Toru Kouyama

Rikkyo University — Japan

Physics and Astronomy · Physical Sciences

35h-index5.6kcitations416works1.22yr avg
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Research Topics

Astro and Planetary Science(238), Planetary Science and Exploration(236), Isotope Analysis in Ecology(67), Space Exploration and Technology(48), Geology and Paleoclimatology Research(46)

Publications415 total

Demonstrating Exoplanet Transit Photometry from Space with a 15 mm Aperture Optical Navigation Camera on Hayabusa2
The Astronomical Journal·2026Open Access
Thermal infrared imager TIRI onboard Hera and RAMSES missions
Acta Astronautica·2025
Boulder motions on asteroid Ryugu induced by thruster gas disturbance by Hayabusa2
Icarus·2025
The Thermal InfraRed Imager on Hera
Space Science Reviews·2025· 1 citedOpen Access
Venusian Planetary‐Scale Waves Observed by Akatsuki Longwave Infrared Camera: Coupled Rossby‐Kelvin Waves and Long‐Term Variation
Journal of Geophysical Research Planets·2025Open Access
The MMX InfraRed Spectrometer (MIRS) for the spectral characterization of the Martian system
Progress in Earth and Planetary Science·2025· 1 citedOpen Access
Temporal Ensemble Effect in Scattering Power Decomposition
2025
SAR-W-MixMAE: SAR Foundation Model Training Using Backscatter Power Weighting
2025· 3 cited
Towards Practical SAR-to-Optical Translation: An End-to-End SAR-to-LULC Approach Leveraging JAXA LULC Map
2025
Correction: Temporal variation in the cloud‑top temperature of Venus revealed by meteorological satellites
Earth Planets and Space·2025Open Access
Observation of Diffuse Galactic Light Near the Galactic Center with ONC-T on Board Hayabusa2
The Astrophysical Journal·2025Open Access
Preparation of an Objective Analysis Dataset with Akatsuki Horizontal Winds Assimilation for Studying Planetary-Scale Waves in the Venus Atmosphere
2025Open Access
Venusian planetary-scale waves observed by Akatsuki LIR: Rossby-Kelvin instability and long-term variation
2025Open Access
In-Flight Performance of Hera TIRI and its Future Operation Plan
2025Open Access
Long-Term Variability of Mean Winds and Planetary-scale Waves around Venusian Cloud Top Observed with Akatsuki/UVI
2025Open Access
Skin-deep difference between Ryugu and Bennu driven by the microphysical evolution of surface materials
2025Open Access
Hayabusa2#’s (98943) Torifune flyby in July 2026: Rapid asteroid characterization using an already-flying spacecraft for planetary defense
2025Open Access
Temporal variation in the cloud-top temperature of Venus revealed by meteorological satellites
Earth Planets and Space·2025· 2 citedOpen Access
Automated vicarious radiometric validation of spaceborne thermal infrared sensors at non-dedicated validation sites using deep learning-based cloud filtering
International Journal of Applied Earth Observation and Geoinformation·2025Open Access
Temporal variation in the cloud-top temperature of Venus revealed by meteorological satellites
2025Open Access
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Frequent Co-authors

Manabu Yamada(29), Naru Hirata(26), Takeshi Imamura(24), Shingo Kameda(22), Seiji Sugita(22), Yukio Yamamoto(22), Naoya Sakatani(21), Tomokatsu Morota(19), Y. Yokota(19), Eri Tatsumi(18), Rie Honda(18), Kazunori Ogawa(18), M. Matsuoka(17), Tetsuya Fukuhara(17), Masato Nakamura(17), Sei‐ichiro Watanabe(16), Yuri Shimaki(16), Naoko Ogawa(16), Takanao Saiki(16), Yuichi Tsuda(16)