{"created":"2023-06-20T14:35:47.838789+00:00","id":2077,"links":{},"metadata":{"_buckets":{"deposit":"2e5aaea6-89dd-469a-bbe5-6fce2ad2417b"},"_deposit":{"created_by":1,"id":"2077","owners":[1],"pid":{"revision_id":0,"type":"depid","value":"2077"},"status":"published"},"_oai":{"id":"oai:jaxa.repo.nii.ac.jp:00002077","sets":["1398:1408:1415","1887:1893","9:10:121:124"]},"author_link":["2990","2983","3001","2986","2995","2988","2993","2997","2987","2985","2991","2989","2992","2994","2998","2984","2999","3000","2996"],"item_3_alternative_title_2":{"attribute_name":"その他のタイトル（英）","attribute_value_mlt":[{"subitem_alternative_title":"A balloon-borne telescope developed for remote sensing of planets from the polar stratosphere"}]},"item_3_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"2010-03-31","bibliographicIssueDateType":"Issued"},"bibliographicVolumeNumber":"JAXA-RR-09-007","bibliographic_titles":[{"bibliographic_title":"宇宙航空研究開発機構研究開発報告: 大気球研究報告"},{"bibliographic_title":"JAXA Research and Development Report","bibliographic_titleLang":"en"}]}]},"item_3_description_16":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"惑星大気・プラズマ中で起こる時間変動現象を研究するためには長期連続観測が重要である．極域成層圏の特殊性を利用して惑星を連続観測することを目的とした気球搭載望遠鏡を開発している．口径300mmのシュミットカセグレン望遠鏡が気球ゴンドラに搭載される．ゴンドラはコントロールモーメントジャイロ，デカップリング機構，各種姿勢センサーを使って姿勢制御され，極域成層圏に1週間以上滞留可能な性能を持つ．ゴンドラ姿勢制御，望遠鏡経緯台による天体捕捉，2軸ティップティルトミラーによる追尾誤差補正によって，目標天体を0.1\"rmsの精度で捉える．金星をターゲットとして，最初の気球実験が2009年6月3日に北海道大樹町において実施された．4:10に放球され，その後2時間，システムは正常に動作した．高度約14kmでのレベルフライト時に太陽捕捉の実験を行った．ゴンドラ姿勢制御を開始するとゴンドラの方位角は振動しつつ収束し，数分間，方位角誤差は1度rmsの範囲内に収まった．残念ながら搭載コンピュータの不具合により，金星捕捉は叶わなかった．しかし，サンセンサーのビデオ信号から，姿勢制御していない状態でのゴンドラの方位角角速度は20度/min以下であることがわかった．地上試験も含めた今回の気球実験結果から，気球望遠鏡システムの姿勢制御，天体捕捉・追尾の原理は有効であることが確証された．今後の実験へ向けて，より信頼性が高い搭載コンピュータに改善していく．","subitem_description_type":"Abstract"}]},"item_3_description_17":{"attribute_name":"抄録（英）","attribute_value_mlt":[{"subitem_description":"A long-term continuous observation is essential for studies of time-dependent phenomena of the planetary atmospheres and plasmas. A balloon-borne telescope system has been developed for remote sensing of the planets from the polar stratosphere. In this system, a Schmidt－Cassegrain telescope with a 300-mm clear aperture is mounted on a gondola whose attitude is controlled by control moment gyros, an active decoupling motor, and attitude sensors. The gondola can float in the stratosphere for periods in excess of 1 week. A pointing stability of 0.1\"rms will be achieved by the cooperative operation of the following three-stage pointing devices: a gondola-attitude control system, two-axis telescope gimbals for coarse guiding, and a tip/tilt mirror mount for guiding error correction. The first experiment of the balloon-borne telescope system was conducted on June 3, 2009 in Taikicho, Hokkaido targeting Venus. The balloon was launched at 4:10 JST and the system has been operating perfectly for two hours after launch. During the first level flight at an attitude of 14 km attitude control was activated. Oscillation of the azimuthal angle of the gondola was damped at an expected rate and the gondola was stabilized within an error of 1 deg rms for a several minutes. Unfortunately capture of Venus images by the telescope was aborted because of failure in the onboard computer occurred at two hours after launch. However, from the video signal from the Sun sensor azimuthal angular velocity of the free gondola is estimated to be 20 deg/min or slower. These results from the experiments including the ground-based tests suggest that the basic system concept of the balloon-borne telescope, especially the attitude control and tracking technology, is correct. A more robust and a dependable onboard computer is required for a future experiment.","subitem_description_type":"Other"}]},"item_3_description_18":{"attribute_name":"内容記述","attribute_value_mlt":[{"subitem_description":"形態: カラー図版あり","subitem_description_type":"Other"},{"subitem_description":"著者人数: 12人","subitem_description_type":"Other"}]},"item_3_description_19":{"attribute_name":"内容記述（英）","attribute_value_mlt":[{"subitem_description":"Physical characteristics: Original contains color illustrations","subitem_description_type":"Other"}]},"item_3_description_32":{"attribute_name":"資料番号","attribute_value_mlt":[{"subitem_description":"資料番号: AA0064759004","subitem_description_type":"Other"}]},"item_3_description_33":{"attribute_name":"レポート番号","attribute_value_mlt":[{"subitem_description":"レポート番号: JAXA-RR-09-007","subitem_description_type":"Other"}]},"item_3_publisher_8":{"attribute_name":"出版者","attribute_value_mlt":[{"subitem_publisher":"宇宙航空研究開発機構"}]},"item_3_publisher_9":{"attribute_name":"出版者（英）","attribute_value_mlt":[{"subitem_publisher":"Japan Aerospace Exploration Agency (JAXA)"}]},"item_3_source_id_21":{"attribute_name":"ISSN","attribute_value_mlt":[{"subitem_source_identifier":"1349-1113","subitem_source_identifier_type":"ISSN"}]},"item_3_source_id_24":{"attribute_name":"書誌レコードID","attribute_value_mlt":[{"subitem_source_identifier":"AA1192675X","subitem_source_identifier_type":"NCID"}]},"item_3_text_6":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"立教大学理学部"},{"subitem_text_value":"東北大学大学院工学研究科"},{"subitem_text_value":"東北大学大学院工学研究科"},{"subitem_text_value":"東北大学大学院工学研究科"},{"subitem_text_value":"北海道大学大学院理学院"},{"subitem_text_value":"東北大学大学院理学研究科"},{"subitem_text_value":"東北大学大学院工学研究科"},{"subitem_text_value":"東北大学大学院工学研究科"},{"subitem_text_value":"東北大学大学院理学研究科"},{"subitem_text_value":"東北大学大学院理学研究科"}]},"item_3_text_7":{"attribute_name":"著者所属（英）","attribute_value_mlt":[{"subitem_text_language":"en","subitem_text_value":"Faculty of Science, Rikkyo University"},{"subitem_text_language":"en","subitem_text_value":"Graduate School of Engineering, Tohoku University"},{"subitem_text_language":"en","subitem_text_value":"Graduate School of Engineering, Tohoku University"},{"subitem_text_language":"en","subitem_text_value":"Graduate School of Engineering, Tohoku University"},{"subitem_text_language":"en","subitem_text_value":"Graduate School of Science, Hokkaido University"},{"subitem_text_language":"en","subitem_text_value":"Graduate School of Science, Tohoku University"},{"subitem_text_language":"en","subitem_text_value":"Graduate School of Engineering, Tohoku University"},{"subitem_text_language":"en","subitem_text_value":"Graduate School of Engineering, Tohoku University"},{"subitem_text_language":"en","subitem_text_value":"Graduate School of Science, Tohoku University"},{"subitem_text_language":"en","subitem_text_value":"Graduate School of Science, Tohoku University"}]},"item_creator":{"attribute_name":"著者","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"田口, 真"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"莊司, 泰弘"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"坂本, 裕二"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"吉田, 和哉"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"高橋, 幸弘"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"寺口, 朋子"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"大西, 智也"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"佐藤, 隆雄"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"星野, 直哉"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"Taguchi, Makoto","creatorNameLang":"en"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"Shoji, Yasuhiro","creatorNameLang":"en"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"Sakamoto, Yuji","creatorNameLang":"en"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"Yoshida, Kazuya","creatorNameLang":"en"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"Takahashi, Yukihiro","creatorNameLang":"en"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"Teraguchi, Tomoko","creatorNameLang":"en"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"Ohnishi, Tomoya","creatorNameLang":"en"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"Battazo, Steve","creatorNameLang":"en"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"Sato, Takao","creatorNameLang":"en"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"Hoshino, Naoya","creatorNameLang":"en"}],"nameIdentifiers":[{}]}]},"item_files":{"attribute_name":"ファイル情報","attribute_type":"file","attribute_value_mlt":[{"accessrole":"open_date","date":[{"dateType":"Available","dateValue":"2020-01-15"}],"displaytype":"detail","filename":"64759004.pdf","filesize":[{"value":"2.3 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