silla Observatory
3347:Paranal Observatory
3228:Magellan Telescopes
3125:Llano de Chajnantor
2869:2012JAHH...15..137B
2749:1990Msngr..62...21B
2282:2004AJ....127.2997H
1751:ESO's Early History
1711:ESO's Early History
1649:Paranal Observatory
1606:ESO 3.6 m Telescope
1565:Observatory trailer
1092:Swiss T70 telescope
920:stellar occultation
908:University of Liège
691:Kuiper Belt Objects
670:photographic plates
643:in southern Spain.
530:ESO 3.6 m Telescope
515:ESO 3.6 m Telescope
377:Paranal Observatory
358:Southern Hemisphere
225:ESO 3.6 m Telescope
139:29.2575°S 70.7375°W
135: /
35:
3097:Antofagasta Region
1472:Ramps lead to the
1149:
1108:Geneva Observatory
763:extrasolar planets
751:Geneva Observatory
625:Max Planck Society
621:
563:
533:
467:Geneva Observatory
144:-29.2575; -70.7375
3593:
3592:
3393:
3289:
3288:
2414:"Rapid Eye Mount"
1612:in the foreground
1560:
1482:ESO 3.6 Telescope
1411:
1391:
1371:
1345:
1325:
1305:
1279:
1258:
1237:
1037:ESO 3.6 Telescope
1023:Former telescopes
1006:ESO 3.6 Telescope
804:Leiden University
725:7968 Elst–Pizarro
693:(KBOs), periodic
662:Schmidt telescope
595:MPG/ESO telescope
521:ESO 3.6 Telescope
437:square kilometres
336:
335:
235:MPG/ESO telescope
16:(Redirected from
3708:
3658:
3657:
3646:
3645:
3644:
3634:
3633:
3632:
3622:
3621:
3610:
3609:
3608:
3601:
3582:
3581:
3568:Portal:Astronomy
3566:
3554:
3553:
3432:
3414:
3406:
3389:
3364:
3316:
3309:
3302:
3293:
3279:
3278:
3082:
3075:
3068:
3059:
3028:
3027:
3020:
3014:
3013:
3011:
3009:
2999:
2993:
2992:
2990:
2988:
2978:
2972:
2971:
2969:
2967:
2952:
2946:
2945:
2943:
2942:
2928:
2922:
2921:
2919:
2918:
2903:
2897:
2896:
2848:
2842:
2841:
2839:
2838:
2831:Museo del Limarí
2823:
2817:
2816:
2814:
2813:
2803:
2797:
2796:
2794:
2793:
2779:
2770:
2761:
2760:
2728:
2717:
2716:
2714:
2713:
2699:
2693:
2692:
2690:
2689:
2678:
2672:
2671:
2669:
2668:
2654:
2645:
2644:
2642:
2641:
2627:
2618:
2617:
2615:
2614:
2600:
2587:
2586:
2584:
2582:
2568:
2562:
2561:
2559:
2557:
2543:
2537:
2536:
2534:
2532:
2518:
2512:
2511:
2509:
2508:
2494:
2488:
2487:
2475:
2469:
2468:
2466:
2465:
2455:
2449:
2448:
2446:
2445:
2436:. Archived from
2430:
2424:
2423:
2421:
2420:
2410:
2404:
2403:
2401:
2399:
2384:
2378:
2377:
2375:
2374:
2365:. Archived from
2359:
2353:
2352:
2350:
2349:
2338:
2332:
2331:
2325:
2317:
2315:
2314:
2293:
2276:(5): 2997–3017.
2261:
2255:
2254:
2243:
2237:
2236:
2225:
2219:
2218:
2216:
2214:
2200:
2194:
2193:
2191:
2189:
2172:
2166:
2165:
2163:
2162:
2152:
2143:
2142:
2140:
2139:
2129:
2123:
2122:
2120:
2118:
2109:. Archived from
2099:
2090:
2089:
2078:
2072:
2071:
2069:
2068:
2058:
2052:
2051:
2049:
2048:
2038:
2032:
2031:
2029:
2028:
2018:
2012:
2011:
2009:
2008:
1998:
1992:
1991:
1989:
1988:
1977:
1971:
1970:
1968:
1967:
1957:
1951:
1950:
1948:
1947:
1937:
1931:
1930:
1928:
1926:
1912:
1906:
1905:
1903:
1902:
1892:
1886:
1885:
1869:
1859:
1853:
1852:
1836:
1826:
1820:
1819:
1817:
1816:
1810:"About La Silla"
1806:
1800:
1799:
1797:
1796:
1781:
1775:
1774:
1772:
1771:
1765:"About La Silla"
1761:
1755:
1754:
1746:
1740:
1739:
1737:
1735:
1721:
1715:
1714:
1706:
1601:
1586:
1574:
1562:
1561:
1541:
1529:
1517:
1505:
1493:
1469:
1446:
1434:
1413:
1412:
1393:
1392:
1373:
1372:
1347:
1346:
1327:
1326:
1307:
1306:
1281:
1280:
1260:
1259:
1239:
1238:
1218:Timelapse videos
1207:was discovered.
1161:hunter-gatherers
1157:El Molle culture
1129:gamma-ray bursts
1072:(SEST), 15-metre
986:
977:
968:
959:
950:
936:ultra-cool dwarf
826:altazimuth mount
775:asteroseismology
647:Other telescopes
637:gamma-ray bursts
494:
485:
417:
399:
329:edit on Wikidata
318:
297:
296:
290:
274:
273:
205:
200:
197:
195:
193:
191:
189:
178:
177:
163:
150:
149:
147:
146:
145:
140:
136:
133:
132:
131:
128:
100:
99:
77:
76:
56:
43:
36:
21:
3716:
3715:
3711:
3710:
3709:
3707:
3706:
3705:
3666:
3665:
3664:
3652:
3642:
3640:
3630:
3628:
3616:
3606:
3604:
3596:
3594:
3589:
3541:
3513:
3456:
3450:
3430:
3412:
3404:
3365:
3356:
3325:
3320:
3290:
3285:
3267:
3239:
3185:Coquimbo Region
3179:
3110:Cerro Armazones
3091:
3086:
3037:
3032:
3031:
3022:
3021:
3017:
3007:
3005:
3001:
3000:
2996:
2986:
2984:
2980:
2979:
2975:
2965:
2963:
2954:
2953:
2949:
2940:
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2930:
2929:
2925:
2916:
2914:
2905:
2904:
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2850:
2849:
2845:
2836:
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2825:
2824:
2820:
2811:
2809:
2805:
2804:
2800:
2791:
2789:
2777:
2772:
2771:
2764:
2730:
2729:
2720:
2711:
2709:
2701:
2700:
2696:
2687:
2685:
2680:
2679:
2675:
2666:
2664:
2656:
2655:
2648:
2639:
2637:
2629:
2628:
2621:
2612:
2610:
2602:
2601:
2590:
2580:
2578:
2570:
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2565:
2555:
2553:
2545:
2544:
2540:
2530:
2528:
2520:
2519:
2515:
2506:
2504:
2496:
2495:
2491:
2477:
2476:
2472:
2463:
2461:
2457:
2456:
2452:
2443:
2441:
2434:"TAROT website"
2432:
2431:
2427:
2418:
2416:
2412:
2411:
2407:
2397:
2395:
2386:
2385:
2381:
2372:
2370:
2361:
2360:
2356:
2347:
2345:
2340:
2339:
2335:
2318:
2312:
2310:
2291:10.1.1.362.9950
2263:
2262:
2258:
2245:
2244:
2240:
2233:Yale University
2227:
2226:
2222:
2212:
2210:
2202:
2201:
2197:
2187:
2185:
2181:Yale University
2174:
2173:
2169:
2160:
2158:
2154:
2153:
2146:
2137:
2135:
2131:
2130:
2126:
2116:
2114:
2101:
2100:
2093:
2080:
2079:
2075:
2066:
2064:
2060:
2059:
2055:
2046:
2044:
2040:
2039:
2035:
2026:
2024:
2020:
2019:
2015:
2006:
2004:
2000:
1999:
1995:
1986:
1984:
1979:
1978:
1974:
1965:
1963:
1959:
1958:
1954:
1945:
1943:
1939:
1938:
1934:
1924:
1922:
1914:
1913:
1909:
1900:
1898:
1894:
1893:
1889:
1882:
1861:
1860:
1856:
1849:
1828:
1827:
1823:
1814:
1812:
1808:
1807:
1803:
1794:
1792:
1783:
1782:
1778:
1769:
1767:
1763:
1762:
1758:
1748:
1747:
1743:
1733:
1731:
1723:
1722:
1718:
1708:
1707:
1703:
1698:
1620:
1613:
1602:
1591:
1587:
1578:
1575:
1566:
1563:
1550:
1545:
1542:
1533:
1530:
1521:
1518:
1509:
1506:
1497:
1494:
1485:
1478:Euler Telescope
1470:
1461:
1447:
1438:
1435:
1426:
1421:
1420:
1419:
1418:
1417:
1414:
1402:
1398:
1397:
1394:
1382:
1378:
1377:
1374:
1362:
1355:
1354:
1353:
1352:
1351:
1348:
1336:
1332:
1331:
1328:
1316:
1312:
1311:
1308:
1296:
1289:
1288:
1287:
1286:
1285:
1282:
1269:
1265:
1264:
1261:
1248:
1244:
1243:
1240:
1227:
1220:
1141:
1116:
1100:Euler Telescope
1088:
1025:
1020:
1019:
1018:
1017:
1002:Euler Telescope
989:
988:
987:
979:
978:
970:
969:
961:
960:
952:
951:
895:
876:The 1.54-metre
873:
839:
817:
792:
747:Euler Telescope
742:
740:Euler telescope
733:main-belt comet
657:
649:
597:
591:
583:adaptive optics
552:
546:
523:
517:
508:
507:
506:
505:
497:
496:
495:
487:
486:
475:
428:
427:
426:
425:
424:
418:
409:
408:
407:
400:
389:
373:light pollution
332:
308:
307:
306:
305:
304:
300:
299:
298:
277:
268:
186:
172:
143:
141:
137:
134:
129:
126:
124:
122:
121:
109:Coquimbo Region
94:
80:
71:
51:La Silla 1.52m
31:
28:
23:
22:
15:
12:
11:
5:
3714:
3712:
3704:
3703:
3698:
3693:
3688:
3686:Atacama Desert
3683:
3678:
3668:
3667:
3663:
3662:
3650:
3638:
3626:
3614:
3591:
3590:
3588:
3587:
3575:
3559:
3546:
3543:
3542:
3540:
3539:
3537:Xavier Barcons
3534:
3529:
3521:
3519:
3515:
3514:
3512:
3511:
3506:
3501:
3496:
3491:
3486:
3481:
3476:
3471:
3466:
3460:
3458:
3452:
3451:
3449:
3448:
3443:
3438:
3433:
3425:
3420:
3415:
3407:
3399:
3394:
3384:
3379:
3373:
3371:
3367:
3366:
3359:
3357:
3355:
3354:
3349:
3344:
3339:
3333:
3331:
3327:
3326:
3321:
3319:
3318:
3311:
3304:
3296:
3287:
3286:
3284:
3283:
3272:
3269:
3268:
3266:
3265:
3260:
3258:Cerro El Roble
3255:
3249:
3247:
3241:
3240:
3238:
3237:
3236:
3235:
3230:
3220:
3215:
3210:
3204:
3199:
3189:
3187:
3181:
3180:
3178:
3177:
3172:
3167:
3157:
3151:
3146:
3141:
3136:
3131:
3122:
3117:
3107:
3101:
3099:
3093:
3092:
3087:
3085:
3084:
3077:
3070:
3062:
3056:
3055:
3054:
3053:
3043:
3036:
3035:External links
3033:
3030:
3029:
3015:
2994:
2973:
2947:
2923:
2898:
2863:(2): 137–145.
2843:
2818:
2798:
2784:(in Spanish).
2762:
2718:
2694:
2673:
2646:
2619:
2588:
2563:
2538:
2513:
2489:
2470:
2450:
2425:
2405:
2394:. 19 July 2017
2379:
2354:
2333:
2300:10.1086/383208
2256:
2238:
2220:
2195:
2167:
2144:
2124:
2091:
2088:. 2 June 2014.
2073:
2053:
2033:
2013:
1993:
1972:
1952:
1932:
1907:
1887:
1880:
1854:
1847:
1821:
1801:
1776:
1756:
1741:
1716:
1700:
1699:
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1349:
1334:
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1314:
1313:
1309:
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1292:
1291:
1290:
1283:
1267:
1266:
1262:
1246:
1245:
1241:
1225:
1224:
1223:
1222:
1221:
1219:
1216:
1193:Alpha Centauri
1140:
1137:
1125:habitable zone
1115:
1112:
1087:
1086:
1080:
1073:
1067:
1064:
1061:
1058:
1051:
1048:
1045:
1042:
1039:
1033:
1029:
1024:
1021:
991:
990:
981:
980:
972:
971:
963:
962:
954:
953:
945:
944:
943:
942:
941:
940:
939:
894:
891:
890:
889:
872:
869:
868:
867:
856:sub-arc second
838:
835:
834:
833:
816:
813:
812:
811:
791:
788:
787:
786:
771:variable stars
741:
738:
737:
736:
703:
702:
695:variable stars
682:
681:
656:
653:
648:
645:
593:Main article:
590:
587:
548:Main article:
545:
542:
519:Main article:
516:
513:
499:
498:
489:
488:
480:
479:
478:
477:
476:
474:
471:
433:Atacama desert
419:
412:
411:
410:
401:
394:
393:
392:
391:
390:
388:
385:
375:and, like the
369:Atacama Desert
334:
333:
326:
323:
322:
310:
309:
302:
301:
292:
291:
285:
284:
283:
282:
279:
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252:
247:
242:
237:
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227:
222:
217:
213:
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207:
206:
184:
180:
179:
169:
165:
164:
156:
152:
151:
119:
113:
112:
106:
102:
101:
88:
82:
81:
79:
78:
64:
62:
58:
57:
49:
45:
44:
29:
26:
24:
14:
13:
10:
9:
6:
4:
3:
2:
3713:
3702:
3699:
3697:
3694:
3692:
3689:
3687:
3684:
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3661:
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3649:
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3627:
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3603:
3599:
3586:
3585:
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3573:
3569:
3565:
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3557:
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3516:
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3437:
3434:
3429:
3426:
3424:
3421:
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3213:Cerro Tololo
3193:Cerro Pachón
3018:
3006:. Retrieved
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2966:16 September
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1791:. 2013-05-02
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1728:
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1456:(left), and
1209:
1189:Beta Carinae
1181:
1165:horticulture
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1026:
1012:station are
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678:843 Nicolaia
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439:(242.1
429:
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343:astronomical
338:
337:
61:Organization
3636:Spaceflight
3457:instruments
3431:(cancelled)
2960:www.eso.org
2936:www.eso.org
2707:www.eso.org
2662:www.eso.org
2635:www.eso.org
2608:www.eso.org
1920:www.eso.org
1690:HIP 13044 b
1153:petroglyphs
609:ESO Schmidt
459:first light
346:observatory
168:Established
142: /
117:Coordinates
30:Observatory
3670:Categories
3518:Miscellany
3405:(national)
3370:Telescopes
3330:Facilities
3008:3 February
2985:Retrieved
2941:2020-08-08
2917:2020-08-08
2837:2020-08-08
2812:2020-08-08
2792:2020-08-08
2712:2020-08-08
2688:2011-04-28
2667:2020-01-23
2640:2019-10-17
2613:2019-10-17
2507:2011-05-02
2498:"La Silla"
2464:2011-04-29
2444:2011-05-04
2419:2011-04-29
2373:2011-10-05
2348:2011-04-29
2313:2010-12-17
2161:2011-04-29
2138:2011-05-02
2067:2011-05-02
2047:2011-05-02
2027:2011-05-26
2007:2011-05-02
1987:2011-05-02
1966:2011-05-02
1946:2011-05-02
1901:2011-04-29
1815:2011-04-29
1795:2019-11-26
1770:2011-05-02
1696:References
1096:photometry
932:TRAPPIST-1
916:exoplanets
866:in France.
832:satellite.
699:supernovas
674:1179 Mally
473:Telescopes
441:sq mi
210:Telescopes
171:1964
130:70°44′15″W
127:29°15′27″S
3532:ESO Hotel
3455:Telescope
3413:(project)
2885:1440-2807
2788:: 277–317
2757:0722-6691
2743:: 21–24.
2581:18 August
2556:18 August
2531:18 August
2286:CiteSeerX
2213:18 August
2188:18 August
2117:18 August
1205:vandalism
1201:camelidae
1173:necklaces
1057:1996–2001
1014:exoplanet
810:in Spain.
767:Gliese 86
627:(German:
469:in 2000.
365:La Serena
3556:Category
3474:ESPRESSO
3397:ESO 3.6m
3281:Category
3218:La Silla
2893:56409559
2782:Chungara
2308:14087115
1618:See also
1177:tembetás
1175:and the
1133:SN 1987A
1077:TRAPPIST
1016:hunters.
998:TRAPPIST
900:TRAPPIST
893:TRAPPIST
886:off-axis
860:fireball
721:centaurs
265:TRAPPIST
220:BlackGEM
155:Altitude
105:Location
3660:Science
3598:Portals
3584:Commons
3499:PIONIER
3469:CORALIE
3423:MPG/ESO
3160:Paranal
3149:NANTEN2
2987:18 June
2865:Bibcode
2745:Bibcode
2398:26 July
2278:Bibcode
2235:. 2015.
1925:1 April
1734:9 March
1458:Mercury
1452:(top),
1450:Jupiter
1424:Gallery
1169:pottery
1010:MASCARA
796:MASCARA
790:MASCARA
755:CORALIE
617:ESO 3.6
605:MPG/ESO
387:History
230:MASCARA
183:Website
111:, Chile
3504:SPHERE
3464:ADONIS
3197:Gemini
2891:
2883:
2755:
2306:
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1878:
1845:
1753:. ESO.
1713:. ESO.
1476:. The
1214:site.
912:comets
902:, the
848:French
798:, the
697:, and
615:, and
575:seeing
567:Alt-Az
502:(left)
341:is an
313:
267:
196:/index
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3624:Stars
3612:Chile
3572:Space
3509:VIMOS
3484:HARPS
3479:GROND
3436:VISTA
3402:EULER
3154:QUIET
3120:CLASS
2889:S2CID
2778:(PDF)
2304:S2CID
1454:Venus
1055:DENIS
938:star.
928:Pluto
844:TAROT
837:TAROT
538:HARPS
350:Chile
327:[
198:.html
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3489:KMOS
3410:NGTS
3382:APEX
3377:ALMA
3207:SOAR
3175:SWGO
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3134:ALMA
3129:APEX
3010:2020
2989:2015
2968:2014
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2753:ISSN
2583:2015
2558:2015
2533:2015
2400:2017
2328:link
2215:2015
2190:2015
2119:2015
1927:2019
1876:ISBN
1843:ISBN
1736:2012
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