{"created":"2023-06-20T15:03:38.887725+00:00","id":32862,"links":{},"metadata":{"_buckets":{"deposit":"d810c0b2-891a-4210-9006-947a5b73e925"},"_deposit":{"created_by":1,"id":"32862","owners":[1],"pid":{"revision_id":0,"type":"depid","value":"32862"},"status":"published"},"_oai":{"id":"oai:jaxa.repo.nii.ac.jp:00032862","sets":["1887:1890","1896:1898:1899:1912"]},"author_link":["412241","412238","412243","412242","412239","412240"],"item_9_alternative_title_2":{"attribute_name":"その他のタイトル（英）","attribute_value_mlt":[{"subitem_alternative_title":"Observation of the Energy Distribution of Thermal Electrons in the Winter Predawn Ionosphere by a K-9M-76 Rocket"}]},"item_9_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"1984-03","bibliographicIssueDateType":"Issued"},"bibliographicPageEnd":"61","bibliographicPageStart":"45","bibliographicVolumeNumber":"9","bibliographic_titles":[{"bibliographic_title":"宇宙科学研究所報告. 特集: 宇宙観測研究報告"}]}]},"item_9_description_16":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"本報告は磁気共役点からの光電子降下による夜明前の大気光増量現象に関する総合観測を目的として打上げられたK-9M-76号ロケットに塔載された熱的電子エネルギー分布測定器による観測結果に関する。測定にはラングミュアプローブを用い, ドリベステン法を適用した。プローブ特性の二次微分を得るためには最近開発した高速掃引に適した遅延回路を用いた。上昇時は高度140kmから最高高度349kmまで, 下降時は最高高度から200kmまでと, 100kmから87kmにかけてのE層のデータが得られた。100kmから200kmに亘ってはE-F層の谷が存在し, ここでは低エネルギー部分が二つのピークに分れる傾向が見られた。240kmより上部では高エネルギー尾部に若干の凹凸があることと, 非常に低エネルギーの部分 (&lsim;0.15eV) における涸渇を除いてはマクスウェル分布からの大きいずれはなかった。得られた二次微分曲線をプローブ電圧に対しセミログプロットし, 最小二乗近似直線を計算機により決定し, その傾斜から電子温度を求めた結果, 高度90kmから350kmに亘って750°Kから1300°Kに至るまでの高度と共に増加の傾向を得た。また, 二次微分曲線の積分よりプラズマ密度を求めた結果, 100km附近で最大密度1.3×10^4cm^<-3>のE層, 300km附近で最大密度1.5×10^5cm^<-3>のF層, 100-200kmに亘るE-F層の谷が明らかとなった。これらの結果は酸素分子イオンと電子との解離再結合によるO(^1D)の生成率を評価すること, 光電子の直接励起によるO(^1D)生成率との比較を可能にする。","subitem_description_type":"Abstract"}]},"item_9_description_17":{"attribute_name":"抄録（英）","attribute_value_mlt":[{"subitem_description":"This paper is concerned with the electron energy distribution in the winter predawn ionosphere measured by a Langmuir probe on board a K-9M-76 rocket. The rocket was launched on January 15,5h40m a. m., 1983,from Kagoshima Space Center to study the predawn enhancement of airglow and the behavior of photoelectrons from a magnetically conjugate region. The measurement of thermal electrons was made by applying the Druyvesteyn method to evaluate the production rate of O (^1D) through dissociative recombination of electrons with O^+_2 and the heating rate by Coulomb collision. For the double differentiation of the probe current, delay circuits were used, which were favorable for the high speed scanning. Energy distribution f (E) /√<E> showed nearly Maxwellian except in the extreme low energy part. Certain wriggles were superimposed on the higher energy part. A double-hump structure appeared in the low energy part at lower heights (E-F valley between 140 and 230km and E-layer around 90km). The electron temperature, T_e, determined from the least square fitting on the semilog plot of the differentiated probe characteristics was about 750°K near 90km (E layer), showing a gradual increase with height to about 1300°K at 350km (F layer). The value of T_e in the downleg showed a higher value by 20 to 30% than that in the upleg. The reason may be partly due to the interaction between photoelectrons and thermal electrons and partly due to an apparent increase by the wake.","subitem_description_type":"Other"}]},"item_9_description_32":{"attribute_name":"資料番号","attribute_value_mlt":[{"subitem_description":"資料番号: SA0166646000","subitem_description_type":"Other"}]},"item_9_publisher_8":{"attribute_name":"出版者","attribute_value_mlt":[{"subitem_publisher":"宇宙科学研究所"}]},"item_9_publisher_9":{"attribute_name":"出版者（英）","attribute_value_mlt":[{"subitem_publisher":"Institute of Space and Astronautical Science"}]},"item_9_source_id_21":{"attribute_name":"ISSN","attribute_value_mlt":[{"subitem_source_identifier":"0285-9920","subitem_source_identifier_type":"ISSN"}]},"item_9_source_id_24":{"attribute_name":"書誌レコードID","attribute_value_mlt":[{"subitem_source_identifier":"AN00354485","subitem_source_identifier_type":"NCID"}]},"item_9_text_6":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"理化学研究所"}]},"item_creator":{"attribute_name":"著者","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"雨宮, 宏"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"小山, 孝一郎"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"平尾, 邦雄"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"AMEMIYA, H.","creatorNameLang":"en"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"OYAMA, K.","creatorNameLang":"en"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"HIRAO, K.","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":"2020-01-24"}],"displaytype":"detail","filename":"SA0166646.pdf","filesize":[{"value":"979.7 kB"}],"format":"application/pdf","licensetype":"license_note","mimetype":"application/pdf","url":{"label":"SA0166646.pdf","url":"https://jaxa.repo.nii.ac.jp/record/32862/files/SA0166646.pdf"},"version_id":"991e2c21-2d7c-4447-8286-eca54fd8ea61"}]},"item_language":{"attribute_name":"言語","attribute_value_mlt":[{"subitem_language":"jpn"}]},"item_resource_type":{"attribute_name":"資源タイプ","attribute_value_mlt":[{"resourcetype":"departmental bulletin paper","resourceuri":"http://purl.org/coar/resource_type/c_6501"}]},"item_title":"K-9M-76 号機による冬の夜明前電離層の熱的電子のエネルギー分布観測","item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"K-9M-76 号機による冬の夜明前電離層の熱的電子のエネルギー分布観測"}]},"item_type_id":"9","owner":"1","path":["1890","1912"],"pubdate":{"attribute_name":"公開日","attribute_value":"2015-03-26"},"publish_date":"2015-03-26","publish_status":"0","recid":"32862","relation_version_is_last":true,"title":["K-9M-76 号機による冬の夜明前電離層の熱的電子のエネルギー分布観測"],"weko_creator_id":"1","weko_shared_id":-1},"updated":"2023-06-21T00:22:10.619174+00:00"}