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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Large Latin American Millimeter Array ： ウィキペディア英語版 Large Latin American Millimeter Array The Large Latin American Millimeter Array (LLAMA) is a single-dish 12 m Nasmyth optics antenna with VLBI capability which is under construction in the Puna de Atacama desert in the Province of Salta (Argentina). The primary mirror accuracy will allow to observe from 40 GHz up to 900 GHz. It is also planned to install a bolometer camera at millimeter wavelengths. After installation it will be able to join other similar instruments to do Very Large Base Line Interferometry or to work in stand alone mode. Finnancial support is provided by the Argentinian Government through its (Science Ministry ), and from Brazil through a ( FAPESP ) grant. The total cost of construction (around US$20 million) and operation as well as the telescope time use will be 50% shared by both countries. The construction started on July 2014, after the formal signature of an agreement between the main Institutions involved. It should see the ''first light'' in 24 to 30 months. ==Overview== LLAMA is a joint project between Argentinian and Brazilian Astronomers to build and operate a radio telescope at submillimeter wavelengths, that can work in ''stand alone mode'' or join a VLBI network. It is similar to the APEX antenna, also build by the German firm (Vertex Antennentechnik, GmbH ) (the same firm provided 25 of the ALMA antennae). The main scientific Institutions involved in the project are the Instituto Argentino de Radio Astronomía (IAR), and the Núcleo para o Apoio da Rádio Astronomia (NARA), from the Universidade de São Paulo (Brazil). The telescope is located at a very high altitude (4,825 m) where the atmospheric absorption (mostly due to water vapor) allows the observation at the very short wavelengths of less than 1 mm. It is a multipurpose instrument that will have cryogenic receivers with very high sensitivity in order to observe very faint sources, and filters to observe the Sun. This large receivers input range is quite a big challenge (although is not the first time that it was achieved since ALMA 12 m antennas have the same capacity.) 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Large Latin American Millimeter Array」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.