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450:. 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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439:. 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.
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424:, 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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630:(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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566:. 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
529:, 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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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.
562:. 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
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432:) 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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446:, started operations. It was subsequently to have a 1.4m CAT (Coudé Auxiliary Telescope) attached. In 1984, the 2.2m telescope began operations, while in March 1989, the 3.5 m New Technology Telescope (NTT) saw
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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.
1194:. 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.
634:; 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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345:(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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819:(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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1911:"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.
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684:'s Department of Astronomy, and has since been used for astronomical surveys focused on the discovery of new
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1198:, into their villages. There are signs of illicit excavations at La Silla since the 1990s and in 2017 some
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2383:"Eyes Wide Open for MASCARA in Chile – Exoplanet hunter sees first light at ESO's La Silla Observatory"
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2016:
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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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2848:"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.
1122:, outside the Solar System. Several telescopes at La Silla played a crucial role in linking
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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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1996:
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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).
925:. 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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2261:"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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2337:"Extrasolar Planet in Double Star System Discovered from La Silla"
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558:, 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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1150:, can be found all around La Silla. These are attributed to the
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1720:"A Window to the Past — La Silla's transformation through time"
1118:, which contains what may be the first known rocky planet in a
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Yales's 160-megapixel QUEST camera consists of a mosaic of 112
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Hsieh, Henry H.; Jewitt, David C.;Fernández, Yanga R. (2004).
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2728:"Hundreds of rock engravings around the La Silla Observatory"
2128:"Telescopes and Instrumentation, MPG/ESO 2.2-metre Telescope"
1997:"Telescopes and Instrumentation, the ESO 3.6-metre Telescope"
1976:"Telescopes and Instrumentation, the ESO 3.6-metre Telescope"
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2677:"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:
726:, 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
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2822:"La cultura material del complejo cultural El Molle"
1030:
Coudé Auxiliary 1.47-m Telescope (CAT), adjacent to
913:, and was one of the few telescopes that observed a
744:is a 1.2-metre telescope built and operated by the
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1061:Marseille 0.4-metre Telescope (National telescope)
837:The Quick-action telescope for transient objects,
372:—it has some of the darkest night skies on Earth.
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2475:"Former 'tenth planet' may be smaller than Pluto"
2358:"Southern Sky extrasolar Planet search Programme"
1891:"La Silla Observatory, A Dictionary of Astronomy"
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1823:
1027:Bochum 0.61-metre Telescope (National telescope)
341:with three telescopes built and operated by the
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2567:"DEep Near-Infrared Survey of the southern sky"
1036:Danish 0.5-metre Telescope (National telescope)
3360:Space Telescope European Coordinating Facility
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1903:
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1039:Dutch 0.9-metre Telescope (National telescope)
349:and was the first in Chile to be used by ESO.
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2768:Niemeyer, Hans; Ballereau, Dominique (1996).
2726:Ballereau, D.; Niemeyer, H. (December 1990).
554:The ESO New Technology Telescope (NTT) is an
2852:Journal of Astronomical History and Heritage
2653:"Swiss 0.4-metre telescope (decommissioned)"
2615:
2517:"Coudé Auxiliary Telescope (decommissioned)"
2472:
2321:: CS1 maint: multiple names: authors list (
2057:"The ESO New Technology Telescope, Overview"
1154:. The El Molle culture have their origin as
1070:Swiss T70 telescope (1980–1998, now home of
1048:ESO 1-metre telescope (1966–1994), used for
442:By 1976, the largest telescope planned, the
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3699:Buildings and structures in Coquimbo Region
1455:(right) nearly align themselves in the sky.
1162:and village life. They are known for their
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1624:List of highest astronomical observatories
1158:that developed a new way of life based on
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577:
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258:
190:
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148:
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61:
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2977:"Cloud City in a Galaxy Far, Far Away..."
2802:"History – El Molle - Chile Precolombino"
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1146:Hundreds of rock engravings, also called
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865:
2998:"Venus, Jupiter and the Art of Patience"
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1599:Panorama of La Silla at sunset with the
1137:
1089:was a 70 cm aperture telescope for
921:, revealing that it may be smaller than
655:The ESO 1-metre Schmidt telescope, is a
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587:
542:
513:
443:
244:Swiss 1.2-metre Leonhard Euler Telescope
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1675:Cerro Tololo Inter-American Observatory
1668:Cerro Tololo Inter-American Observatory
3709:Minor-planet discovering observatories
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2599:"Swiss T70 telescope (decommissioned)"
2466:
2224:"The LaSilla-Quest Variability Survey"
1772:
991:and its instruments in daylight; (#2)
764:. Other observing programmes focus on
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2763:
2761:
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2719:
2717:
1603:in the center and the decommissioned
1503:Telescope Domes clustered at La Silla
3587:
2903:"Petroglyphs - La Silla Observatory"
2770:"Los petroglifos del cerro La Silla"
2087:
1042:Grand Prism Objectif (GPO) Telescope
1017:
756:, primarily in the search for large
3689:Astronomical observatories in Chile
3084:Astronomical observatories in Chile
3019:"Shooting Star over ESO Telescopes"
2571:Strasbourg astronomical Data Center
2098:"ESO/MPG 2.2m telescope (La Silla)"
1539:La Silla Observatory during daytime
1212:
1065:Swedish-ESO Submillimetre Telescope
708:Palomar Distant Solar System Survey
641:
239:Swedish-ESO Submillimetre Telescope
13:
3036:ESO - La Silla Paranal Observatory
2758:
2714:
2454:"The Danish Telescope at La Silla"
2171:"LaSilla-Quest Variability Survey"
2102:Max Planck Institute for Astronomy
2037:"The ESO New Technology Telescope"
1619:List of astronomical observatories
803:Roque de los Muchachos Observatory
734:
628:Max Planck Institute for Astronomy
493:and with annotated telescope names
14:
3720:
3261:National Astronomical Observatory
3029:
2872:10.3724/SP.J.1440-2807.2012.02.06
2242:"Strange Comet Discovered at ESO"
2151:"National and Project Telescopes"
901:, is a joint venture between the
16:Astronomical observatory in Chile
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3649:
3637:
3625:
3613:
3586:
3570:
3559:
3558:
3368:
3284:
3283:
3046:La Silla virtual tour and webcam
2473:Kelly Beatty (8 November 2010).
1978:(Table on the right of the page)
1936:"Telescopes and Instrumentation"
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1565:
1544:
1532:
1520:
1508:
1496:
1484:
1475:is to the right. (Seen from the
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1437:
1425:
1396:
1376:
1356:
1330:
1310:
1290:
1263:
1242:
1221:
977:
968:
959:
950:
941:
809:
718:. In 1996, the telescope imaged
479:
470:
402:
384:
303:
292:Location of La Silla Observatory
282:
275:
3350:Llano de Chajnantor Observatory
3011:
2990:
2969:
2957:. European Southern Observatory
2943:
2919:
2894:
2839:
2814:
2794:
2690:
2669:
2559:
2534:
2509:
2485:
2446:
2421:
2401:
2350:
2329:
2234:
2216:
2199:"ESO 1-metre Schmidt telescope"
2191:
2163:
2120:
2069:
2049:
2029:
2009:
1989:
1968:
1948:
1928:
1861:Europe's Quest for the Universe
1828:Europe's Quest for the Universe
1680:Llano de Chajnantor Observatory
1632:Llano de Chajnantor Observatory
1134:Signs of a pre-Hispanic culture
772:, gamma-ray bursts, monitoring
249:TAROT-South robotic observatory
1956:"La Silla Telescopes Overview"
1883:
1850:
1817:
1797:
1752:
1737:
1697:
1637:Atacama Large Millimeter Array
1628:Other observatories in Chile:
1515:La Silla Observatory at sunset
1:
3704:European Southern Observatory
3331:European Southern Observatory
2951:"Morning Light Over La Silla"
2387:European Southern Observatory
1780:"About La Silla: Its History"
1690:
987:From left to right: (#1) The
825:Swift Gamma-Ray Burst Mission
489:La Silla Observatory in 2003
461:
343:European Southern Observatory
147:2,400 m (7,900 ft)
57:European Southern Observatory
3684:1964 establishments in Chile
3534:Astronomy & Astrophysics
3253:Santiago Metropolitan Region
2077:"The MPG/ESO 2.2m Telescope"
1744:Adriaan Blaauw (1991). "3".
1491:Morning Light Over La Silla.
1166:and body ornaments, such as
1080:(1975–1980, replaced by T70)
748:in Switzerland. It uses the
412:inaugurates La Silla in 1969
7:
2626:"Swiss T70 telescope, 1982"
1656:Cerro Armazones Observatory
1612:
1116:Gliese 581 planetary system
1003:(background); and (#5) the
887:
659:designed to provide a wide
10:
3725:
1418:
859:Haute-Provence Observatory
784:
608:telescopes (left to right)
581:
536:
507:
444:§ ESO 3.6 m Telescope
375:
356:, on the outskirts of the
3553:
3525:
3462:
3377:
3366:
3337:
3279:
3251:
3208:
3178:
3090:
1857:Lodewijk Woltjer (2006).
1824:Lodewijk Woltjer (2006).
1661:Extremely Large Telescope
1099:Swiss 0.4-metre telescope
1078:Swiss 0.4-metre telescope
989:Rapid Eye Mount telescope
873:Danish National Telescope
817:Rapid Eye Mount telescope
795:Multi-site all-sky camera
722:with a previously unseen
314:
301:
270:
234:Rapid Eye Mount telescope
205:ESO 1-m Schmidt telescope
198:
171:
156:
143:
104:
93:
73:
49:
36:
27:
3198:Giant Magellan Telescope
2927:"Archaeology in Atacama"
2907:Lisa Germany Photography
2265:The Astronomical Journal
2178:–Department of Astronomy
2017:"The ESO 3.6m Telescope"
1865:. EDP Sciences. p.
1832:. EDP Sciences. p.
1055:ESO 1.52-metre telescope
831:
539:New Technology Telescope
533:New Technology Telescope
309:Related media on Commons
229:New Technology Telescope
2901:lgermany (2017-03-26).
2542:"ESO 1-metre telescope"
2339:. ESO. 24 November 1998
1724:ESO Picture of the Week
1704:Adriaan Blaauw (1991).
1605:Swedish radio telescope
1058:Marly 1-metre Telescope
712:trans-Neptunian objects
624:Max Planck Gesellschaft
578:MPG/ESO 2.2 m Telescope
2698:"ESO - RockEngravings"
1143:
1109:Scientific discoveries
866:Danish 1.54m Telescope
846:
774:active galactic nuclei
636:Calar Alto Observatory
623:
609:
551:
521:
37:Alternative names
1141:
650:ESO Schmidt telescope
591:
546:
517:
452:Marseille Observatory
437:Eduardo Frei Montalva
410:Eduardo Frei Montalva
393:ESO Schmidt telescope
75:Observatory code
3399:(under construction)
3345:La Silla Observatory
3041:ESO - About La Silla
2679:. ESO. 25 April 2007
2248:. 16 September 1996.
2108:on 11 September 2015
1649:Very Large Telescope
917:of the dwarf planet
893:The Belgian robotic
778:gravitational lenses
370:Very Large Telescope
328:La Silla Observatory
23:La Silla Observatory
3355:Paranal Observatory
3193:Magellan Telescopes
3120:Llano de Chajnantor
2864:2012JAHH...15..137B
2744:1990Msngr..62...21B
2277:2004AJ....127.2997H
1746:ESO's Early History
1706:ESO's Early History
1644:Paranal Observatory
1601:ESO 3.6 m Telescope
1560:Observatory trailer
1087:Swiss T70 telescope
915:stellar occultation
903:University of Liège
686:Kuiper Belt Objects
665:photographic plates
638:in southern Spain.
519:ESO 3.6 m Telescope
504:ESO 3.6 m Telescope
366:Paranal Observatory
347:Southern Hemisphere
214:ESO 3.6 m Telescope
128:29.2575°S 70.7375°W
124: /
24:
3092:Antofagasta Region
1467:Ramps lead to the
1144:
1103:Geneva Observatory
758:extrasolar planets
746:Geneva Observatory
614:Max Planck Society
610:
552:
522:
456:Geneva Observatory
133:-29.2575; -70.7375
22:
3601:
3600:
3401:
3297:
3296:
2409:"Rapid Eye Mount"
1607:in the foreground
1555:
1477:ESO 3.6 Telescope
1406:
1386:
1366:
1340:
1320:
1300:
1274:
1253:
1232:
1032:ESO 3.6 Telescope
1018:Former telescopes
1001:ESO 3.6 Telescope
799:Leiden University
720:7968 Elst–Pizarro
688:(KBOs), periodic
657:Schmidt telescope
584:MPG/ESO telescope
510:ESO 3.6 Telescope
426:square kilometres
325:
324:
224:MPG/ESO telescope
3716:
3666:
3665:
3654:
3653:
3652:
3642:
3641:
3640:
3630:
3629:
3618:
3617:
3616:
3609:
3590:
3589:
3576:Portal:Astronomy
3574:
3562:
3561:
3440:
3422:
3414:
3397:
3372:
3324:
3317:
3310:
3301:
3300:
3287:
3286:
3077:
3070:
3063:
3054:
3053:
3023:
3022:
3015:
3009:
3008:
3006:
3004:
2994:
2988:
2987:
2985:
2983:
2973:
2967:
2966:
2964:
2962:
2947:
2941:
2940:
2938:
2937:
2923:
2917:
2916:
2914:
2913:
2898:
2892:
2891:
2843:
2837:
2836:
2834:
2833:
2826:Museo del Limarí
2818:
2812:
2811:
2809:
2808:
2798:
2792:
2791:
2789:
2788:
2774:
2765:
2756:
2755:
2723:
2712:
2711:
2709:
2708:
2694:
2688:
2687:
2685:
2684:
2673:
2667:
2666:
2664:
2663:
2649:
2640:
2639:
2637:
2636:
2622:
2613:
2612:
2610:
2609:
2595:
2582:
2581:
2579:
2577:
2563:
2557:
2556:
2554:
2552:
2538:
2532:
2531:
2529:
2527:
2513:
2507:
2506:
2504:
2503:
2489:
2483:
2482:
2470:
2464:
2463:
2461:
2460:
2450:
2444:
2443:
2441:
2440:
2431:. Archived from
2425:
2419:
2418:
2416:
2415:
2405:
2399:
2398:
2396:
2394:
2379:
2373:
2372:
2370:
2369:
2360:. Archived from
2354:
2348:
2347:
2345:
2344:
2333:
2327:
2326:
2320:
2312:
2310:
2309:
2288:
2271:(5): 2997–3017.
2256:
2250:
2249:
2238:
2232:
2231:
2220:
2214:
2213:
2211:
2209:
2195:
2189:
2188:
2186:
2184:
2167:
2161:
2160:
2158:
2157:
2147:
2138:
2137:
2135:
2134:
2124:
2118:
2117:
2115:
2113:
2104:. Archived from
2094:
2085:
2084:
2073:
2067:
2066:
2064:
2063:
2053:
2047:
2046:
2044:
2043:
2033:
2027:
2026:
2024:
2023:
2013:
2007:
2006:
2004:
2003:
1993:
1987:
1986:
1984:
1983:
1972:
1966:
1965:
1963:
1962:
1952:
1946:
1945:
1943:
1942:
1932:
1926:
1925:
1923:
1921:
1907:
1901:
1900:
1898:
1897:
1887:
1881:
1880:
1864:
1854:
1848:
1847:
1831:
1821:
1815:
1814:
1812:
1811:
1805:"About La Silla"
1801:
1795:
1794:
1792:
1791:
1776:
1770:
1769:
1767:
1766:
1760:"About La Silla"
1756:
1750:
1749:
1741:
1735:
1734:
1732:
1730:
1716:
1710:
1709:
1701:
1596:
1581:
1569:
1557:
1556:
1536:
1524:
1512:
1500:
1488:
1464:
1441:
1429:
1408:
1407:
1388:
1387:
1368:
1367:
1342:
1341:
1322:
1321:
1302:
1301:
1276:
1275:
1255:
1254:
1234:
1233:
1213:Timelapse videos
1202:was discovered.
1156:hunter-gatherers
1152:El Molle culture
1124:gamma-ray bursts
1067:(SEST), 15-metre
981:
972:
963:
954:
945:
931:ultra-cool dwarf
821:altazimuth mount
770:asteroseismology
642:Other telescopes
632:gamma-ray bursts
621:
483:
474:
406:
388:
318:edit on Wikidata
307:
286:
285:
279:
263:
262:
194:
189:
186:
184:
182:
180:
178:
167:
166:
152:
139:
138:
136:
135:
134:
129:
125:
122:
121:
120:
117:
89:
88:
66:
65:
45:
32:
25:
21:
3724:
3723:
3719:
3718:
3717:
3715:
3714:
3713:
3674:
3673:
3672:
3660:
3650:
3648:
3638:
3636:
3624:
3614:
3612:
3604:
3602:
3597:
3549:
3521:
3464:
3458:
3438:
3420:
3412:
3373:
3364:
3333:
3328:
3298:
3293:
3275:
3247:
3210:Coquimbo Region
3204:
3174:
3105:Cerro Armazones
3086:
3081:
3032:
3027:
3026:
3017:
3016:
3012:
3002:
3000:
2996:
2995:
2991:
2981:
2979:
2975:
2974:
2970:
2960:
2958:
2949:
2948:
2944:
2935:
2933:
2925:
2924:
2920:
2911:
2909:
2899:
2895:
2844:
2840:
2831:
2829:
2820:
2819:
2815:
2806:
2804:
2800:
2799:
2795:
2786:
2784:
2772:
2766:
2759:
2724:
2715:
2706:
2704:
2696:
2695:
2691:
2682:
2680:
2675:
2674:
2670:
2661:
2659:
2651:
2650:
2643:
2634:
2632:
2624:
2623:
2616:
2607:
2605:
2597:
2596:
2585:
2575:
2573:
2565:
2564:
2560:
2550:
2548:
2540:
2539:
2535:
2525:
2523:
2515:
2514:
2510:
2501:
2499:
2491:
2490:
2486:
2471:
2467:
2458:
2456:
2452:
2451:
2447:
2438:
2436:
2429:"TAROT website"
2427:
2426:
2422:
2413:
2411:
2407:
2406:
2402:
2392:
2390:
2381:
2380:
2376:
2367:
2365:
2356:
2355:
2351:
2342:
2340:
2335:
2334:
2330:
2314:
2313:
2307:
2305:
2286:10.1.1.362.9950
2257:
2253:
2240:
2239:
2235:
2228:Yale University
2222:
2221:
2217:
2207:
2205:
2197:
2196:
2192:
2182:
2180:
2176:Yale University
2169:
2168:
2164:
2155:
2153:
2149:
2148:
2141:
2132:
2130:
2126:
2125:
2121:
2111:
2109:
2096:
2095:
2088:
2075:
2074:
2070:
2061:
2059:
2055:
2054:
2050:
2041:
2039:
2035:
2034:
2030:
2021:
2019:
2015:
2014:
2010:
2001:
1999:
1995:
1994:
1990:
1981:
1979:
1974:
1973:
1969:
1960:
1958:
1954:
1953:
1949:
1940:
1938:
1934:
1933:
1929:
1919:
1917:
1909:
1908:
1904:
1895:
1893:
1889:
1888:
1884:
1877:
1855:
1851:
1844:
1822:
1818:
1809:
1807:
1803:
1802:
1798:
1789:
1787:
1778:
1777:
1773:
1764:
1762:
1758:
1757:
1753:
1742:
1738:
1728:
1726:
1718:
1717:
1713:
1702:
1698:
1693:
1615:
1608:
1597:
1586:
1582:
1573:
1570:
1561:
1558:
1545:
1540:
1537:
1528:
1525:
1516:
1513:
1504:
1501:
1492:
1489:
1480:
1473:Euler Telescope
1465:
1456:
1442:
1433:
1430:
1421:
1416:
1415:
1414:
1413:
1412:
1409:
1397:
1393:
1392:
1389:
1377:
1373:
1372:
1369:
1357:
1350:
1349:
1348:
1347:
1346:
1343:
1331:
1327:
1326:
1323:
1311:
1307:
1306:
1303:
1291:
1284:
1283:
1282:
1281:
1280:
1277:
1264:
1260:
1259:
1256:
1243:
1239:
1238:
1235:
1222:
1215:
1136:
1111:
1095:Euler Telescope
1083:
1020:
1015:
1014:
1013:
1012:
997:Euler Telescope
984:
983:
982:
974:
973:
965:
964:
956:
955:
947:
946:
890:
871:The 1.54-metre
868:
834:
812:
787:
742:Euler Telescope
737:
735:Euler telescope
728:main-belt comet
652:
644:
617:
586:
580:
572:adaptive optics
541:
535:
512:
506:
497:
496:
495:
494:
486:
485:
484:
476:
475:
464:
417:
416:
415:
414:
413:
407:
398:
397:
396:
389:
378:
362:light pollution
321:
297:
296:
295:
294:
293:
289:
288:
287:
266:
257:
175:
161:
132:
130:
126:
123:
118:
115:
113:
111:
110:
98:Coquimbo Region
83:
69:
60:
40:La Silla 1.52m
20:
17:
12:
11:
5:
3722:
3712:
3711:
3706:
3701:
3696:
3694:Atacama Desert
3691:
3686:
3671:
3670:
3658:
3646:
3634:
3622:
3599:
3598:
3596:
3595:
3583:
3567:
3554:
3551:
3550:
3548:
3547:
3545:Xavier Barcons
3542:
3537:
3529:
3527:
3523:
3522:
3520:
3519:
3514:
3509:
3504:
3499:
3494:
3489:
3484:
3479:
3474:
3468:
3466:
3460:
3459:
3457:
3456:
3451:
3446:
3441:
3433:
3428:
3423:
3415:
3407:
3402:
3392:
3387:
3381:
3379:
3375:
3374:
3367:
3365:
3363:
3362:
3357:
3352:
3347:
3341:
3339:
3335:
3334:
3327:
3326:
3319:
3312:
3304:
3295:
3294:
3292:
3291:
3280:
3277:
3276:
3274:
3273:
3268:
3266:Cerro El Roble
3263:
3257:
3255:
3249:
3248:
3246:
3245:
3240:
3235:
3229:
3224:
3214:
3212:
3206:
3205:
3203:
3202:
3201:
3200:
3195:
3184:
3182:
3180:Atacama Region
3176:
3175:
3173:
3172:
3167:
3162:
3152:
3146:
3141:
3136:
3131:
3126:
3117:
3112:
3102:
3096:
3094:
3088:
3087:
3080:
3079:
3072:
3065:
3057:
3051:
3050:
3049:
3048:
3038:
3031:
3030:External links
3028:
3025:
3024:
3010:
2989:
2968:
2942:
2918:
2893:
2858:(2): 137–145.
2838:
2813:
2793:
2779:(in Spanish).
2757:
2713:
2689:
2668:
2641:
2614:
2583:
2558:
2533:
2508:
2484:
2465:
2445:
2420:
2400:
2389:. 19 July 2017
2374:
2349:
2328:
2295:10.1086/383208
2251:
2233:
2215:
2190:
2162:
2139:
2119:
2086:
2083:. 2 June 2014.
2068:
2048:
2028:
2008:
1988:
1967:
1947:
1927:
1902:
1882:
1875:
1849:
1842:
1816:
1796:
1771:
1751:
1736:
1711:
1695:
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1278:
1262:
1261:
1257:
1241:
1240:
1236:
1220:
1219:
1218:
1217:
1216:
1214:
1211:
1188:Alpha Centauri
1135:
1132:
1120:habitable zone
1110:
1107:
1082:
1081:
1075:
1068:
1062:
1059:
1056:
1053:
1046:
1043:
1040:
1037:
1034:
1028:
1024:
1019:
1016:
986:
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976:
975:
967:
966:
958:
957:
949:
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940:
939:
938:
937:
936:
935:
934:
889:
886:
885:
884:
867:
864:
863:
862:
851:sub-arc second
833:
830:
829:
828:
811:
808:
807:
806:
786:
783:
782:
781:
766:variable stars
736:
733:
732:
731:
698:
697:
690:variable stars
677:
676:
651:
648:
643:
640:
582:Main article:
579:
576:
537:Main article:
534:
531:
508:Main article:
505:
502:
488:
487:
478:
477:
469:
468:
467:
466:
465:
463:
460:
422:Atacama desert
408:
401:
400:
399:
390:
383:
382:
381:
380:
379:
377:
374:
364:and, like the
358:Atacama Desert
323:
322:
315:
312:
311:
299:
298:
291:
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281:
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274:
273:
272:
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268:
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206:
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169:
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158:
154:
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145:
141:
140:
108:
102:
101:
95:
91:
90:
77:
71:
70:
68:
67:
53:
51:
47:
46:
38:
34:
33:
18:
15:
9:
6:
4:
3:
2:
3721:
3710:
3707:
3705:
3702:
3700:
3697:
3695:
3692:
3690:
3687:
3685:
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3218:Cerro Pachón
3188:Las Campanas
3013:
3001:. Retrieved
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2479:Newscientist
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2433:the original
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1799:
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1786:. 2013-05-02
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1754:
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1723:
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1699:
1451:(left), and
1204:
1184:Beta Carinae
1176:
1160:horticulture
1145:
1112:
1084:
1021:
1007:station are
898:
872:
794:
749:
673:843 Nicolaia
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441:
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428:(242.1
418:
351:
332:astronomical
327:
326:
50:Organization
3644:Spaceflight
3465:instruments
3439:(cancelled)
2955:www.eso.org
2931:www.eso.org
2702:www.eso.org
2657:www.eso.org
2630:www.eso.org
2603:www.eso.org
1915:www.eso.org
1685:HIP 13044 b
1148:petroglyphs
598:ESO Schmidt
448:first light
335:observatory
157:Established
131: /
106:Coordinates
19:Observatory
3678:Categories
3526:Miscellany
3413:(national)
3378:Telescopes
3338:Facilities
3003:3 February
2980:Retrieved
2936:2020-08-08
2912:2020-08-08
2832:2020-08-08
2807:2020-08-08
2787:2020-08-08
2707:2020-08-08
2683:2011-04-28
2662:2020-01-23
2635:2019-10-17
2608:2019-10-17
2502:2011-05-02
2493:"La Silla"
2459:2011-04-29
2439:2011-05-04
2414:2011-04-29
2368:2011-10-05
2343:2011-04-29
2308:2010-12-17
2156:2011-04-29
2133:2011-05-02
2062:2011-05-02
2042:2011-05-02
2022:2011-05-26
2002:2011-05-02
1982:2011-05-02
1961:2011-05-02
1941:2011-05-02
1896:2011-04-29
1810:2011-04-29
1790:2019-11-26
1765:2011-05-02
1691:References
1091:photometry
927:TRAPPIST-1
911:exoplanets
861:in France.
827:satellite.
694:supernovas
669:1179 Mally
462:Telescopes
430:sq mi
199:Telescopes
160:1964
119:70°44′15″W
116:29°15′27″S
3540:ESO Hotel
3463:Telescope
3421:(project)
2880:1440-2807
2783:: 277–317
2752:0722-6691
2738:: 21–24.
2576:18 August
2551:18 August
2526:18 August
2281:CiteSeerX
2208:18 August
2183:18 August
2112:18 August
1200:vandalism
1196:camelidae
1168:necklaces
1052:1996–2001
1009:exoplanet
805:in Spain.
762:Gliese 86
619:‹See Tfd›
458:in 2000.
354:La Serena
3564:Category
3482:ESPRESSO
3405:ESO 3.6m
3289:Category
3243:La Silla
2888:56409559
2777:Chungara
2303:14087115
1613:See also
1172:tembetás
1170:and the
1128:SN 1987A
1072:TRAPPIST
1011:hunters.
993:TRAPPIST
895:TRAPPIST
888:TRAPPIST
881:off-axis
855:fireball
716:centaurs
622:German:
254:TRAPPIST
209:BlackGEM
144:Altitude
94:Location
3668:Science
3606:Portals
3592:Commons
3507:PIONIER
3477:CORALIE
3431:MPG/ESO
3155:Paranal
3144:NANTEN2
2982:18 June
2860:Bibcode
2740:Bibcode
2393:26 July
2273:Bibcode
2230:. 2015.
1920:1 April
1729:9 March
1453:Mercury
1447:(top),
1445:Jupiter
1419:Gallery
1164:pottery
1005:MASCARA
791:MASCARA
785:MASCARA
750:CORALIE
606:ESO 3.6
594:MPG/ESO
376:History
219:MASCARA
172:Website
100:, Chile
3512:SPHERE
3472:ADONIS
3222:Gemini
2886:
2878:
2750:
2301:
2283:
1873:
1840:
1748:. ESO.
1708:. ESO.
1471:. The
1209:site.
907:comets
897:, the
843:French
793:, the
692:, and
604:, and
564:seeing
556:Alt-Az
491:(left)
330:is an
302:
256:
185:/index
82:
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3632:Stars
3620:Chile
3580:Space
3517:VIMOS
3492:HARPS
3487:GROND
3444:VISTA
3410:EULER
3149:QUIET
3115:CLASS
2884:S2CID
2773:(PDF)
2299:S2CID
1449:Venus
1050:DENIS
933:star.
923:Pluto
839:TAROT
832:TAROT
527:HARPS
339:Chile
316:[
187:.html
3502:MUSE
3497:KMOS
3418:NGTS
3390:APEX
3385:ALMA
3232:SOAR
3170:SWGO
3134:ASTE
3129:ALMA
3124:APEX
3005:2020
2984:2015
2963:2014
2876:ISSN
2748:ISSN
2578:2015
2553:2015
2528:2015
2395:2017
2323:link
2210:2015
2185:2015
2114:2015
1922:2019
1871:ISBN
1838:ISBN
1731:2012
1585:Sun.
1207:ALMA
1186:and
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999:and
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909:and
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714:and
703:CCDs
682:Yale
671:and
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181:.eso
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3139:HTT
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