2020 - 2025 Highly Accurate monitoring observation in thermal infrared wavelength for studying exo-planetary system
2019 - 2024 彗星塵とされてきた宇宙塵は彗星起源なのか?:分析と分光観測からのアプローチ
2017 - 2020 Study on small-scale structures of the zodiacal emission observed with AKARI all-skay survey
2013 - 2017 Unveil the star formation history in the universe using the AKARI infrared all-sky survey data
2013 - 2016 The most detailed model of the zodiacal emission based on the AKARI all-sky survey data
2009 - 2014 Development of high accuracy component separation scheme between cosmic microwave background radiation and foreground emissions
2009 - 2011 Study of material circulation in the early solar nebula based on the infrared observations of comets and the laboratory investigations of dust grains
2006 - 2007 始原的彗星塵の赤外線観測による原始太陽系星雲の研究
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Papers (112):
Jin Beniyama, Tomohiko Sekiguchi, Daisuke Kuroda, Tomoko Arai, Ko Ishibashi, Masateru Ishiguro, Fumi Yoshida, Hiroki Senshu, Takafumi Ootsubo, Shigeyuki Sako, et al. Simultaneous multicolor photometry of the DESTINY+ target asteroid (3200) Phaethon. Publications of the Astronomical Society of Japan. 2023. 75. 2. 297-310
Takafumi Ootsubo, Hideyo Kawakita, Yoshiharu Shinnaka. Mid-infrared observations of the nucleus of Comet P/2016 BA(14) (PANSTARRS). ICARUS. 2021. 363
Ko Arimatsu, Kohji Tsumura, Fumihiko Usui, Takafumi Ootsubo, Jun-ichi Watanabe. Detectability of Optical Transients with Timescales of Subseconds. The Astronomical Journal. 2021. 161. 3. 135-135