Academia Sinica Institute Of Astronomy And Astrophysics
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Academia Sinica Institute Of Astronomy And Astrophysics
The Academia Sinica Institute of Astronomy and Astrophysics (also known as the Institute of Astronomy and Astrophysics, abbreviated as ASIAA or IAA. ) is a research institute of the national academy of Taiwan, Academia Sinica. ASIAA is currently located in the Astronomy and Mathematics Building at the National Taiwan University in Taipei, Taiwan and also has a field office in Hilo, Hawaii. ASIAA was officially established on June 1, 2010, with Paul Ho being the first director. Research The research areas of ASIAA range from the Solar System to star formation to galaxies and cosmology. ASIAA has either led or co-led the construction and operation of several telescopes, including the AMiBA Telescope to study the cosmic microwave background radiation (also known as "Lee Array"), the Taiwanese-American Occultation Survey, the Submillimeter Array and many other research projects. Projects ASIAA is involved in several research projects, including: * Taiwanese–American Occult ...
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Taipei
Taipei (), officially Taipei City, is the capital and a special municipality of the Republic of China (Taiwan). Located in Northern Taiwan, Taipei City is an enclave of the municipality of New Taipei City that sits about southwest of the northern port city of Keelung. Most of the city rests on the Taipei Basin, an ancient lakebed. The basin is bounded by the relatively narrow valleys of the Keelung and Xindian rivers, which join to form the Tamsui River along the city's western border. The city of Taipei is home to an estimated population of 2,646,204 (2019), forming the core part of the Taipei–Keelung metropolitan area, which includes the nearby cities of New Taipei and Keelung with a population of 7,047,559, the 40th most-populous urban area in the world—roughly one-third of Taiwanese citizens live in the metro district. The name "Taipei" can refer either to the whole metropolitan area or just the city itself. Taipei has been the seat of the ROC central govern ...
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Submillimeter Array
The Submillimeter Array (SMA) consists of eight diameter radio telescopes arranged as an interferometer for submillimeter wavelength observations. It is the first purpose-built submillimeter interferometer, constructed after successful interferometry experiments using the pre-existing James Clerk Maxwell Telescope and Caltech Submillimeter Observatory (now decommissioned) as an interferometer. All three of these observatories are located at Mauna Kea Observatory on Mauna Kea, Hawaii, and have been operated together as a ten element interferometer in the 230 and 345  GHz bands (eSMA, for extended Submillimeter Array). The baseline lengths presently in use range from . The radio frequencies accessible to this telescope range from which includes rotational transitions of dozens of molecular species as well as continuum emission from interstellar dust grains. Although the array is capable of operating both day and night, most of the observations take place at nighttime wh ...
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2010 Establishments In Taiwan
1 (one, unit, unity) is a number representing a single or the only entity. 1 is also a numerical digit and represents a single unit of counting or measurement. For example, a line segment of ''unit length'' is a line segment of length 1. In conventions of sign where zero is considered neither positive nor negative, 1 is the first and smallest positive integer. It is also sometimes considered the first of the infinite sequence of natural numbers, followed by  2, although by other definitions 1 is the second natural number, following  0. The fundamental mathematical property of 1 is to be a multiplicative identity, meaning that any number multiplied by 1 equals the same number. Most if not all properties of 1 can be deduced from this. In advanced mathematics, a multiplicative identity is often denoted 1, even if it is not a number. 1 is by convention not considered a prime number; this was not universally accepted until the mid-20th century. Additionally, 1 is the s ...
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Sun Kwok
Sun Kwok (, born September 15, 1949) is a Hong Kong astronomer best known for his work on physics and chemistry of the late stages of stellar evolution. In 1978, he proposed a new theory on the origin of planetary nebulae. which has transformed our understanding of the death of Sun-like stars. He is a pioneer on the study of stellar synthesis of organic compounds, which may have implications on the origin of life on Earth. Background Born in Hong Kong, Sun Kwok graduated from Pui Ching Middle School, the same school attended by Daniel Chee Tsui, Nobel Prize Winner in Physics and Shing-Tung Yau, Fields Medal Winner. * Chair Professor of Space Science and Director of Laboratory for Space Research, University of Hong Kong The University of Hong Kong (HKU) (Chinese: 香港大學) is a public research university in Hong Kong. Founded in 1887 as the Hong Kong College of Medicine for Chinese, it is the oldest tertiary institution in Hong Kong. HKU was also the fi ... (2016-201 ...
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Typhoon Lee
Typhoon Lee (; born 1948) is an astrophysicist and geochemist at Academia Sinica, Taiwan, where he specializes in isotope geochemistry and nuclear astrophysics . Lee received his Ph.D. in astronomy at the University of Texas in 1977. His honors include the Robert J. Trumpler Award in 1978 from the Astronomical Society of the Pacific, and Outstanding Researcher Awards from the National Science Council The National Science and Technology Council (NSTC; ) is a statutory agency of Executive Yuan of the Republic of China (Taiwan) for the promotion and funding of academic research, development of science and technology and science parks. NSTC is ... in 1985-87 and 1988–90. A selection of his publications includes: *''X-wind, Refractory IDPs and Cometary Nuclei'', 1999, in Proc. IAU Colloquium 168, Astro. Soc. Pacific, San Francisco. *''Proto-stellar Cosmic Rays and Extinct Radioactivities in Meteorites'', 1998, Ap. J. 506, 898–912. *''Coral Sr/Ca as a High Precisio ...
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Subaru Telescope
is the telescope of the National Astronomical Observatory of Japan, located at the Mauna Kea Observatory on Hawaii. It is named after the open star cluster known in English as the Pleiades. It had the largest monolithic primary mirror in the world from its commissioning until 2005. Overview The Subaru Telescope is a Ritchey-Chretien reflecting telescope. Instruments can be mounted at a Cassegrain focus below the primary mirror; at either of two Nasmyth focal points in enclosures on the sides of the telescope mount, to which light can be directed with a tertiary mirror; or at the prime focus in lieu of a secondary mirror, an arrangement rare on large telescopes, to provide a wide field of view suited to deep wide-field surveys. In 1984, the University of Tokyo formed an engineering working group to develop and study the concept of a telescope. In 1985, the astronomy committee of Japan's science council gave top priority to the development of a "Japan National Large ...
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SPICA (spacecraft)
The Space Infrared Telescope for Cosmology and Astrophysics (SPICA), was a proposed infrared space telescope, follow-on to the successful Akari space observatory. It was a collaboration between European and Japanese scientists, which was selected in May 2018 by the European Space Agency (ESA) as a finalist for the next Medium class Mission 5 of the Cosmic Vision programme, to launch in 2032. At the time the other two finalists were THESEUS and EnVision, with the latter that was eventually selected for further development. SPICA would have improved on the spectral line sensitivity of previous missions, the Spitzer and Herschel space telescopes, between 30 and 230 µm by a factor of 50—100. A final decision was expected in 2021, but in October 2020, it was announced that SPICA was no longer being considered as a candidate for the M5 mission. History In Japan, SPICA was first proposed in 2007, initially called HII-L2 after the launch vehicle and orbit, as a large Strat ...
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Greenland Telescope
The Greenland Telescope is a radio telescope that is currently installed and operating at the Thule Air Base in north-western Greenland. It will later be deployed at the Summit Station research camp, located at the highest point of the Greenland ice sheet at an altitude of 3,210 meters (10,530 feet). The telescope is an international collaboration between: * The Academia Sinica Institute of Astronomy and Astrophysics ''(Taiwan)'' (project leaders) * The Smithsonian Astrophysical Observatory of the Center for Astrophysics Harvard & Smithsonian ''(United States)'' * The National Radio Astronomy Observatory ''(United States)'' * The Haystack Observatory of the Massachusetts Institute of Technology ''(United States)'' In 2011 the U.S. National Science Foundation gave the Smithsonian Astrophysical Observatory a 12-meter radio antenna that had been used as a prototype for the ALMA project in Chile. The antenna was to be deployed in Greenland. Deploying the telescope in the m ...
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Atacama Large Millimeter Array
The Atacama Large Millimeter/submillimeter Array (ALMA) is an astronomical interferometer of 66 radio telescopes in the Atacama Desert of northern Chile, which observe electromagnetic radiation at millimeter and submillimeter wavelengths. The array has been constructed on the elevation Chajnantor plateau - near the Llano de Chajnantor Observatory and the Atacama Pathfinder Experiment. This location was chosen for its high elevation and low humidity, factors which are crucial to reduce noise and decrease signal attenuation due to Earth's atmosphere. ALMA provides insight on star birth during the early Stelliferous era and detailed imaging of local star and planet formation. ALMA is an international partnership amongst Europe, the United States, Canada, Japan, South Korea, Taiwan, and Chile. Costing about US$1.4 billion, it is the most expensive ground-based telescope in operation. ALMA began scientific observations in the second half of 2011 and the first images we ...
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Taiwanese–American Occultation Survey
The Taiwanese–American Occultation Survey (TAOS) is a robotic survey of the Outer Solar System. TAOS uses an array of four 50 cm aperture telescopes to monitor background stars awaiting the alignment of an Outer Solar System with a star target: an ''occultation''. Small objects in the Outer Solar System that are too small to be observed by direct observations at this time can be probed with this technique. Occultation surveys take advantage of diffraction effects during the transit of the occulting object (the ''occulter'') in front of a background star to constraint the size and distance of the occulter. TAOS is sensitive to occultations by Kuiper Belt Objects (KBOs) larger than about 500 m in diameter Z.-W. Zhang, F. B. Bianco, M. J. Lehner, N. K. Coehlo, J.-H. Wang, S. Mondal, C. Alcock, T. Axelrod, Y.-I. Byun, W.-P. Chen, K. H. Cook, R. Dave, I. de Pater, R. Porrata, D.-W. Kim, S.-K. King, T. Lee, H.-C. Lin, J. J. Lissauer, S. L. Marshall, P. Protopapas, J. A. Rice, ...
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Taiwanese-American Occultation Survey
Taiwanese Americans () are Americans who carry full or partial ancestry from Taiwan. This includes American-born citizens who descend from migrants from Taiwan. As of the 2010 U.S. Census, 49% of Taiwanese Americans lived in the state of California. New York and Texas have the second and third largest Taiwanese American populations, respectively. Notable Taiwanese Americans include Joy Burke, Elaine Chao, Steve Chen, Michael Chang, Yuan Chang, Jensen Huang, Justin Lin, Jeremy Lin, Lisa Su, Katherine Tai, Constance Wu, Michelle Wu, Andrew Yang, and Jerry Yang. Immigration history Taiwanese immigration to the United States was limited in the years before World War II, due to Japanese rule as well as the Immigration Act of 1924, which completely barred immigration from Asia. Prior to the 1950s, emigration from Taiwan (ROC) (then called Formosa), was negligible, but a small number of students came to the United States until 1965. After the passage of the Immigration and ...
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