Balloon observation of the 1983 solar eclipse in Indonesia |
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| Authors: | H Tanabe S Isobe H Akiyama Y Koma T Okabe J Nishimura T Maihara K Mizutani J Soegijo TE Hariadi S Indrawan S Slamet P Anondo T Tatang S Agus W Mulyana VR Suroto |
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| Institution: | 1. Tokyo Astronomical Observatory, Mitaka, Tokyo 181, Japan;7. The Institute of Space and Aeronautical Science, Meguro-ku, Tokyo 153, Japan;71. Department of Physics, Kyoto University, Kyoto 606, Japan;2. Indonesian National Institute of Aeronautics and Space, Jalan Laks, L.R.E. Martadinata 166, Bandung, Indonesia |
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| Abstract: | A balloon observation of the total solar eclipse on 11 June 1983 was carried out as a cooperative work between Japanese and Indonesian teams. The observation was a photo-polarimetry of the F corona in both visual and near-infrared regions.The balloon of 15,000-m3 with a payload of 150-kg was launched at 7h13m on 11 June from Watukosek Balloon Base in East Java. Observation at an altitude of 30.5-km was successfully made during the totality (11h28～32m) at a position of ～40-km east-south-east from Jogjakarta.As a preliminary result, an excess in infrared brightness has been found near the position of 3.8R⊙ west from the sun, which may be due to thermal emission from a high-temperature dust cloud located around the sun. |
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