Observation of electron density in the auroral ionosphere-Results of the Antarctic rockets S-310JA-11 and -12

• Main Authors: Tadatoshi Takahashi, Hiroshi Oya, Hiroshi Fukunishi, Yuzo Watanabe, Hisao Yamagishi
• Format: Report
• Language: English
• Published: Geophysical Institute, Faculty of Science, Tohoku University/Geophysical Institute, Faculty of Science, Tohoku University/Upper Atmosphere and Space Research Laboratory, Faculty of Science, Tohoku University/Institute of Space and Astronautical Science/National Institute of Polar Research 1988
• Subjects: Antarctic; The Antarctic; Syowa Station; Antarc*
• Online Access: https://nipr.repo.nii.ac.jp/?action=repository_uri&item_id=4029; http://id.nii.ac.jp/1291/00004029/; https://nipr.repo.nii.ac.jp/?action=repository_action_common_download&item_id=4029&item_no=1&attribute_id=18&file_no=1

During the 26th Japanese Antarctic Research Expedition, measurements of electron density were carried out as a part of the coordinated rocket experiments (S-310JA-11 and -12) for wave-particle interactions in the auroral ionosphere. The two rockets were launched into the auroral arcs of different type on May 29,1985 and July 12,1985,at Syowa Station (69°00'S, 39°35'E). The electron density profiles show characteristic signatures corresponding to the auroral forms and activities. Especially low altitude ionospheric layer of high electron density was observed in a bright arc of the break up type aurora by S-310JA-12 during its ascending.