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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 Tokyo Photoelectric Meridian Circle ： ウィキペディア英語版 Tokyo Photoelectric Meridian Circle The Tokyo Photoelectric Meridian Circle (PMC) is a meridian circle that observes and records the positions of stars and planets, which are then reported in the PMC catalogs. ==Meridian circle== The Tokyo Photoelectric Meridian Circle is a fully automated photoelectric meridian circle at the Mitaka campus of the National Astronomical Observatory of Japan (formerly of the Tokyo Astronomical Observatory) in Tokyo, Japan. It was manufactured by Carl Zeiss Oberkochen, Germany, and installed in Mitaka in 1982. The telescope is equipped with a double-slit photoelectric micrometer, a photomultiplier with a photon counting device, and a set of filters. Systematic observations with the PMC began in December 1985 for about 33,000 stars selected from several source catalogs. The results of the observations were divided into sequential groups according to the observation years and reduced into a corresponding annual catalog. Each annual catalog contains the positions of several thousand stars. All of the annual catalogs published up to 1993 are available on request in machine-readable form, either directly from the National Astronomical Observatory of Japan or from the Centre de Données astronomiques de Strasbourg (CDS). 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「Tokyo Photoelectric Meridian Circle」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.