WEKO3
アイテム
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Laboratory Experiments using Binary Pupil Masks for the SPICA Coronagraphic Instrument
https://jaxa.repo.nii.ac.jp/records/3068
https://jaxa.repo.nii.ac.jp/records/3068869561f1-0dc2-4fe4-a657-c30610c50f23
名前 / ファイル | ライセンス | アクション |
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AA1730027091.pdf (4.2 MB)
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Item type | 会議発表論文 / Conference Paper(1) | |||||
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公開日 | 2018-05-07 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Laboratory Experiments using Binary Pupil Masks for the SPICA Coronagraphic Instrument | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_5794 | |||||
資源タイプ | conference paper | |||||
著者 |
櫨, 香奈恵
× 櫨, 香奈恵× 塩谷, 圭吾× 小谷, 隆行× 金田, 英宏× 大薮, 進喜× 石原, 大助× 尾関, 真二× Abe, Lyu× 山室, 智康× Haze, Kanae× Enya, Keigo× Kotani, Takayuki× Kaneda, Hidehiro× Oyabu, Shinki× Ishihara, Daisuke× Oseki, Shinji× Abe, Lyu× Yamamuro, Tomoyasu |
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著者所属 | ||||||
宇宙航空研究開発機構宇宙科学研究所(JAXA)(ISAS) | ||||||
著者所属 | ||||||
宇宙航空研究開発機構宇宙科学研究所(JAXA)(ISAS) | ||||||
著者所属 | ||||||
国立天文台 | ||||||
著者所属 | ||||||
名古屋大学 | ||||||
著者所属 | ||||||
名古屋大学 | ||||||
著者所属 | ||||||
名古屋大学 | ||||||
著者所属 | ||||||
名古屋大学 | ||||||
著者所属 | ||||||
Universite Nice Sophia Antipolis | ||||||
著者所属 | ||||||
オプトクラフト | ||||||
著者所属(英) | ||||||
en | ||||||
Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA)(ISAS) | ||||||
著者所属(英) | ||||||
en | ||||||
Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA)(ISAS) | ||||||
著者所属(英) | ||||||
en | ||||||
National Astronomical Observatory of Japan | ||||||
著者所属(英) | ||||||
en | ||||||
Nagoya University | ||||||
著者所属(英) | ||||||
en | ||||||
Nagoya University | ||||||
著者所属(英) | ||||||
en | ||||||
Nagoya University | ||||||
著者所属(英) | ||||||
en | ||||||
Nagoya University | ||||||
著者所属(英) | ||||||
en | ||||||
Universite Nice Sophia Antipolis | ||||||
著者所属(英) | ||||||
en | ||||||
OptCraft Co. | ||||||
出版者 | ||||||
出版者 | 宇宙航空研究開発機構(JAXA) | |||||
出版者(英) | ||||||
出版者 | Japan Aerospace Exploration Agency (JAXA) | |||||
書誌情報 |
宇宙航空研究開発機構特別資料 en : JAXA Special Publication: Proceedings of the SPICA Science Conference from Exoplanets to Distant Galaxies: SPICA's New Window on the Cool Universe 巻 JAXA-SP-17-010E, p. 411-413, 発行日 2018-03-09 |
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会議概要(会議名, 開催地, 会期, 主催者等)(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | SPICA Science Conference from Exoplanets to Distant Galaxies: SPICA's New Window on the Cool Universe (June 18-21, 2013. Ito Hall, the University of Tokyo), Bunkyou-ku, Tokyo, Japan | |||||
抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | We are currently involved in the development of stellar coronagraphs, with which the contrast between a star and a planet orbiting it can be improved, with the primary aim of the direct observation of exoplanets. We have carried out demonstrations of our mask design ideas for the pupil of SPICA and developed new free-standing masks (Mask-B and Mask-C) using thin sheets of nickel. Mask-B is intended to be used with a small inner working angle (IWA), and therefore, would be useful for direct observations of young Jovian planets very close to stars. With Mask-C a wide-field coronagraphic image is realized, so would be useful for efficient surveys of unknown exoplanets far from their stars and observations of diffuse targets such as circumstellar disks related to planetary formation. These mask have the general advantages of a binary pupil mask, i.e., (1) they are robust against pointing errors, and (2) they can, in principle, make observations over a wide range of wavelengths. Furthermore, the design of these masks gives them the following very important asset in that (3) they are applicable to the pupil of the SPICA telescope, which is partially obscured by a secondary mirror and support spiders. We obtained the first results of our laboratory experiments using Mask-B and Mask-C. The contrast of Mask-B close to the center was in the order of 10(exp -4) and that of Mask-C over an extended field of view (6-23 λ /D) was in the order of 10(exp -5)-10(exp -6). | |||||
内容記述 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 形態: カラー図版あり | |||||
内容記述(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | Physical characteristics: Original contains color illustrations | |||||
ISSNONLINE | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 2433-2232 | |||||
資料番号 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 資料番号: AA1730027091 | |||||
レポート番号 | ||||||
内容記述タイプ | Other | |||||
内容記述 | レポート番号: JAXA-SP-17-010E |