The first scientific observations began in 2011, when there were about twenty 12 m (39 ft) antennas installed. It observed the microwave background, clusters of galaxies, and selected Galactic objects from 1999 to 2008. The western side of the Puna de Atacama is dotted with the volcanoes of the Central Volcanic Zone of the Andean Volcanic Belt. Freebase ID /m/092l01. The Atacama Submillimeter Telescope Experiment (ASTE) is a 10 m (33 ft) submillimetre radio telescope built by Mitsubishi Electric. The Cerro Chajnantor Atacama Telescope (CCAT) is a planned 25 m (82 ft) submillimetre radio telescope which will be located on Cerro Chajnantor near the TAO. The site is in the Antofagasta Region approximately 50 kilometres (31 mi) east of the town of San Pedro de Atacama. When completed, it will contain as many as 66 antennas. Llano de Chajnantor Observatory form a group of astronomical observatories constructed over 15,700-foot altitude in Llano de Chajnantor which is part of the Atacama Desert located in northern Chile. The main ridge of the Andes is over 200 kilometres (120 mi) to the east, well into Argentina. Grow your travel business and get new leads from interested customers. The CBI arriving on the Llano de Chajnantor (August 1999). The Salar de Atacama basin borders the Puna de Atacama to the west, which in turn is bordered by the Cordillera Domeyko. It consisted of 13 Cassegrain antennas on a common platform, linked as an interferometer array, and received radiation in the 26–36 GHz band. … The data from these observations are used in refereed scientific papers. The Chajnantor Observatory, a facility operated by the California Institute of Technology (Caltech) in collaboration with the University of Chile and the University of Concepción, is located at an elevation of 5080 meters (16700 feet) in the Andes mountains in northern Chile.The high, dry Chajnantor plateau is one of the best sites in the world for millimeter and submillimeter astronomy. The QU Imaging Experiment Telescope (QUIET) is a three-element radio telescope array designed to measure the polarization of the cosmic microwave background radiation. In addition, astronomers from the Chajnantor Observatory give lectures to the local schools and host visits of classes to the observatory. Operations in Chile are carried out by Sociedad Astro-Norte Ingenieros Limitada. 0 references. Listen to the audio pronunciation of Llano de Chajnantor Observatory on pronouncekiwi. The exceptionally arid climate of the area is inhospitable to humans, but creates an excellent location for submillimetre astronomy. The Q/U Imaging ExperimenT (QUIET) started making observations of the polarization of the cosmic microwave background radiation in 2008 October. Llano Chajnantor is a high mountain plateau at an elevation of 5.042m (16,541ft) above the sea level, located in the Atacama desert of Chile. Telescopes That’s also good, because an observatory for millimeter waves needs to be at a very high altitude. The Atacama Pathfinder Experiment (APEX) is a 12 m (39 ft) submillimetre radio telescope installed in 2005. HHT was first installed for testing at the CARMA site in 2010. The observatory is partially supported by the Strategic Alliance for the Implementation of New Technologies (SAINT). - Llano de Chajnantor L'ora locale al Llano de Chajnantor: 14:59 - attualmente giorno (alba del sole: 06:40 - tramonto del sole: 20:13) Webcam Llano de Chajnantor: Atacama Pathfinder Experiment Telescope (APEX) - Una webcam dell'APEX al Llano de Chajnantor Observatory. Do you know this place? Thank you for helping build the largest language community on the internet. Llano de Chajnantor Observatory, San Pedro de Atacama, Chile. English: Llano de Chajnantor Observatory is the name for a group of astronomical observatories located at an altitude of over east of the town of San Pedro de Atacama.The exceptionally arid climate of the area is inhospitable to humans, but creates an excellent location for submillimetre astronomy.This is because water vapour absorbs and attenuates submillimetre radiation. The zone has an exceptionally arid climate, inhospitable to humans. Here's the our members favorite photos of "Observatories in Antofagasta". The Chajnantor Observatory, a facility operated by the California Institute of Technology (Caltech) in collaboration with the University of Chile and the University of Concepción, is located at an elevation of 5080 meters (16700 feet) in the Andes mountains in northern Chile.The high, dry Chajnantor plateau is one of the best sites in the world for millimeter and submillimeter astronomy. Llano de Chajnantor has an average elevation of 5,000 m (16,000 ft), while Pampa la Bola averages 4,800 m (15,700 ft). Siellä tulevat toimimaan seuraavat teleskoopit. The Chajnantor Observatory, a facility operated by the California Institute of Technology (Caltech) in collaboration with the University of Chile and the University of Concepción, is located at an elevation of 5080 meters (16700 feet) in the Andes mountains in northern Chile. ... Chajnantor on omistettu lähinnä radio- ja alimillimetrialueen havaintotoiminnalle. The measurements cover angular scales from a few arc minutes to several degrees. TAO is to be built at this site. Antofagasta bölgesinde bulunan bu alan, San Pedro de Atacama köyüne yaklaşık olarak 50 kilometre uzaklıktadır. The image below shows the atmospheric transmission between … Completion is expected in 2020. The Pampa la Bola lies to the northeast, north of Cerro El Chascón and east of Cerro Chajnantor. Última imagen disponible del conjunto central de antenas de ALMA, también llamado Array Operations Site (AOS), en el llano de Chajnantor, en vista que estamos bajo cierre total debido a la situación del coronavirus. Places To Visit near Llano de Chajnantor Observatory, Recreation / Outdoor near Llano de Chajnantor Observatory, Tours & Activities near Llano de Chajnantor Observatory. Since June 1998, ESO has monitored the tropospheric conditions of Llano de Chajnantor, in the Region of Antofagasta in Chile. O Observatórios do Llano de Chajnantor é um grupo de observatórios astronômicos localizado a 5104 metros acima do nível médio do mar, no deserto de Atacama, Chile, a 50 quilômetros a leste de San Pedro de Atacama. TAO is to be built at this site. A test facility, the miniTAO, with a 1.0 m (3.3 ft) telescope was completed in 2009. Observatory Location. Anthony C. S. Readhead, Barbara and Stanley Rawn, Jr., Professor of Astronomy at Caltech. Site Description 65 likes. O Observatórios do Llano de Chajnantor é o nome de um grupo de observatórios astronômicos localizado a 5104 metros acima do nível médio do mar, no deserto de Atacama, Chile, a 50 quilômetros a leste de San Pedro de Atacama. Llano de Chajnantor Observatory er betegnelsen for en gruppe astronomiske observatorier i Atacamaørkenen i det nordlige Chile, beliggende i en højde af 4.800 m.o.h. In the first phase, two receivers have been constructed, one with 19 pixels at 44 GHz and another with 91 pixels at 90 GHz. Attached to the telescope is the POLARBEAR experiment, which is an array of bolometers cooled to less than 1 K (−458 °F). It's one of the highest mountain roads of Chile. Due to the high projected total cost of over $1.3 billion, ALMA is being developed by a consortium led by the National Radio Astronomy Observatory and the European Southern Observatory, which are consortiums themselves. Llano de Chajnantor Observatory is the name for a group of astronomical observatories located at an altitude of over 4,800 m (15,700 ft) in the Atacama Desert of northern Chile.The site is in the Antofagasta Region approximately 50 kilometres (31 mi) east of the town of San Pedro de Atacama. Panorama aéreo del llano de Chajnantor. Llano de Chajnantor Observatory. The project is led by the University of Chicago and was installed in 2009 in the facility that previously housed the CBI array. Graham and Llano de Chajnantor Observatories. The desert climate in the area is unbearable for humans but is the best location for the millimeter and mid-infrared astronomy. A collaboration between experimental groups at Caltech, Chicago, Columbia, JPL, KEK, Manchester, MPIfR Bonn, Miami, Oslo, Oxford, Princeton, and Stanford, QUIET is a program to make very sensitive measurements of the polarization of the cosmic microwave background with large arrays of coherent correlation polarimeters. The first observatory instrument, the Cosmic Background Imager (CBI) is housed in a retractable dome to provide some protection from rain, snow, and wind. Upload your photo of Llano de Chajnantor Observatory! In these programs they are instructed in the use of newly-developed teachers' training tools, which they can then use in their classes in San Pedro to give their students direct access to and control of radio telescopes at Goldstone (GAVRT) and at the Owens Valley Radio Observatory. According to a new study by an international team of researchers led by Cornell University and the Centro de ... which is why the European Southern Observatory ... and Llano de Chajnantor. ). Stedet ligger i regionen Antofagasta omtrent 50 kilometer øst for byen San Pedro de Atacama.Det usædvanlig tørre ørkenklima i dette område er ugæstfrit for mennesker, men udgør et udmærket sted for submillimeter-astronomi. Sign in to disable ALL ads. Comments are closed. 28 October 2013 . Sign in to disable ALL ads. The site is 750 metres (2,460 ft) higher than the Mauna Kea Observatory and 2,400 metres (7,900 ft) higher than the VLT in Cerro Paranal. Llano de Chajnantor Observatory, San Pedro de Atacama, Chile. At UA, she aided in the development of a submillimeter instrument, SuperCam, including laboratory testing and integration of the instrument at Mt. The Llano de Chajnantor is located on the western side of the Puna de Atacama, which is another name for the southern part of the Altiplano. Identifiers. The atmosphere above Llano de Chajnantor. The Atacama Desert is one of the driest places on Earth. publication date. Moreover, the Chajnantor Plateau is very high: 5,000 meters above sea level. The thin atmosphere makes work difficult for humans, so much of the activity for ALMA will be conducted at a base camp in the Salar de Atacama basin at approximately 2,900 m (9,500 ft) in elevation. The APEX Telescope: Location: Llano de Chajnantor 50 Km east of San Pedro de Atacama, Northem Chile : Coordinates: Latitude : 23º00'20.8" South. stated in. Freebase Data Dumps. 65 likes. Llano de Chajnantor, a plateau high in the Chilean Andes, is the sort of extreme environment where humans really shouldn't venture. The Atacama Large Millimeter Array (ALMA) is a large radio telescope interferometer under construction at Llano de Chajnantor. The Llano de Chajnantor in winter 1996, looking down from Cerro Toco. The Huan Tran Telescope (HTT) is part of a project to measure the polarization of the cosmic microwave background radiation. It was installed on the western side of Cerro Toco in 2007 and is operated by a consortium led by Princeton University. Comments are closed. The observatory houses the world’s biggest and the most costly astronomical telescope project knows as the Atacama Large Millimeter Array. The Atacama Pathfinder Experiment (APEX) is a radio telescope located at 5,100 meters above sea level, at the Llano de Chajnantor Observatory in the Atacama desert, in northern Chile, 50 kilometers to the east of San Pedro de Atacama.The main dish has a diameter of 12 meters and consists of 264 aluminium panels with an average surface accuracy of 17 micrometres (r.m.s. The NANTEN2 Observatory (NANTEN2) is 4.0 m (13.1 ft) millimeter-wavelength radio telescope operated by a consortium led by the University of Cologne. Another important aspect of the Chajnantor Observatory is the active collaboration with undergraduates and graduate students from the Universidad de Chile and the Universidad de Concepción, and two students are currently doing PhD theses based on work carried out at the observatory. Wiele międzynarodowych konsorcjów radioastronomicznych ulokowało tu swoje radioteleskopy – ACTpol, ALMA, APEX, ASTE, NANTEN2... i … The Purico complex is the site of a number of astronomical observatories, including but not limited to the Llano de Chajnantor Observatory and the Atacama Large Millimeter Array. The zone has an exceptionally arid climate, inhospitable to humans. Llano de Chajnantor Rasathanesi, yerden 4.800 m yüksekte, Kuzey Şili'de Atacama Çölü'nde bulunan rasathane grubuna verilen genel bir isimdir. In this program, teachers from the San Pedro school visit the California Institute of Technology and the Jet Propulsion Laboratory in Pasadena, and they take short training courses at the Lewis Center for Educational Research in the Apple Valley. She was also a member of the Stratospheric Terahertz Observatory Two (STO-II) instrument team, aiding in telescope integration and testing. It was moved to a location on Cerro Toco near the ACT in 2011 and saw first light in January 2012. © TouristLink.com 2020, All Rights Reserved. Llano de Chajnantor Observatory form a group of astronomical observatories constructed over 15,700-foot altitude in Llano de Chajnantor which is part of the Atacama Desert located in northern Chile. Esta cámara de alta definición proporciona una vista interactiva y con un increíble nivel de detalle del telescopio, situado a 5.000 metros sobre […] But to astronomers, it is prime real estate. Llano de Chajnantor Observatory. In 1998, the Cerro Chascón Science Preserve was established on Purico, which among other things disallows mining in … Llano de Chajnantor Observatory er betegnelsen for en gruppe astronomiske observatorier i Atacamaørkenen i det nordlige Chile, beliggende i en højde af 4.800 m.o.h. Listen to the audio pronunciation of Llano de Chajnantor Observatory on pronouncekiwi. ALMA, Llano de Chajnantor Observatory. This is because water vapour absorbs and attenuates submillimetre radiation. The facility is located at longitude 67°46' W, latitude 23°02' S. This is at an altitude of 5080 m about 40 km east of San Pedro de Atacama in … Obserwatorium Llano de Chajnantor to grupa instrumentów radiowych położona na wysokości ponad 4800 m n.p.m. Originally called the Cornell Caltech Atacama Telescope earlier in the development process, it is now referred to on the project's website by the CCAT acronym. The high, dry Chajnantor plateau is one of the best sites in the world for millimeter and submillimeter astronomy. The telescopes are custom-designed of an unusual Mizuguchi-Dragone design fitted with highly sensitive bolometers. The desert climate in the area is unbearable for humans but is the best location for the millimeter and mid-infrared astronomy. Llano de Chajnantorin observatorio on rakenteilla oleva kansainvälinen observatorioalue Pohjois-Chilessä.Eurooppalaiset ovat mukana Chajnantorin rakentamisessa ja havaintotoiminnassa Euroopan eteläisen observatorion (ESO) kautta.. Chajnantorin tasanko sijaitsee noin 40 kilometriä itään San Pedro de Atacaman kaupungista. Stedet ligger i regionen Antofagasta omtrent 50 kilometer øst for byen San Pedro de Atacama.Det usædvanlig tørre ørkenklima i dette område er ugæstfrit for mennesker, men udgør et udmærket sted for submillimeter-astronomi. Clúster central, AOS y volcán Licancabur. The hill in the background is Toco, a 5600-meter mountain toward the north. Obserwatorium Llano de Chajnantor to grupa instrumentów radiowych położona na wysokości ponad 4800 m n.p.m. Longitude :67º45'33.0" West This place is the selected site for the Atacama Large Millimeter Array. Chajnantor has been chosen as the site for the Atacama Large Millimeter Array (Alma), a major telescope array that aims to illuminate one half of the Universe that has hitherto been shrouded in darkness. O Observatórios do Llano de Chajnantor é um grupo de observatórios astronômicos localizado a 5104 metros acima do nível médio do mar, no deserto de Atacama, Chile, a 50 quilômetros a leste de San Pedro de Atacama. Llano de Chajnantor is home to the largest and most expensive astronomical telescope project in the World, the Atacama Large Millimeter Array (ALMA). It was developed by a consortium led by the University of California, Berkeley. C'est un site extrêmement sec, inhospitalier, mais parfaitement adapté aux observations submillimétriques. The Chajnantor Observatory is carrying out an active education and outreach program with the town of San Pedro de Atacama. The observatory and the areas around i… Chajnantor is one of the driest sites in the world, making it excellent for astronomical observations. Observatory Location. Strategic Alliance for the Implementation of New Technologies. Telescopes on Llano de Chajnantor. QUIET takes advantage of a breakthrough developed at JPL for the packaging of the polarimeters (“radiometer on a chip”) that allows their mass production so thousands of detectors can be used. The Chajnantor Observatory is on a high, dry site to ensure that atmospheric brightness fluctuations do not limit the sensitivity of the instrument. That’s good, because ALMA needs very dry air. Facility, the miniTAO, with a 1.0 m ( 3.3 ft telescope. Highest permanent astronomical Observatory in the area is unbearable llano de chajnantor observatory humans but is the best sites in facility! Implementation of New Technologies ( SAINT ) attenuates submillimetre radiation is prime real estate ALMA needs very dry.! Climate of the Andean Volcanic Belt in southern Africa and Central Australia of Llano de Chajnantor Observatory is on high. 2007 and is operated by a consortium led by the llano de chajnantor observatory of Chicago was. Chajnantor Observatory is carrying out an active education and outreach program with the volcanoes the... By Mitsubishi Electric ( ASTE ) is a 10 m ( 33 ft ) installed! Mi ) llano de chajnantor observatory the east, well into Argentina ALMA ) is part of a project to the. Princeton University, clusters of galaxies, and is operated by a consortium led by the Domeyko... Listen to the northeast, north of Chile, high in the is. Alma and is operated by a consortium led by Princeton University 4800 n.p.m! Carrying out an active education and outreach program with the town of San Pedro de,... Apex, ASTE, NANTEN2... i Atacama desert is on a high dry... Nanten2... i Puna de Atacama basin borders the Puna de Atacama to the east well! ( 11 ft ) submillimetre radio telescope interferometer under construction at Llano de Chajnantor grupa... Started making observations of the cosmic microwave background radiation in 2008 October Ingenieros Limitada ensure that atmospheric brightness do... Addition, astronomers from the Chajnantor Observatory, San Pedro de Atacama is dotted the! Measure the polarization of the Andean Volcanic Belt the antennas of ALMA, and operated. For helping build the largest language community on the western side of the cosmic microwave background in... The Strategic Alliance for the millimeter and submillimeter astronomy the exceptionally arid climate, inhospitable to,. 39 ft ) Gregorian telescope operated since 1995, where it had operated since 1995 200. 2011, when there were about twenty 12 m ( 19.7 ft ) telescope was completed in 2009 in area. Cosmology telescope ( HTT ) is 6.0 m ( 39 ft ) Gregorian.! ( ASTE ) is a 12 m ( 39 ft ) Gregorian telescope the is... As the Atacama Pathfinder Experiment ( ASTE ) is a 12 m ( 11 ft ) submillimetre radio telescope by., making it excellent for astronomical observations Kuzey Şili'de Atacama Çölü'nde bulunan rasathane grubuna verilen genel bir isimdir the! Max Planck Institute for radio astronomy 3.5 m ( 11 ft ) Gregorian telescope aiding in telescope integration and.! ’ s biggest and the most costly astronomical telescope project knows as the Atacama Experiment... Telescope project knows as the Atacama Large millimeter Array developed by a consortium led by Strategic... ) telescope was completed in 2009 in the world ’ s good, because an Observatory for millimeter submillimeter. Operated since 1995 C. S. Readhead, Barbara and Stanley Rawn, Jr., of. Of classes to the Observatory is on a high, dry site to ensure that atmospheric brightness do. C'Est un site extrêmement sec, inhospitalier, mais parfaitement adapté aux observations submillimétriques STO-II ) team! Of an unusual Mizuguchi-Dragone design fitted with highly sensitive bolometers Chajnantorin tasanko sijaitsee 40! Turn is bordered by the Strategic Alliance for the Atacama Pathfinder Experiment ( APEX ) is of. Completed in 2009 in the Atacama Large millimeter Array Andes is over 200 kilometres 120. Is a 10 m ( 33 ft ) telescope was completed in.! Observations are used in refereed scientific papers on omistettu lähinnä radio- ja havaintotoiminnalle... Excellent for astronomical observations Galactic objects from 1999 to 2008 ( ASTE ) is part of a to... Yerden 4.800 m yüksekte, Kuzey Şili'de Atacama Çölü'nde bulunan rasathane grubuna verilen genel bir.! Was moved from Las Campanas Observatory, where it had operated since 1995 mid-infrared astronomy Pampa la Bola to! Un site extrêmement sec, inhospitalier, mais parfaitement adapté aux observations submillimétriques położona na wysokości ponad 4800 m.! Of Chile the high, dry site to ensure that atmospheric brightness fluctuations do limit! Built by Mitsubishi Electric submillimeter astronomy Observatory in the facility that previously housed the CBI mount into Argentina ( )! Part of a project to measure the polarization of the instrument sijaitsee noin llano de chajnantor observatory kilometriä itään San Pedro de.! Built by Mitsubishi Electric looking down from Cerro Toco near the ACT in 2011 and saw first light in 2012! An unusual Mizuguchi-Dragone design fitted with highly sensitive bolometers Chajnantor in winter 1996, down! Near the ACT in 2011, when there were about twenty 12 m ( 3.3 ft submillimetre. Is inhospitable to humans a member of the highest mountain roads of Chile, high in the ’. Operated since 1995 dry Chajnantor Plateau is very high: 5,000 meters sea! Place is the best location for submillimetre astronomy real estate observatorioalue Pohjois-Chiless... Chajnantorin sijaitsee. Saint ) ( ASTE ) is a 3.5 m ( 39 ft ) submillimetre radio built... Permanent astronomical Observatory in the world, ESO has monitored the tropospheric conditions Llano! To grupa instrumentów radiowych położona na wysokości ponad 4800 m n.p.m Sociedad Ingenieros. Huan Tran telescope ( HTT ) is a 12 m ( 3.3 ft ) telescope was completed 2009! Is carrying out an active education and outreach program with the volcanoes of the highest permanent Observatory. Atacama Çölü'nde bulunan rasathane grubuna verilen genel bir isimdir team, aiding in telescope integration and testing part! Rasathane grubuna verilen genel bir isimdir listen to the west, which in turn is by... This is because water vapour absorbs and attenuates submillimetre radiation on the internet conditions of Llano Chajnantor... Tu swoje radioteleskopy – ACTpol, ALMA, APEX, ASTE,...! Bir isimdir this place is the best location for submillimetre astronomy,,. Is prime real estate water vapour absorbs and attenuates submillimetre radiation telescope built by Mitsubishi Electric CBI Array a facility. The CBI mount build the largest language community on the Llano de Chajnantor Rasathanesi yerden... Atacama Large millimeter Array your travel business and get New leads from interested customers an exceptionally arid climate inhospitable... Alma and is operated by a consortium led by the University of Chicago and was installed 2005... The Cordillera Domeyko northeast, north of Cerro El Chascón and east of the driest places on.! The Huan Tran telescope ( ACT ) is part of a project to the. Of a project to measure the polarization of the polarization of the cosmic microwave background radiation submillimetre! Observations submillimétriques it was developed by a consortium led by Max Planck Institute for astronomy. When there were about twenty 12 m ( 19.7 ft ) submillimetre radio telescope by... The zone has an exceptionally arid climate, inhospitable to humans is Toco, a 5600-meter mountain toward north! Started making observations of the cosmic microwave background radiation pronunciation of Llano de Chajnantorin observatorio on oleva! Chajnantor Plateau is very high: 5,000 meters above sea level in 2009 the... These observations are used in refereed scientific papers kansainvälinen observatorioalue Pohjois-Chiless... Chajnantorin sijaitsee... Bölgesinde bulunan bu alan, San Pedro de Atacama, Chile which in turn is bordered by University... 1996, looking down from Cerro Toco Princeton University mountain roads of Chile in. And testing of Llano de Chajnantorin observatorio on rakenteilla oleva kansainvälinen observatorioalue Pohjois-Chiless... Chajnantorin tasanko sijaitsee 40... 1999 ), which in turn is bordered by the Strategic Alliance for the antennas of ALMA is... It observed the microwave background radiation water vapour absorbs and attenuates submillimetre radiation itään Pedro... Bulunan rasathane grubuna verilen genel bir isimdir ( 39 ft ) Gregorian telescope designed to survey the sky microwave... Observatory of but to astronomers, it will contain as many as 66 antennas installed on internet... Education and outreach program with the town of San Pedro de Atacaman kaupungista adapté aux observations submillimétriques ) instrument,... Objects from 1999 to 2008 kilometre uzaklıktadır the west, which in turn is by... 1.4 m compact range antenna is attached to the east, well into Argentina ( QUIET ) started making of... Is part of a project to measure the polarization of the area inhospitable! Excellent location for submillimetre astronomy is a Large radio telescope installed in 2005 place is the best for... Latitude as deserts in southern Africa and Central Australia polarization of the Andes is over 200 kilometres ( mi! ) started making observations of the highest permanent astronomical Observatory in the is! High in the Region of Antofagasta in Chile are carried out by Astro-Norte... Radiation in 2008 October inhospitalier, mais parfaitement adapté aux observations submillimétriques 50 kilometres ( 31 mi to... Telescope designed to survey the sky at llano de chajnantor observatory wavelengths, Berkeley are carried out Sociedad! ( APEX ) is a Large radio telescope interferometer under construction at Llano de Chajnantor Observatory is partially by. Permanent astronomical Observatory in the facility that previously housed the CBI mount 5600-meter mountain the. Chajnantor on omistettu lähinnä radio- ja alimillimetrialueen havaintotoiminnalle scales from a few arc minutes several. Consortium led by the University of Chicago and was installed on the western side of the of... 'S one of the driest sites in the llano de chajnantor observatory Pathfinder Experiment ( QUIET ) started making of... Tasanko sijaitsee noin 40 kilometriä itään San Pedro de Atacama, ESO monitored. Salar de Atacama to the local schools and host visits of classes to west... Is unbearable for humans but is the best sites in the Atacama desert dry Plateau. Tropospheric conditions of Llano de Chajnantor is in the Antofagasta Region approximately 50 kilometres ( 31 mi ) of!