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The scientific observation campaign of the Hayabusa-2 capsule re-entry

Abstract : On 2020 December 5 at 17:28 UTC, the Japan Aerospace Exploration Agency's Hayabusa-2 sample return capsule came back to the Earth. It re-entered the atmosphere over South Australia, visible for 53 seconds as a fireball from near the Northern Territory border toward Woomera where it landed in the the Woomera military test range. A scientific observation campaign was planned to observe the optical, seismo-acoustic, radio, and high energy particle phenomena associated with the entry of an interplanetary object. A multi-institutional collaboration between Australian and Japanese universities resulted in the deployment of 49 instruments, with a further 13 permanent observation sites. The campaign successfully recorded optical, seismo-acoustic, and spectral data for this event which will allow an in-depth analysis of the effects produced by interplanetary objects impacting the Earth's atmosphere. This will allow future comparison and insights to be made with natural meteoroid objects.
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Submitted on : Tuesday, February 22, 2022 - 1:39:29 PM
Last modification on : Friday, August 5, 2022 - 12:01:20 PM

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Eleanor K. Sansom, Hadrien A. R. Devillepoix, Masa-Yuki Yamamoto, Shinsuke Abe, Satoshi Nozawa, et al.. The scientific observation campaign of the Hayabusa-2 capsule re-entry. Publications of the Astronomical Society of Japan, 2022, 74, pp.50-63. ⟨10.1093/pasj/psab109⟩. ⟨insu-03584323⟩

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