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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 Project 1640 ： ウィキペディア英語版 Project 1640 Project 1640 is a high contrast imaging project at Palomar Observatory. It seeks to image brown dwarfs and Jupiter-sized planets around nearby stars. Rebecca Oppenheimer, associate curator and chair of the Astrophysics Department at the American Museum of Natural History is the principal investigator for the project.〔 〕 == Instruments == The two main instruments behind Project 1640 is an Integral field spectrograph (IFS) and an Apodized-pupil Lyot coronagraph at the Hale Telescope at Palomar. This instrument is the basis of a high-contrast imaging long-term observational program. The instrument uses the chromatic nature of the speckle noise to distinguish it from any true astrophysical companions, including a software which increases sensitivity by 10-20 times. Such sensitivity can detect planets of several Jupiter masses. The spectrograph obtains 23 images across the J and H bands (1.06-1.78 µm), with a spectral resolution of 45. In approximately 2013, a Post-coronagraph Wave Front Calibration System was added. Its goal is to achieve a wave front irregularity of less than 10 nm.〔 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「Project 1640」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.