講演情報
[PPS03-P11]Progress report of development and ground calibration of DESTINY+ Dust Analyser 2024
*平井 隆之1、小林 正規1、荒井 朋子1、木村 宏1、薮田 ひかる2、伊藤 元雄3、山口 亮4、佐々木 晶5、矢野 創6、Mario Trieloff7、Thomas Ludwig7、Winfried Schwarz7、Jens Hopp7、Jon Hillier8、Nozair Khawaja8、Frank Postberg8、Harald Krueger9、Ralf Srama10、Jonas Simolka10、Carsten Henselowsky11 (1.千葉工業大学惑星探査研究センター、2.広島大学、3.海洋研究開発機構、4.国立極地研究所、5.大阪大学、6.宇宙航空研究開発機構、7.ハイデルベルク大学、8.ベルリン自由大学、9.マックスプランク太陽系研究所、10.シュトゥットガルト大学、11.ドイツ航空宇宙センター)
キーワード：
ダスト、小惑星(3200)フェートン、衝突電離型質量分析
DESTINY+ Dust Analyser (DDA) is an impact ionization TOF-MS dust analyser to be onboard the JAXA's DESTINY+ spacecraft for Phaethon flyby exploration. DDA will reveal the bulk chemical composition of interplanetary and interstellar dust particles and Phaethon ejecta particles. DDA can obtain TOF mass spectra of positive ions generated by impact ionization of dust particles. This presentation gives the status report of the development and ground calibration of DDA in 2023 to early 2024. The structural and thermal model 1 of the DDA sensor (DDA-S STM1) has been delivered to Japan for participating in the system-level structural and thermal model tests. The flight model (FM) design of DDA will be fixed soon after the upcoming critical design review (CDR). In the calibration test with the dust accelerator at the University of Stuttgart, mineral (e.g. olivine) and organic (e.g. perylen) particles coated with conductive materials have been successfully accelerated and impacted on the engineering model (EM) of DDA. The impact ionization mass spectra have been archived for the future interpretation of spectra to be obtained in orbit.