{"created":"2023-06-20T14:40:36.140610+00:00","id":7515,"links":{},"metadata":{"_buckets":{"deposit":"4d91e493-ee36-4351-8a8b-c3d4d97fe818"},"_deposit":{"created_by":1,"id":"7515","owners":[1],"pid":{"revision_id":0,"type":"depid","value":"7515"},"status":"published"},"_oai":{"id":"oai:jaxa.repo.nii.ac.jp:00007515","sets":["1543:1544:1557","1887:1891"]},"author_link":["40087","40083","40079","40078","40089","40093","40091","40090","40086","40088","40092","40094","40084","40077","40082","40080","40081","40085"],"item_5_alternative_title_1":{"attribute_name":"その他のタイトル","attribute_value_mlt":[{"subitem_alternative_title":"ハヤブサのイトカワ接近時のΔVLBI評価実験"}]},"item_5_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"2007-03","bibliographicIssueDateType":"Issued"},"bibliographicPageEnd":"83","bibliographicPageStart":"78","bibliographic_titles":[{"bibliographic_title":"第16回アストロダイナミクスシンポジウム講演後刷り集　2006"},{"bibliographic_title":"Proceedings of 16th Workshop on JAXA Astrodynamics and Flight Mechanics","bibliographic_titleLang":"en"}]}]},"item_5_description_16":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"2005年11月、ハヤブサ(MUSES-C: Asteroid Sample-return Spacecraft)が小惑星イトカワにタッチダウンを行なった時期に合わせて、国内のVLBI(Very Long Baseline Interferometry)観測局6局を使ってハヤブサの相対VLBI観測を行なった。これは飛翔体のVLBI観測における、相対VLBIによる遅延補正の精度/確度を検証する絶好の機会となった。この観測では、群遅延量より精度の高い位相遅延量を観測量として使い、原子時計の同期誤差と大気に起因する遅延量を数百ピコ秒の精度で補正できることが確認された。本文では相対VLBIによる遅延補正のアルゴリズムについても述べる。","subitem_description_type":"Abstract"}]},"item_5_description_17":{"attribute_name":"抄録（英）","attribute_value_mlt":[{"subitem_description":"In November 2005, spacecraft Hayabusa (MUSES-C: Asteroid Sample-return Spacecraft) has made touchdown approaches to the asteroid ITOKAWA. In this occasion, we organized Delta-VLBI (Very Long Baseline Interferometry) observation of Hayabusa with six Japanese domestic VLBI stations. We used phase delay, which has higher resolution that group delay, as observable for this experiments. This was a good chance to evaluate the accuracy of Delta VLBI delay measurement for spacecraft. Excess delay was modeled by clock and atmospheric delay and the correction accuracy was found to be around several hundreds of pico seconds.","subitem_description_type":"Other"}]},"item_5_description_32":{"attribute_name":"資料番号","attribute_value_mlt":[{"subitem_description":"資料番号: AA0063481014","subitem_description_type":"Other"}]},"item_5_publisher_8":{"attribute_name":"出版者","attribute_value_mlt":[{"subitem_publisher":"宇宙航空研究開発機構宇宙科学研究本部"}]},"item_5_publisher_9":{"attribute_name":"出版者（英）","attribute_value_mlt":[{"subitem_publisher":"Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA/ISAS)"}]},"item_5_text_6":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"情報通信研究機構"},{"subitem_text_value":"情報通信研究機構"},{"subitem_text_value":"宇宙航空研究開発機構"},{"subitem_text_value":"宇宙航空研究開発機構"},{"subitem_text_value":"宇宙航空研究開発機構"},{"subitem_text_value":"宇宙航空研究開発機構"},{"subitem_text_value":"宇宙航空研究開発機構"},{"subitem_text_value":"宇宙航空研究開発機構"},{"subitem_text_value":"富士通"}]},"item_5_text_7":{"attribute_name":"著者所属（英）","attribute_value_mlt":[{"subitem_text_language":"en","subitem_text_value":"National Institute of Information and Communications Technology"},{"subitem_text_language":"en","subitem_text_value":"National Institute of Information and Communications Technology"},{"subitem_text_language":"en","subitem_text_value":"Japan Aerospace Exploration Agency"},{"subitem_text_language":"en","subitem_text_value":"Japan Aerospace Exploration Agency"},{"subitem_text_language":"en","subitem_text_value":"Japan Aerospace Exploration Agency"},{"subitem_text_language":"en","subitem_text_value":"Japan Aerospace Exploration Agency"},{"subitem_text_language":"en","subitem_text_value":"Japan Aerospace Exploration Agency"},{"subitem_text_language":"en","subitem_text_value":"Japan Aerospace Exploration Agency"},{"subitem_text_language":"en","subitem_text_value":"Fujitsu Ltd."}]},"item_access_right":{"attribute_name":"アクセス権","attribute_value_mlt":[{"subitem_access_right":"metadata only access","subitem_access_right_uri":"http://purl.org/coar/access_right/c_14cb"}]},"item_creator":{"attribute_name":"著者","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"関戸, 衛"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"市川, 隆一"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"吉川, 真"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"望月, 奈々子"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"村田, 泰宏"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"加藤, 隆二"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"市川, 勉"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"竹内, 央"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"大西, 隆史"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"Sekido, Mamoru","creatorNameLang":"en"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"Ichikawa, Ryuichi","creatorNameLang":"en"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"Yoshikawa, Makoto","creatorNameLang":"en"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"Mochizuki, Nanako","creatorNameLang":"en"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"Murata, Yasuhiro","creatorNameLang":"en"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"Kato, Takaji","creatorNameLang":"en"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"Ichikawa, Tsutomu","creatorNameLang":"en"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"Takeuchi, Hiroshi","creatorNameLang":"en"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"Onishi, Takafumi","creatorNameLang":"en"}],"nameIdentifiers":[{}]}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"超長基線干渉法","subitem_subject_scheme":"Other"},{"subitem_subject":"遅延","subitem_subject_scheme":"Other"},{"subitem_subject":"はやぶさ","subitem_subject_scheme":"Other"},{"subitem_subject":"MUSES-C","subitem_subject_scheme":"Other"},{"subitem_subject":"小惑星探査機","subitem_subject_scheme":"Other"},{"subitem_subject":"イトカワ","subitem_subject_scheme":"Other"},{"subitem_subject":"ΔVLBI","subitem_subject_scheme":"Other"},{"subitem_subject":"精度","subitem_subject_scheme":"Other"},{"subitem_subject":"補正","subitem_subject_scheme":"Other"},{"subitem_subject":"角度分解能","subitem_subject_scheme":"Other"},{"subitem_subject":"時計の同期化","subitem_subject_scheme":"Other"},{"subitem_subject":"位相遅延","subitem_subject_scheme":"Other"},{"subitem_subject":"較正","subitem_subject_scheme":"Other"},{"subitem_subject":"位置誤差","subitem_subject_scheme":"Other"},{"subitem_subject":"very long base interferometry","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"delay","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"Hayabusa","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"MUSES-C","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"Asteroid Sample-return Spacecraft","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"Itokawa","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"Delta VLBI","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"accuracy","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"correction","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"angular resolution","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"clock synchronization","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"phase delay","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"calibrating","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"position error","subitem_subject_language":"en","subitem_subject_scheme":"Other"}]},"item_language":{"attribute_name":"言語","attribute_value_mlt":[{"subitem_language":"eng"}]},"item_resource_type":{"attribute_name":"資源タイプ","attribute_value_mlt":[{"resourcetype":"conference paper","resourceuri":"http://purl.org/coar/resource_type/c_5794"}]},"item_title":"Delta VLBI test observation at Hayabusa's approach to Itokawa","item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"Delta VLBI test observation at Hayabusa's approach to Itokawa","subitem_title_language":"en"}]},"item_type_id":"5","owner":"1","path":["1557","1891"],"pubdate":{"attribute_name":"公開日","attribute_value":"2015-03-26"},"publish_date":"2015-03-26","publish_status":"0","recid":"7515","relation_version_is_last":true,"title":["Delta VLBI test observation at Hayabusa's approach to Itokawa"],"weko_creator_id":"1","weko_shared_id":-1},"updated":"2023-06-21T07:38:19.552434+00:00"}