論文リスト
目次
- Results (Akatsuki's data are used for analysis)
- Results (Akatsuki's data are not used for analysis, but related to Akatsuki mission by Akatsuki team members)
- Review papers including results from Akatsuki data
- Data Pipeline
- Science Instruments
- Related to trajectory and orbits
- Operations for each system
- Technologies used in PLANET-C
- Project Overview
- Others
Results (Akatsuki's data are used for analysis)
- Richa N. Jain, R. K. Choudhary, Anil Bhardwaj, T. Imamura, Anshuman Sharma, Umang M. Parikh, Turbulence dynamics and flow speeds in the inner solar corona: results from radio-sounding experiments by the Akatsuki spacecraft, Monthly Notices of the Royal Astronomical Society, 525, 3730 - 3739, https://doi.org/10.1093/mnras/stad2491, 2023. Available online 2023-08-21.
- Hiroki Ando, Yukiko Fujisawa, Norihiko Sugimoto, Masahiro Takagi, Yoshihisa Matsuda, Cold Collar Reproduced by a Venus GCM With the Akatsuki Horizontal Wind Assimilation, Journal of Geophysical Research Planets, 128, e2022JE007689, https://doi.org/10.1029/2022JE007689, 2023. Available online 2023-04-14
- Keshav R. Tripathi, R. K. Choudhary, K. M. Ambili, Takeshi Imamura, Venusian Ionosphere During Deep Solar Minima: Some New Insights Using Akatsuki Radio Science Experiment, J. Geophys. Res. Planets, 128, e2023JE007768, https://doi.org/10.1029/2023JE007768, 2023. Available online 2023-04-07
- Makoto Taguchi, Toru Kouyama, Temma Sugawa, Shin-ya Murakami, Masahiko Futaguchi, In-orbit recalibration of Longwave Infrared Camera onboard Akatsuki, Earth, Planets and Space 75, 53, https://doi.org/10.1186/s40623-023-01803-w, 2023. (Open Access) Available online 2023-04-10
- J. Peralta, A. Cidadão, L. Morrone, C. Foster, M. Bullock, E. F. Young, I. Garate-Lopez, A. Sánchez-Lavega, T. Horinouchi, T. Imamura, E. Kardasis, A. Yamazaki, S. Watanabe, Venus cloud discontinuity in 2022. The first long-term study with uninterrupted observations, Astronomy and Astrophysics, 672, L2, https://doi.org/10.1051/0004-6361/202244822, 2023. (Open Access) Available online 2023-03-28
- Dexin Lai, Tao Li, Long-Term Variation of the Quasi-Five-Day Wave in the Top Layer of Venus Clouds, J. Geophys. Res. Planets, 128, e2022JE007596, https://doi.org/10.1029/2022JE007596, 2023. (Open Access) Available online 2023-03-22
- Shota Chiba, Takeshi Imamura, Munetoshi Tokumaru, Daikou Shiota, Takuma Matsumoto, Hiroki Ando, Hiroshi Takeuchi, Yasuhiro Murata, Atsushi Yamazaki, Bernd Häusler, Martin Pätzold, Correction to: Observation of the Solar Corona Using Radio Scintillation with the Akatsuki Spacecraft: Difference Between Fast and Slow Wind, Sol. Phys., 298, 38, https://doi.org/10.1007/s11207-023-02133-6, 2023. Available online 2023-03-03
- Keshav R. Tripathi, R. K. Choudhary, Jeslin S. Jose, K. M. Ambili, T. Imamura, Gravity Wave Modulations at the Lower Altitudes of Venus Ionosphere, Geophysical Research Letters, 50, e2022GL101793, https://doi.org/10.1029/2022GL101793, 2023. (Open Access) Available online 2023-02-16
- Takeshi Horinouchi, Takehiko Satoh, Javier Peralta, Gigantic Vortices From Barotropic Instability Observed in the Atmosphere of Venus, Geophysical Research Letters, 50, e2022GL101633, https://doi.org/10.1029/2022GL101633, 2023. (Open Access) Available online 2023-01-09
- Igor V. Khatuntsev, Marina V. Patsaeva, Dmitrij V. Titov, Ludmila V. Zasova, Nikolay I. Ignatiev, Dmitry A. Gorinov, Twelve-Year Cycle in the Cloud Top Winds Derived from VMC/Venus Express and UVI/Akatsuki Imaging, Atmosphere, 13(12), https://doi.org/10.3390/atmos13122023, 2022. (Open Access) Available online 2022-12-01
- K. M. Ambili, K. R. Tripathi, R. K. Choudhary, T. Imamura, On the origin and characteristic features of the V1 layer in Venus ionosphere using Akatsuki radio science experiment and the one-dimensional photochemical model, Monthly Notices of the Royal Astronomical Society, 516, 4, 5555–5562, https://doi.org/10.1093/mnras/stac2624, 2022. Available online 2022-09-15
- Yeon Joo Lee, Antonio García Muñoz, Atsushi Yamazaki, Eric Quémerais, Stefano Mottola, Stephan Hellmich, Thomas Granzer, Gilles Bergond, Martin Roth, Eulalia Gallego-Cano, Jean-Yves Chaufray, Rozenn Robidel, Go Murakami, Kei Masunaga, Murat Kaplan, Orhan Erece, Ricardo Hueso, Petr Kabáth, Magdaléna Špoková, Agustín Sánchez-Lavega, Myung-Jin Kim, Valeria Mangano, Kandis-Lea Jessup, Thomas Widemann, Ko-ichiro Sugiyama, Shigeto Watanabe, Manabu Yamada, Takehiko Satoh, Masato Nakamura, Masataka Imai, Juan Cabrera, Reflectivity of Venus's Dayside Disk During the 2020 Observation Campaign: Outcomes and Future Perspectives, The Planetary Science Journal, 3, 209, https://doi.org/10.3847/PSJ/ac84d1, 2022. (Open Access) Available online 2022-09-14
- Yukiko Fujisawa, Shin-ya Murakami, Norihiko Sugimoto, Masahiro Takagi, Takeshi Imamura, Takeshi Horinouchi, George L. Hashimoto, Masaki Ishiwatari, Takeshi Enomoto, Takemasa Miyoshi, Hiroki Kashimura, Yoshi-Yuki Hayashi, The first assimilation of Akatsuki single-layer winds and its validation with Venusian atmospheric waves excited by solar heating, Scientific Reports, 12, 14577, https://doi.org/10.1038/s41598-022-18634-6, 2022. (Open Access) Available online 2022-08-26
- Minori Narita, Takeshi Imamura, Yeon-Joo Lee, Shigeto Watanabe, Atsushi Yamazaki, Takehiko Satoh, Makoto Taguchi, Takao M. Sato, Tetsuya Fukuhara, Manabu Yamada, Toru Kouyama, Naomoto Iwagami, Correlation of Venusian Mesoscale Cloud Morphology Between Images Acquired at Various Wavelengths, J. Geophys. Res.: Planets, 127, e2022JE007228, https://doi.org/10.1029/2022JE007228, 2022. (Open Access) Available online 2022-05-30
- Keshav R. Tripathi, R. K. Choudhary, K. M. Ambili, T. Imamura, H. Ando, Characteristic features of V0 layer in the Venus ionosphere as observed by the Akatsuki orbiter: evidence for its presence during the local noon and post-sunset conditions, Geophys. Res. Lett., 49(7), e2022GL097824, https://doi.org/10.1029/2022GL097824, 2022. Available online 2022-03-24
- Shota Chiba, Takeshi Imamura, Munetoshi Tokumaru, Daikou Shiota, Takuma Matsumoto, Hiroki Ando, Hiroshi Takeuchi, Yasuhiro Murata, Atsushi Yamazaki, Bernd Häusler, Martin Pätzold, Observation of the Solar Corona Using Radio Scintillation with the Akatsuki Spacecraft: Difference Between Fast and Slow Wind, Sol. Phys., 297, 34, https://doi.org/10.1007/s11207-022-01968-9, 2022. Available online 2022-03-09
- Emmanuel Kardasis, Javier Peralta, Grigoris Maravelias, Masataka Imai, Anthony Wesley, Tiziano Olivetti, Yaroslav Naryzhniy, Luigi Morrone, Antonio Gallardo, Giovanni Calapai, Joaquin Camarena, Paulo Casquinha, Dzmitry Kananovich, Niall MacNeill, Christian Viladrich, Alexia Takoudi, Amateur Observers Witness the Return of Venus’ Cloud Discontinuity, Atmosphere 2022, 13(2), 348, https://doi.org/10.3390/atmos13020348, 2022. (Open Access) Available online 2022-02-18
- Kiichi Fukuya, Takeshi Imamura, Makoto Taguchi, Toru Kouyama, Horizontal structures of bow-shaped mountain wave trains seen in thermal infrared images of Venusian clouds taken by Akatsuki LIR, Icarus, 378, 114936, https://doi.org/10.1016/j.icarus.2022.114936, 2022. Available online 2022-02-06
- Naoya Kajiwara, Takeshi Imamura, Makoto Taguchi, Toru Kouyama, Planetary-Scale Waves Seen in Thermal Infrared Images of Venusian Cloud Top, J. Geophys. Res.: Planets, 126, e2021JE007047, https://doi.org/10.1029/2021JE007047, 2021. (Open Access) Available online 2021-12-03
- Masahiro Akiba, Makoto Taguchi, Tetsuya Fukuhara, Takeshi Imamura, Toru Kouyama, Takao M. Sato, Thermal tides in the upper cloud layer of Venus as deduced from the emission angle dependence of the brightness temperature by Akatsuki/LIR, J. Geophys. Res.: Planets, 126, e2020JE006808, https://doi.org/10.1029/2020JE006808, 2021. (Open Access) Available online 2021-10-10
- Ryota Mori, Takeshi Imamura, Hiroki Ando, Bernd Häusler, Martin Pätzold, Silvia Tellmann, Gravity Wave Packets in the Venusian Atmosphere Observed by Radio Occultation Experiments: Comparison With Saturation Theory, J. Geophys. Res.: Planets, 126, e2021JE006912, https://doi.org/10.1029/2021JE006912, 2021. (Open Access) Available online 2021-08-28
- Kiichi Fukuya, Takeshi Imamura, Makoto Taguchi, Tetsuya Fukuhara, Toru Kouyama, Takeshi Horinouchi, Javier Peralta, Masahiko Futaguchi, Takeru Yamada, Takao M. Sato, Atsushi Yamazaki, Shin-ya Murakami, Takehiko Satoh, Masahiro Takagi, Masato Nakamura, Unveiling of nightside cloud-top circulation of Venus atmosphere, Nature, 595, 511-515, https://doi.org/10.1038/s41586-021-03636-7, 2021. Available online 2021-07-21
- Emmanuel Marcq, Franck Montmessin, Jérémie Lasue, Bruno Bézard, Kandis L. Jessup, Yeon Joo Lee, Colin F.Wilson, Benjamin Lustrement, Nicolas Rouanet, Gabriel Guignan, Instrumental requirements for the study of Venus' cloud top using the UV imaging spectrometer VeSUV, Adv. Space Res., 68, 275-291, https://doi.org/10.1016/j.asr.2021.03.012, 2021. Available online 2021-03-24
- Lee, Y. J., A. García Muñoz, A. Yamazaki, M. Yamada, S. Watanabe, T. Encrenaz, Investigation of UV absorbers on Venus using the 283 and 365 nm phase curves obtained from Akatsuki, Geophysical Research Letters, 48, e2020GL090577, https://doi.org/10.1029/2020GL090577, 2021. (Open Access) Available online 2021-03-15
- Lee, Y. J., A. García Muñoz, T. Imamura, M. Yamada, T. Satoh, A. Yamazaki, S. Watanabe, Brightness modulations of our nearest terrestrial planet Venus reveal atmospheric super-rotation rather than surface features, Nature Communications, 11, 5720, https://doi.org/10.1038/s41467-020-19385-6, 2020. (Open Access) Available online 2020-11-12
- Takehiko Satoh, Choon Wei Vun, Masafumi Kimata, Takeshi Horinouchi, Takao M. Sato, Venus night-side photometry with "cleaned" Akatsuki/IR2 data: Aerosol properties and variations of carbon monoxide, Icarus, 355, 114134, https://doi.org/10.1016/j.icarus.2020.114134, 2021. (Open Access) Available online 2020-10-06
- Lee, Y. J., P. Kopparla, J. Peralta, S. E. Schröder, T. Imamura, T. Kouyama, S. Watanabe, Spatial and Temporal Variability of the 365-nm Albedo of Venus Observed by the Camera on Board Venus Express, J. Geophys. Res.: Planets, 125, e2019JE006271, https://doi.org/10.1029/2019JE006271, 2020. (Open Access) Available online 2020-05-28
- Peralta, J., T. Navarro, C. W. Vun, A. Sánchez-Lavega, K. McGouldrick, T. Horinouchi, T. Imamura, R. Hueso, J. P. Boyd, G. Schubert, T. Kouyama, T. Satoh, N. Iwagami, E. F. Young, M. A. Bullock, P. Machado, Y. J. Lee, S. S. Limaye, M. Nakamura, S. Tellmann, A. Wesley, P. Miles, A Long-Lived Sharp Disruption on the Lower Clouds of Venus, Geophysical Research Letters, 47, e2020GL087221, https://doi.org/10.1029/2020GL087221, 2020. (Open Access) Available online on 2020-05-27
- Horinouchi, T., Y.-Y. Hayashi, S. Watanabe, M Yamada, A. Yamazaki, T. Kouyama, M. Taguchi, T. Fukuhara, M. Takagi, K. Ogohara, S. Murakami, J. Peralta, S. S. Limaye, T. Imamura, M. Nakamura, T. M. Sato, T. Satoh, How waves and turbulence maintain the super-rotation of Venus’ atmosphere, Science, 368, 405-409, https://doi.org/10.1126/science.aaz4439, 2020. Available online 2020-04-23
- Nara. Y., T. Imamura, K. Masunaga, Y. J. Lee, N. Terada, K. Yoshioka, A. Yamazaki, K. Seki, I. Yoshikawa, M. Yamada, S. Watanabe, Vertical coupling between the cloud-level atmosphere and the thermosphere of Venus inferred from the simultaneous observations by Hisaki and Akatsuki, J. Geophys. Res.: Planets, 125, e2019JE006192, https://doi.org/10.1029/2019JE006192, 2020. Available online 2020-03-10
- Ando, H., T. Imamura, S. Tellmann, M. Pätzold, B. Häusler, N. Sugimoto, M. Takagi, H. Sagawa, S. Limaye, Y. Matsuda, R. Kumar Choudhary, M. Antonita, Thermal structure of the Venusian atmosphere from the sub-cloud region to the mesosphere as observed by radio occultation, Scientific Reports, 10, 3448, https://doi.org/10.1038/s41598-020-59278-8, 2020. (Open Access) Available online 2020-02-26
- Sato, T. M., T. Satoh, H. Sagawa, N. Manago, Y. J. Lee, S. Murakami, K. Ogohara, G. L. Hashimoto, Y. Kasaba, A. Yamazaki, M. Yamada, S. Watanabe, T. Imamura, M. Nakamura, Dayside cloud top structure of Venus retrieved from Akatsuki IR2 observations, Icarus, 345, 113682, https://doi.org/10.1016/j.icarus.2020.113682, 2020. Available online 2020-02-11
- Imai, M., T. Kouyama, Y. Takahashi, A. Yamazaki, S. Watanabe, M. Yamada, T. Imamura, T. Satoh, M. Nakamura, S. Murakami, K. Ogohara, T. Horinouchi, Planetary-scale variations in winds and UV brightness at the Venusian cloud top: Periodicity and temporal evolution, J. Geophys. Res.:Planets, 124, https://doi.org/10.1029/2019JE006065, 2019. (Open Access) Available online 2019-10-02
- Lee, Y.-J., K.-L. Jessup, S. Perez-Hoyos, D. V. Titov, S. Lebonnois, J. Peralta, T. Horinouchi, T. Imamura, S. Limaye, E. Marcq, M. Takagi, A. Yamazaki, M. Yamada, S. Watanabe, S. Murakami, K. Ogohara, W. M. McClintock, G. Holsclaw, A. Roman, Long-term Variations of Venus's 365 nm Albedo Observed by Venus Express, Akatsuki, MESSENGER, and the Hubble Space Telescope, AJ, 158, 126, https://doi.org/10.3847/1538-3881/ab3120, 2019. (Open Access) Available online 2019-08-26
- Gonçalves, R., P. Machado, T. Widemann, J. Peralta, S. Watanabe, A. Yamazaki, T. Satoh, M Takagi, K. Ogohara, Y.-J. Lee, A Harutyunyan, J. Silva, Venus' cloud top wind study: coordinated Akatsuki/UVI with cloud tracking and TNG/HARPS-N with Doppler velocimetry observations, Icarus, 335, 113418, https://doi.org/10.1016/j.icarus.2019.113418, 2019. Available online 2019-08-23
- Kouyama, T., M. Taguchi, T. Fukuhara, T. Imamura, T. Horinouchi, T. M. Sato, S. Murakami, G. L. Hashimoto, Y.-J. Lee, M. Futaguchi, T. Yamada, M. Akiba, T. Satoh, M. Nakamura, Global structure of thermal tides in the upper cloud layer of Venus revealed by LIR onboard Akatsuki, Geophys. Res. Lett., 46, 9457-9465, https://doi.org/10.1029/2019GL083820, 2019. (Open Access) Available online 2019-08-21
- Lorenz, R. D., M. Imai, Y. Takahashi, M. Sato, A. Yamazaki, T. M. Sato, T. Imamura, T. Satoh, M. Nakamura, Constraints on Venus Lightning from Akatsuki's first Three Years in Orbit, Geophys. Res. Lett., 46, 7955-7961, https://doi.org/10.1029/2019GL083311, 2019. Available online 2019-07-03
- Kopparla, P., Y.-J. Lee, T. Imamura, A. Yamazaki, Principal components of short-term variability in the ultraviolet albedo of Venus, A&A, 626, A30, https://doi.org/10.1051/0004-6361/201935388, 2019. Available online 2019-06-06
- Peralta, J., A. Sánchez-Lavega, T. Horinouchi, K. McGouldrick, I. Garate-Lopez, E. F. Young, M. A. Bullock, Y.-J. Lee, T. Imamura, T. Satoh, S. S. Limaye, New cloud morphologies discovered on the Venus's night during Akatsuki, Icarus, 333, 177-182, https://doi.org/10.1016/j.icarus.2019.05.026, 2019. (Open Access) Available online 2019-05-30
- Kitahara, T., T. Imamura, T. M. Sato, A. Yamazaki, Y.-J. Lee, M. Yamada, S. Watanabe, M. Taguchi, T. Fukuhara, T. Kouyama, S. Murakami, G. L. Hashimoto, K. Ogohara, H. Kashimura, T. Horinouchi, M. Takagi, Stationary features at the cloud top of Venus observed by Ultraviolet Imager onboard Akatsuki, J. Geophys. Res.:Planets, 124, 1266-1281, https://doi.org/10.1029/2018JE005842, 2019. (Open Access) Available online 2019-04-23
- Encrenaz, T., T. K. Greathouse, E. Marcq, H. Sagawa, T. Widemann, B. Bézard, T. Fouchet, F. Lefèvre, S. Lebonnois, S. K. Atreya, Y. J. Lee, R. Giles, S. Watanabe, HDO and SO2 thermal mapping on Venus, A&A, 623, A70, https://doi.org/10.1051/0004-6361/201833511, 2019. (Open Access) Available online 2019-03-07
- Peralta, J., N. Iwagami, A. Sánchez-Lavega, Y.-J. Lee, R. Hueso, M. Narita, T. Imamura, P. Miles, A. Wesley, E. Kardasis, S. Takagi, Morphology and Dynamics of Venus's Middle Clouds With Akatsuki/IR1, Geophys. Res. Lett., 46, 2399-2407, https://doi.org/10.1029/2018GL081670, 2019. (Open Access), Post in AGU Blogosphere Available online 2019-02-22
- Singh, D., Venus nightside surface temperature, Scientific Reports, 9:1137, https://doi.org/10.1038/s41598-018-38117-x, 2019. URL (Open Access) Available online 2019-02-04
- Kashimura, H., N. Sugimoto, M. Takagi, Y. Matsuda, W. Ohfuchi, T. Enomoto, K. Nakajima, M. Ishiwatari, T. M. Sato, G. L. Hashimoto, T. Satoh, Y. O. Takahashi, Y.-Y. Hayashi, Planetary-scale streak structure reproduced in high-resolution simulations of the Venus atmosphere with a low-stability layer, Nature Communications, 10, Article number: 23, https://doi.org/10.1038/s41467-018-07919-y, 2019. (Open Access), Press Release (ISAS/JAXA, in Japanese), Press Release (ISAS/JAXA, in English), Press Release (Kobe Univ., in Japanese), Press Release (Kobe Univ., in English) Available online 2019-01-09
- Peralta, J., K. Muto, R. Hueso, T. Horinouchi, A. Sánchez-Lavega, S. Murakami, P. Machado, E. F. Young, Y.-J. Lee, T. Kouyama, H. Sagawa, K. McGouldrick, T. Satoh, T. Imamura, S. S. Limaye, T. M. Sato, K. Ogohara, M. Nakamura, D. Luz, Nightside Winds at the Lower Clouds of Venus with Akatsuki/IR2: Longitudinal, Local Time, and Decadal Variations from Comparison with Previous Measurements, The Astrophysical Journal Supplement Series, 239, 29, https://doi.org/10.3847/1538-4365/aae844, 2018. (Open Access) Available online 2018-12-07
- Yamamoto, M., K. Ikeda, M. Takahashi, T. Horinouchi, Solar-locked and geographical atmospheric structures inferred from a Venus general circulation model with radiative transfer, Icarus, 321, 232-250, https://doi.org/10.1016/j.icarus.2018.11.015, 2019. (Open Access) Available online 2018-11-20
- Limaye, S. S., D. Grassi, A. Mahieux, A. Migliorini, S. Tellmann, D. Titov, Venus Atmospheric Thermal Structure and Radiative Balance, Space Sci. Rev., 214:102, https://doi.org/10.1007/s11214-018-0525-2, 2018. (Open Access) Available online 2018-08-13
- Imamura, T., M. Miyamoto, H. Ando, B. Häusler, M. Pätzold, S. Tellmann, T. Tsuda, Y. Aoyama, Y. Murata, H. Takeuchi, A. Yamazaki, T. Toda, A. Tomiki, Fine Vertical Structures at the Cloud Heights of Venus Revealed by Radio Holographic Analysis of Venus Express and Akatsuki Radio Occultation Data, J. Geophys. Res: Planets, 123, 2151-2161, https://doi.org/10.1029/2018JE005627, 2018. Available online 2018-08-06
- Ando, H., M. Takagi, T. Fukuhara, T. Imamura, N. Sugimoto, H. Sagawa, K. Noguchi, S. Tellmann, M. Pätzold, B. Häusler, Y. Murata, H. Takeuchi, A. Yamazaki, T. Toda, A. Tomiki, R. Choudhary, K. Kumar, G. Ramkumar, M. Antonita, Local Time Dependence of the Thermal Structure in the Venusian Equatorial Upper Atmosphere: Comparison of Akatsuki Radio Occultation Measurements and GCM Results, J. Geophys. Res: Planets, 123, 2270-2280, https://doi.org/10.1029/2018JE005640, 2018. Available online 2018-07-26
- Takahashi, Y., M. Sato, M. Imai, R. Lorenz, Y. Yair, K. Aplin, G. Fischer, M. Nakamura, N. Ishii, T. Abe, T. Satoh, T. Imamura, C. Hirose, M. Suzuki, G. L. Hashimoto, N. Hirata, A. Yamazaki, T. M. Sato, M. Yamada, S. Murakami, Y. Yamamoto, T. Fukuhara, K. Ogohara, H. Ando, K. Sugiyama, H. Kashimura, S. Ohtsuki, Initiation of a lightning search using the lightning and airglow camera onboard the Venus orbiter Akatsuki, Earth, Planets and Space, 70, 88, https://doi.org/10.1186/s40623-018-0836-2, 2018. (Open Access) Available online 2018-05-25
- Limaye, S. S., S. Watanabe, A. Yamazaki, M. Yamada, T. Satoh, T. M. Sato, M. Nakamura, M. Taguchi, T. Fukuhara, T. Imamura, T. Kouyama, Y.-J. Lee, T. Horinouchi, J. Peralta, N. Iwagami, G. L. Hashimoto, S. Takagi, S. Ohtsuki, S. Murakami, Y. Yamamoto, K. Ogohara, H. Ando, K. Sugiyama, N. Ishii, T. Abe, C. Hirose, M. Suzuki, N. Hirata, E. F. Young, A. C. Ocampo, Venus looks different from day to night across wavelengths: morphology from Akatsuki multispectral images, Earth, Planets and Space, 70, 24, https://doi.org/10.1186/s40623-018-0789-5, 2018. (Open Access) Available online 2018-02-12
- Yamazaki, A., M. Yamada, Y.-J. Lee, S. Watanabe, T. Horinouchi, S. Murakami, T. Kouyama, K. Ogohara, T. Imamura, T. M. Sato, Y. Yamamoto, T. Fukuhara, H. Ando, K. Sugiyama, S. Takagi, H. Kashimura, S. Ohtsuki, N. Hirata, G. L. Hashimoto, M. Suzuki, C. Hirose, M. Ueno, T. Satoh, T. Abe, N. Ishii, M. Nakamura, Ultraviolet imager on Venus orbiter Akatsuki and its initial results, Earth, Planets and Space, 70, 23, https://doi.org/10.1186/s40623-017-0772-6, 2018. (Open Access) Available online 2018-02-12
- Horinouchi, T., T. Kouyama, Y. J. Lee, S. Murakami, K. Ogohara, M. Takagi, T. Imamura, K. Nakajima, J. Peralta, A. Yamazaki, M. Yamada, S. Watanabe, Mean winds at the cloud top of Venus obtained from two-wavelength UV imaging by Akatsuki, Earth, Planets and Space, 70, 10, https://doi.org/10.1186/s40623-017-0775-3, 2018. (Open Access) Available online 2018-01-15
- Iwagami, N., T. Sakanoi, G. L. Hashimoto, K. Sawai, S. Ohtsuki, S. Takagi, K. Uemizu, M. Ueno, S. Kameda, S. Murakami, M. Nakamura, N. Ishii, T. Abe, T. Satoh, T. Imamura, C. Hirose, M. Suzuki, N. Hirata, A. Yamazaki, T. M. Sato, M. Yamada, Y. Yamamoto, T. Fukuhara, K. Ogohara, H. Ando, K. Sugiyama, H. Kashimura, T. Kouyama, Initial products of Akatsuki 1-μm camera, Earth, Planets and Space, 70, 6, https://doi.org/10.1186/s40623-017-0773-5, 2018. (Open Access) Available online 2018-01-11
- Kouyama, T., T. Imamura, M. Taguchi, T. Fukuhara, T. M. Sato, A. Yamazaki, M. Futaguchi, S. Murakami, G. L. Hashimoto, M. Ueno, N. Iwagami, S. Takagi, M. Takagi, K. Ogohara, H. Kashimura, T. Horinouchi, N. Sato, M. Yamada, Y. Yamamoto, S. Ohtsuki, K. Sugiyama, H. Ando, M. Takamura, T. Yamada. T. Satoh, M. Nakamura, Topographical and Local Time Dependence of Large Stationary Gravity Waves Observed at the Cloud Top of Venus, Geophys. Res. Lett., 44, 12,98-12,105, https://doi.org/10.1002/2017GL075792, 2017. Available online 2017-12-04
- Imamura, T., H. Ando, S. Tellmann, M. Pätzold, B. Häusler, A. Yamazaki, T. M. Sato, K. Noguchi, Y. Futaana, J. Oschlisniok, S. Limaye, R. K. Choudhary, Y. Murata, H. Takeuchi, C. Hirose, T. Ichikawa, T. Toda, A. Tomiki, T. Abe, Z. Yamamoto, H. Noda, T. Iwata, S. Murakami, T. Satoh, T. Fukuhara, K. Ogohara, K. Sugiyama, H. Kashimura, S. Ohtsuki, S. Takagi, Y. Yamamoto, N. Hirata, G. L. Hashimoto, M. Yamada, M. Suzuki, N. Ishii, T. Hayashiyama, Y. J. Lee, M. Nakamura, Initial performance of the radio occultation experiment in the Venus orbiter mission Akatsuki, Earth, Planets and Space, 69, 137, https://doi.org/10.1186/s40623-017-0722-3, 2017. (Open Access) Available online 2017-10-03
- Horinouchi, T., S. Murakami, T. Satoh, J. Peralta, K. Ogohara, T. Kouyama, T. Imamura, H. Kashimura, S. S. Limaye, K. McGouldrick, M. Nakamura, T. M. Sato, K. Sugiyama, M. Takagi, S. Watanabe, M. Yamada, A. Yamazaki, E. F. Young, Corrigendum: Equatorial jet in the lower to middle cloud layer of Venus revealed by Akatsuki, Nature Geoscience, 10, 798, https://doi.org/10.1038/ngeo3034, 2017. Available online 2017-08-28
- Horinouchi, T., S. Murakami, T. Satoh, J. Peralta, K. Ogohara, T. Kouyama, T. Imamura, H. Kashimura, S. S. Limaye, K. McGouldrick, M. Nakamura, T. M. Sato, K. Sugiyama, M. Takagi, S. Watanabe, M. Yamada, A. Yamazaki, E. F. Young, Equatorial jet in the lower to middle cloud layer of Venus revealed by Akatsuki, Nature Geoscience, 10, 646-651, https://doi.org/10.1038/ngeo3016, 2017. Press Release (JAXA, in Japanese), Press Release (Hokkaido Univ., in Japanese) Available online 2017-08-28
- Lee, Y. J., A. Yamazaki, T. Imamura, M. Yamada, S. Watanabe, T. M. Sato, K. Ogohara, G. L. Hashimoto, S. Murakami, Scattering Properties of the Venusian Clouds Observed by the UV Imager on board Akatsuki, The Astronomical Journal, 154, 44 (16pp), https://doi.org/10.3847/1538-3881/aa78a5, 2017. Available online 2017-07-06
- Fukuhara, T., M. Futaguchi, G. L. Hashimoto, T. Horinouchi, T. Imamura, N. Iwagami, T. Kouyama, S. Murakami, M. Nakamura, K. Ogohara, M. Sato, T. M. Sato, M. Suzuki, M. Taguchi, S. Takagi, M. Ueno, S. Watanabe, M. Yamada, A. Yamazaki, Large stationary gravity wave in the atmosphere of Venus, Nature Geoscience, 10, 85-88, https://doi.org/10.1038/ngeo2873, 2017. Press Release (ISAS/JAXA, in Japanese) Press Release (Rikkyo Univ., in Japanese) Available online 2017-01-16
- Ando, H., D. Shiota, T. Imamura, M. Tokumaru, A. Asai, H. Isobe, M. Päzold, B. Häusler, M. Nakamura, Internal structure of a coronal mass ejection revealed by Akatsuki radio occultation observations, J. Geophys. Res., 120, 5318-5328, https://doi.org/10.1002/2015JA021076, 2015. Available online 2015-06-25
- Satoh, T., S. Ohtsuki, N. Iwagami, M. Ueno, K. Uemizu, M. Suzuki, G. L. Hashimoto, T. Sakanoi, Y. Kasaba, R. Nakamura, T. Imamura, M. Nakamura, T. Fukuhara, A. Yamazaki, M. Yamada, Venus' clouds as inferred from the phase curves acquired by IR1 and IR2 on board Akatsuki, Icarus, 248, 213-220, https://doi.org/10.1016/j.icarus.2014.10.030, 2015. Available online 2014-10-28
- Miyamoto, M., T. Imamura, M. Tokumaru, H. Ando, H. Isobe, A. Asai, D. Shiota, T. Toda, B. Häusler, M. Pätzold, A. Nabatov, M. Nakamura, Radial distribution of compressive waves in the solar corona revealed by Akatsuki radio occultation observations, Astrophys. J., 797, 51, https://doi.org/10.1088/0004-637X/797/1/51, 2014. Available online 2014-11-25
- Imamura, T., M. Tokumaru, H. Isobe, D. Shiota, H. Ando, M. Miyamoto, T. Toda, B. Häusler, M. Pätzold, A. Nabatov, A. Asai, K. Yaji, M. Yamada, M. Nakamura, Outflow structure of the quiet Sun corona probed by spacecraft radio scintillations in strong scattering, Astrophys. J., 788, 117, https://doi.org/10.1088/0004-637X/788/2/117, 2014. Available online 2014-05-29
- Taguchi, M. T. Fukuhara, M. Futaguchi, M. Sato, T. Imamura, K. Mitsuyama, M. Nakamura, M. Ueno, M. Suzuki, N. Iwagami, G. L. Hashimoto, Characteristic features in Venus' nightside cloud-top temperature obtained by Akatsuki/LIR, Icarus, 219, 502-509, https://doi.org/10.1016/j.icarus.2012.01.024, 2012. Available online 2012-02-09
Results (Akatsuki's data are not used for analysis, but related to Akatsuki mission by Akatsuki team members)
- Anna Suzuki, Hiroki Ando, Masahiro Takagi, Yasumitsu Maejima, Norihiko Sugimoto, Yoshihisa Matsuda, Dependency of the vertical propagation of mountain waves on the zonal wind and the static stability in the lower Venusian atmosphere, Icarus, https://doi.org/10.1016/j.icarus.2023.115615, 2023. Available online 2023-05-12
- Norihiko Sugimoto, Yukiko Fujisawa, Nobumasa Komori, Hiroki Ando, Toru Kouyama, Masahiro Takagi, Akatsuki LIR observing system simulation experiments evaluated by thermal tides in the Venus atmosphere, Geoscience Letters, 9, 44, https://doi.org/10.1186/s40562-022-00253-8, 2022. (Open Access) Available online 2022-11-16
- Hiroki Ando, Koutarou Takaya, Masahiro Takagi, Norihiko Sugimoto, Takeshi Imamura, Hideo Sagawa, Silvia Tellmann, Martin Pätzold, Yoshihisa Matsuda, Bernd Häusler, Sanjay Limaye, Raj Kumar Choudhary, Maria Antonita, Dynamical Effect on Static Stability of the Venus Atmosphere Simulated Using a General Circulation Model: A Comparison With Radio Occultation Measurements, J. Geophys. Res. Planets, 127, e2021JE006957, https://doi.org/10.1029/2021JE006957, 2022. Available online 2022-03-15
- Mangano, V., Dósa, M., Fränz, M., Milillo, A., Oliveira, J. S., Lee, Y. J., McKenna-Lawlor, S., Grassi, D., Heyner, D., Kozyrev, A. S., Peron, R., Helbert, J., Besse, S., de la Fuente, S., Montagnon, E., Zender, J., Volwerk, M., Chaufray, J.-Y., Slavin, J. A., Krüger, H., Maturilli, A., Cornet, T., Iwai, K., Miyoshi, Y., Lucente, M., Massetti, S., Schmidt, C. A., Dong, C., Quarati, F., Hirai, T., Varsani, A., Belyaev, D., Zhong, J., Kilpua, E. K. J., Jackson, B. V., Odstrcil, D., Plaschke, F., Vainio, R., Jarvinen, R., Ivanovski, S. L., Madár, Á, Erdős, G., Plainaki, C., Alberti, T., Aizawa, S., Benkhoff, J., Murakami, G., Quemerais, E., Hiesinger, H., Mitrofanov, I. G., Iess, L., Santoli, F., Orsini, S., Lichtenegger, H., Laky, G., Barabash, S., Moissl, R., Huovelin, J., Kasaba, Y., Saito, Y., Kobayashi, M., Baumjohann, W., BepiColombo Science Investigations During Cruise and Flybys at the Earth, Venus and Mercury, Space Sci. Rev., 217, 23, https://doi.org/10.1007/s11214-021-00797-9, 2021. (Open Access) Available online 2021-02-11
- Kopparla, P., A. Seshadri, T. Imamura, Y. J. Lee, A recharge oscillator model for interannual variability in Venus' clouds, J. Geophys. Res.: Planets, 125, e2020JE006568, https://doi.org/10.1029/2020JE006568, 2020. Available online 2020-10-28
- Yamada, T., T. Imamura, T. Fukuhara, M. Taguchi, Influence of the cloud-level neutral layer on the vertical propagation of topographically generated gravity waves on Venus, Earth, Planets and Space, 71, 123, https://doi.org/10.1186/s40623-019-1106-7, 2019. (Open Access) Available online 2019-11-20
- Sugimoto, N., T. Kouyama, M. Takagi, Impact of Data Assimilation on Thermal Tides in the Case of Venus Express Wind Observation, Geophys. Res. Lett., 46, 4573-4580, https://doi.org/10.1029/2019GL082700, 2019. Available online 2019-04-16
- Nara, Y., T. Imamura, S. Murakami, T. Kouyama, K. Ogohara, M. Yamada, M. Takagi, H. Kashimura, N. Sato, Formation of the Y feature at the Venusian cloud top by planetary-scale waves and the mean circulation: analysis of Venus Express VMC images, J. Geophys. Res.:Planets, 124, 1143-1156, https://doi.org/10.1029/2018JE005779, 2019. Available online 2019-04-09
- Taylor, F. W., H. Svedhem, J. W. Head III, Venus: The Atmosphere, Climate, Surface, Interior and Near-Space Environment of an Earth-Like Planet, Space Sci. Rev., 214:35, https://doi.org/10.1007/s11214-018-0467-8, 2018. (Open Access) Available online 2018-01-23
- Takagi, M., N. Sugimoto, H. Ando, Y. Matsuda, Three‐Dimensional Structures of Thermal Tides Simulated by a Venus GCM, J. Geophys. Res.:Planets, 123, 335-352, https://doi.org/10.1002/2017JE005449, 2018. Available online 2018-01-05
- Lorenz, R. D., D. Crisp, L. Huber, Venus atmospheric structure and dynamics from the VEGA lander and balloons: New results and PDS archive, Icarus, 305, 277-283, https://doi.org/10.1016/j.icarus.2017.12.044, 2018, Available online 2017-12-27
- McGouldrick, K., Effects of variation in coagulation and photochemistry parameters on the particle size distributions in the Venus clouds, Earth, Planets and Space, 69, 161, https://doi.org/10.1186/s40623-017-0744-x, 2017. (Open Access) Available online 2017-12-01
- Peralta, J., Y. J. Lee, K. McGouldrick, H. Sagawa, A. Sánchez-Lavega, T. Imamura, T. Widemann, M. Nakamura, Overview of useful spectral regions for Venus: An update to encourage observations complementary to the Akatsuki mission, Icarus, 288, 235-239, https://doi.org/10.1016/j.icarus.2017.01.027, 2017. Available online 2017-02-09
- Sánchez-Lavega, A., J. Peralta, J. M. Gomez-Forrellad, R. Hueso, S. Pérez-Hoyos, I. Mendikoa, J. F. Rojas, T. Horinouchi, Y. J. Lee, S. Watanabe, Venus cloud morphology and motions from ground-based images at the time of the Akatsuki orbit insertion, The Astrophysical Journal Letters, 833, L7, https://doi.org/10.3847/2041-8205/833/1/L7, 2016. Available online 2016-10-03
- Navarro, T., G. Schubert, S. Lebonnois, Author Correction: Atmospheric mountain wave generation on Venus and its influence on the solid planet’s rotation rate, Nature Geoscience, https://doi.org/10.1038/s41561-018-0257-7, 2018. Available online 2018-10-15
- Navarro, T., G. Schubert, S. Lebonnois, Atmospheric mountain wave generation on Venus and its influence on the solid planet’s rotation rate, Nature Geoscience, https://doi.org/10.1038/s41561-018-0157-x, 2018. Available online 2018-06-18
- Peralta, J., R. Hueso, A. Sánchez-Lavega, Y. J. Lee, A. García Muñoz, T. Kouyama, H. Sagawa, T. M. Sato, G. Piccioni, S. Tellmann, T. Imamura, T. Satoh, Stationary waves and slowly moving features in the night upper clouds of Venus, Nature Astronomy 1, 0187, https://doi.org/10.1038/s41550-017-0187, 2017. Press Release (JAXA), Press Release (ESA) Available online 2017-07-24
- Peralta, J., Y. J. Lee, R. Hueso, R. T. Clancy, B. J. Sandor, A. Sánchez-Lavega, E. Lellouch, M. Rengel, P. Machado, M. Omino, A. Piccialli, T. Imamura, T. Horinouchi, S. Murakami, K. Ogohara, D. Luz, D. Peach, Venus's winds and temperatures during the MESSENGER's flyby: An approximation to a three-dimensional instantaneous state of the atmosphere, Geophys. Res. Lett., 44, 3907-3915, https://doi.org/10.1002/2017GL072900, 2017. (Open Access) Available online 2017-04-05
- Sugimoto, N., A. Yamazaki, T. Kouyama, H. Kashimura, T. Enomoto, M. Takagi, Development of an ensemble Kalman filter data assimilation system for the Venusian atmosphere, Scientific Reports, 7, 9321, https://doi.org/10.1038/s41598-017-09461-1, 2017. Available online 2017-08-24
- Ando, H., T. Imamura, N. Sugimoto, M. Takagi, H. Kashimura, S. Tellmann, M. Pätzold, B. Häusler, Y. Matsuda, Vertical structure of the axi-asymmetric temperature disturbance in the Venusian polar atmosphere: Comparison between radio occultation measurements and GCM results, J. Geophys. Res., 122, 1687-1703, https://doi.org/10.1002/2016JE005213, 2017. Available online 2017-07-20
- Peralta, J., M. A. López-Valverde, G. Gilli, A. Piccialli, Dayside temperatures in the Venus upper atmosphere from Venus Express/VIRTIS nadir measurements at 4.3 μm, Astronomy & Astrophysics, 585, A53, https://doi.org/10.1051/0004-6361/201527191, 2016. (Open Access) Available online 2015-12-17
- Ando, H., N. Sugimoto, M. Takagi, H. Kashimura, T. Imamura, Y. Matsuda, The puzzling Venusian polar atmospheric structure reproduced by a general circulation model, Nature Communications, 7, 10398, https://doi.org/10.1038/ncomms10398, 2016. Available online 2016-02-01
- Kouyama, T., A. Yamazaki, M. Yamada, T. Imamura, A method to estimate optical distortion using planetary images, Planet. Space Sci., 86, 86-90, https://doi.org/10.1016/j.pss.2013.06.027, 2013. Available online 2013-07-13
- Kouyama, T., T. Imamura, M. Nakamura, T. Satoh, Y. Futaana, Long-term variation in the cloud-tracked zonal velocities at the cloud top of Venus deduced from Venus Express VMC images, J. Geophys. Res. Planets 118, 37-46, https://doi.org/10.1029/2011JE004013, 2013. Available online 2013-01-30
- Kouyama, T., T. Imamura, M. Nakamura, T. Satoh, Y. Futaana, Horizontal structure of planetary-scale waves at the cloud top of Venus deduced from Galileo SSI images with an improved cloud-tracking technique, Planet. Space Sci., 60, 207-216, https://doi.org/10.1016/j.pss.2011.08.008, 2012. Available online 2011-09-06
Review papers including results from Akatsuki data
- Imamura, T., J. Mitchell, S. Lebonnois, Y. Kaspi, A. P. Showman, O. Korablev, Superrotation in Planetary Atmospheres, Space Sci. Rev., 216, 87, (2020). https://doi.org/10.1007/s11214-020-00703-9, 2020. (Open Access) Available online 2020-07-01
- Lorenz, R. D., Lightning detection on Venus: a critical review, Progress in Earth and Planetary Science, 5:34, https://doi.org/10.1186/s40645-018-0181-x, 2018. (Open Access) Available online 2018-06-20
- Sánchez-Lavega, A., S. Lebonnois, T. Imamura, P. Read, D. Luz, The Atmospheric Dynamics of Venus, Space Sci. Rev., 212, 1541-1616, https://doi.org/10.1007/s11214-017-0389-x, 2017. Available online 2017-08-01
Data Pipeline
- Ogohara, K., M. Takagi, S. Murakami, T. Horinouchi, M. Yamada, T. Kouyama, G. L. Hashimoto, T. Imamura, Y. Yamamoto, H. Kashimura, N. Hirata, N. Sato, A. Yamazaki, T. Satoh, N. Iwagami, M. Taguchi, S. Watanabe, T. M. Sato, S. Ohtsuki, T. Fukuhara, M. Futaguchi, T. Sakanoi, S. Kameda, K. Sugiyama, H. Ando, Y. J. Lee, M. Nakamura, M. Suzuki, C. Hirose, N. Ishii, T. Abe, Overview of Akatsuki data products: definition of data levels, method and accuracy of geometric correction, Earth, Planets and Space, 69, 167, https://doi.org/10.1186/s40623-017-0749-5, 2017. (Open Access) Available online 2017-12-12
- Horinouchi, T., S. Murakami, T. Kouyama, K. Ogohara, A. Yamazaki, M. Yamada, S. Watanabe, Image velocimetry for clouds with relaxation labeling based on deformation consistency, Meas. Sci. Technol., 28, 085301, https://doi.org/10.1088/1361-6501/aa695c, 2017. (Open Access) Available online 2017-07-10
- Ikegawa, S., T. Horinouchi, Improved automatic estimation of winds at the cloud top of Venus using superposition of cross-correlation surfaces, Icarus, 271, 98-119, https://doi.org/10.1016/j.icarus.2016.01.018, 2016. Available online 2016-01-29
- Ogohara, K., T. Kouyama, H. Yamamoto, N. Sato, M. Takagi, T. Imamura, Automated cloud tracking system for the Akatsuki Venus climate orbiter data, Icarus, 217, 661-668, https://doi.org/10.1016/j.icarus.2011.05.017, 2012. Available online 2011-05-26
- Ogohara, K., T. Kouyama, H. Yamamoto, N. Sato, M. Takagi, T. Imamura, A newly developed cloud tracking system for the Venus Climate Orbiter Akatsuki and preliminary results using Venus Express data, Theoretical and Applied Mechanics Japan, 60, 193-202, https://doi.org/10.11345/nctam.60.193, 2012. Available online 2012-02-25
Science Instruments
- Satoh, T., T. M. Sato, M. Nakamura, Y. Kasaba, M. Ueno, M. Suzuki, G. L. Hashimoto, T. Horinouchi, T. Imamura, A. Yamazaki, T. Enomoto, Y. Sakurai, K. Takami, K. Sawai, T. Nakakushi, T. Abe, N. Ishii, C. Hirose, N. Hirata, M. Yamada, S. Murakami, Y. Yamamoto, T. Fukuhara, K. Ogohara, H. Ando, K. Sugiyama, H. Kashimura, S. Ohtsuki, Performance of Akatsuki/IR2 in Venus orbit: the first year, Earth, Planets and Space, 69, 154, https://doi.org/10.1186/s40623-017-0736-x, 2017 (Open Access) Available online 2017-11-03
- Fukuhara, T, M. Taguchi, T. Imamura, A. Hayashitani, T. Yamada, M. Futaguchi, T. Kouyama, T. M. Sato, M. Takamura, N. Iwagami, M. Nakamura, M. Suzuki, M. Ueno, G. L. Hashimoto, M. Sato, S. Takagi, A. Yamazaki, M. Yamada, S. Murakami, Y. Yamamoto, K. Ogohara, H. Ando, K. Sugiyama, H. Kashimura, S. Ohtsuki, N. Ishii, T. Abe, T. Satoh, C. Hirose, N. Hirata, Absolute calibration of brightness temperature of the Venus disk observed by the Longwave Infrared Camera onboard Akatsuki, Earth, Planets and Space, 69:141, https://doi.org/10.1186/s40623-017-0727-y, 2017. (Open Access) Available online 2017-10-06
- Satoh, T. M. Nakamura, M. Ueno, K. Uemizu, M. Suzuki, T. Imamura, Y. Kasaba, S. Yoshida, M. Kimata, Development and in-flight calibration of IR2: 2-μm camera onboard Japan's Venus orbiter, Akatsuki, Earth, Planets and Space, 68:74, https://doi.org/10.1186/s40623-016-0451-z, 2016. (Open Access) Available online 2016-05-04
- Fukuhara, T., M. Taguchi, T. Imamura, M. Nakamura, M. Ueno, M. Suzuki, N. Iwagami, M. Sato, K. Mitsuyama, G. L. Hashimoto, R. Ohshima, T. Kouyama, H. Ando, M. Futaguchi, LIR: Longwave Infrared Camera onboard the Venus orbiter Akatsuki, Earth Planets Space, 63, 1009-1018, https://doi.org/10.5047/eps.2011.06.019, 2011. Available online 2012-01-26
- Iwagami, N., S. Takagi, S. Ohtsuki, M. Ueno, K. Uemizu, T. Satoh, T. Sakanoi, G. L. Hashimoto, Science requirements and description of the 1 μm camera onboard the AkatsukiVenus Orbiter, Earth, Planets and Space, 63, 487-492, https://doi.org/10.5047/eps.2011.03.007, 2011. Available online 2011-09-07
- Takagi, S., N. Iwagami, Contrast sources for the infrared images taken by the Venus mission AKATSUKI, Earth, Planets and Space, 63, 435-442, https://doi.org/10.5047/eps.2011.01.007, 2011. Available online 2011-06-21
- Imamura, T., T. Toda, A. Tomiki, D. Hirahara, T. Hayashiyama, N. Mochizuki, Z. Yamamoto, T. Abe, T. Iwata, H. Noda, Y. Futaana, H. Ando, B. Häusler, M. Pätzold, A. Nabatov, Radio occultation experiment of the Venus atmosphere and ionosphere with the Venus orbiter Akatsuki, Earth Planets Space, 63, 493-501, https://doi.org/10.5047/eps.2011.03.009, 2011. (Open Access) Available online 2011-09-07
- Takahashi, Y., J. Yoshida, Y. Yair, T. Imamura, M. Nakamura, Lightning detection by LAC onboard the Japanese Venus climate orbiter, Planet-C, Space Sci. Rev., 137, 317-334, https://doi.org/10.1007/s11214-008-9400-x, 2008. Available online 2008-07-26
- Taguchi, M., T. Fukuhara, T. Imamura, M. Nakamura, N. Iwagami, M. Ueno, M. Suzuki, G. L. Hashimoto, K. Mitsuyama, Longwave infrared camera onboard the Venus Climate Orbiter, Adv. Space Res., 40, 861-868, https://doi.org/10.1016/j.asr.2007.05.085, 2007. Available online 2007-06-14
Related to trajectory and orbits
- Campagnola, S., Y. Kawakatsu, Design of the Recovery Trajectory for JAXA Venus Orbiter Akatsuki, J. Astronaut. Sci., 62, 298-314, https://doi.org/10.1007/s40295-015-0074-9, 2015. Available online 2015-12-30
- Hirose, C., N. Ishii, Y. Kawakatsu, C. Ukai, H. Terada The Trajectory Control Strategies of Akatsuki for Venus Orbit Reinsertion, AAS13-388, Volume 148 of the Advances in the Astronautical Sciences Series, AAS/AIAA Spaceflight Mechanics Meeting Feb. 10-14, 2013, Kauai, HI. Available online unknown
- Hirose, C., N. Ishii, Y. Kawakatsu, H. Terada, The trajectory control strategies of Akatsuki for Venus orbit reinsertion, in: advances in the Astronautical Sciences, 148, 2909-2918, 2013. Available online unknown
- Hirose, C, N. Ishii, Y. Kawakatsu, C. Ukai, H. Terada, The trajectory control strategies for Akatsuki re-insertion into the Venus orbit, In: Proceedings of the 23rd international symposium on space flight dynamics, 2012 Available online unknown
- Kawakatsu, Y., S. Campagnola, C. Hirose, N. Ishii, An orbit plan toward Akatsuki Venus reencounter and orbit injection, Adv. Astronaut. Sci., 143(II), 1535-1547, 2012. Also paper AAS 12-205 Available online unknown
- Hirose, C., N. Ishii, T. Yamamoto, Y. Kawakatsu, C. Ukai, H. Terada, M. Ebara, The Trajectory Design Strategies for Akatsuki Mission, Trans. JSASS Aerospace Tech. Japan, Vol. 10, No. ists28, pp. To_3_1-To_3_5, https://doi.org/10.2322/tastj.10.To_3_1, 2012. Available online 2012 (month and day are unknown)
Operations for each system
- Toyota, H., N. Ishii, M. Nakamura, H. Ooto, K. Koide, T. Sakamoto, H. Abe, H. Yoshino, H. Takamura, T. Ose, Y. Nozaki, On-Orbit Operations Of A Power System For Japan's Venus Explorer Akatsuki, 11th European Space Power Conference, 3-7 October 2016, Thessaloniki, Greece. Available online unknown
Technologies used in PLANET-C
- Toda T., T. Hayashiyama, Y. Kamata, N. Ishii, M. Nakamura, Flight model development of PLANET-C telecommunication subsystem. The 27th International Symposium on Space Technology and Science, Transactions of Japan Society for Aeronautical and Space Sciences, Space Technology Japan 8, No.ists27:Tj_17-Tj_22, 2010. Available online unknown
- Oto, H., K. Ohira, M. Yamamoto, T. Eguro, H. Toyota, M. Uno, K. Hirose, M. Tajima, Development of Lithium-Ion Battery for the Venus Climate Orbiter "PLANET-C", Proceedings of the 8th European Space Power Conference, held on 14-19 September 2008 at Constance in Germany. Edited by H. Lacoste and L. Ouwehand. ESA-SP Vol. 661. ISBN: 978-92-9221-225-4, 2008, id.103 Available online unknown
- Toyota, H., T. Shimada, K. Higuchi, M. Uno, K. Hirose, M. Tajima, N. Ishii, M. Imaizumi, Y. Nozaki, N, Kaneko, M. Konno, Venus Climate Orbiter PLANET-C Solar Array Development, Proceedings of the 8th European Space Power Conference, held on 14-19 September 2008 at Constance in Germany. Edited by H. Lacoste and L. Ouwehand. ESA-SP Vol. 661. ISBN: 978-92-9221-225-4, 2008, id.36 Available online unknown
- Takada, J., S. Senda, H. Hihara, M. Hamai, T. Oshima, S. Hagino, M. Suzuki, S. Ichikawa, A fast progressive lossless image compression method for space and satellite images, Geoscience and Remote Sensing Symposium, IGARSS 2007, IEEE International, 479-481, https://doi.org/10.1109/IGARSS.2007.4422835, 2007. Available online 2007-07-23 (start date of conference)
Project Overview
- Nakamura, M., T. Imamura, N. Ishii, T. Abe, Y. Kawakatsu, C. Hirose, T. Satoh, M. Suzuki, M. Ueno, A. Yamazaki, N. Iwagami, S. Watanabe, M. Taguchi, T. Fukuhara, Y. Takahashi, M. Yamada, M. Imai, S. Ohtsuki, K. Uemizu, G. L. Hashimoto, M. Takagi, Y. Matsuda, K. Ogohara, N. Sato, Y. Kasaba, T. Kouyama, N. Hirata, R. Nakamura, Y. Yamamoto, T. Horinouchi, M. Yamamoto, Y.-Y. Hayashi, H. Kashimura, K. Sugiyama, T. Sakanoi, H. Ando, S. Murakami, T. M. Sato, S. Takagi, K. Nakajima, J. Peralta, Y. J. Lee, J. Nakatsuka, T. Ichikawa, K. Inoue, T. Toda, H. Toyota, S. Tachikawa, S. Narita, T. Hayashiyama, A. Hasegawa, Y. Kamata, AKATSUKI returns to Venus, Earth, Planets and Space, 68:75, https://doi.org/10.1186/s40623-016-0457-6, 2016. (Open Access) Available online 2016-05-06
- Nakamura, M., Y. Kawakatsu, C. Hirose, T. Imamura, N. Ishii, T. Abe, A. Yamazaki, M. Yamada, K. Ogohara, K. Uemizu, T. Fukuhara, S. Ohtsuki, T. Satoh, M. Suzuki, M. Ueno, J. Nakatsuka, N. Iwagami, M. Taguchi, S. Watanabe, Y. Takahashi, G. L. Hashimoto, H. Yamamoto, Return to Venus of the Japanese Venus Climate Orbiter AKATSUKI, Acta Astronautica, 93, 384-389, https://doi.org/10.1016/j.actaastro.2013.07.027, 2014. preprint (arXiv:1709.09353) Available online 2013-07-30
- Nakamura, M., T. Imamura, N. Ishii, T. Abe, T. Satoh, M. Suzuki, M. Ueno, A. Yamazaki, N. Iwagami, S. Watanabe, M. Taguchi, T. Fukuhara, Y. Takahashi, M. Yamada, N. Hoshino, S. Ohtsuki, K. Uemizu, G. L. Hashimoto, M. Takagi, Y. Matsuda, K. Ogohara, N. Sato, Y. Kasaba, T. Kouyama, N. Hirata, R. Nakamura, Y. Yamamoto, N. Okada, T. Horinouchi, M. Yamamoto, Y.-Y. Hayashi, Overview of Venus orbiter, Akatsuki, Earth Planets Space, 63, 443-457, https://doi.org/10.5047/eps.2011.02.009, 2011. (Open Access) Available online 2011-06-21
- Nakamura, M., T. Imamura, M. Ueno, N. Iwagami, T. Satoh, S. Watanabe, M. Taguchi, Y. Takahashi, M. Suzuki, T. Abe, G. L. Hashimoto, T. Sakanoi, S. Okano, Y. Kasaba, J. Yoshida, M. Yamada, N. Ishii, T. Yamada, K.-I. Oyama, Planet-C: Venus Climate Orbiter mission of Japan, Planet. Space Sci., 55, 1831-1842, https://doi.org/10.1016/j.pss.2007.01.009, 2007. Available online 2007-01-31
- Ishii, N., H. Yamakawa, S. Sawai, M. Shida, T. Hashimoto, M. Nakamura, T. Imamura, T. Abe, K.-I. Oyama, I. Nakatani, Current status of the PLANET-C Venus orbiter design, Adv. Space Res., 34, 1668-1672, https://doi.org/10.1016/j.asr.2004.07.006, 2004. Available online 2004-09-11
- Oyama, K.-I., T. Imamura, T. Abe, Feasibility study for Venus atmosphere mission, Adv. Space Res., 29, 265-271, https://doi.org/10.1016/S0273-1177(01)00577-4, 2002. Available online 2002-06-11
Others
- リモートセンシング事典, 日本リモートセンシング学会 編, https://www.maruzen-publishing.co.jp/item/b304822.html, 丸善出版, 2022-12.
- Nakamura, M., D. Titov, K. McGouldrick, P. Drossart, J.-L. Bertaux, H. Liu, Special issue "Akatsuki at Venus: The First Year of Scientific Operation", Earth, Planets and Space, 70, 144, https://doi.org/10.1186/s40623-018-0916-3, 2018. (Open Access, not peer-reviewed) Available online 2018-09-10
- Glaze, L. S., C. F. Wilson, L. V. Zasova, M. Nakamura, S. Limaye, Future of Venus Research and Exploration, Space Sci. Rev., 214:89, https://doi.org/10.1007/s11214-018-0528-z, 2018. (Open Access) Available online 2018-07-23
- Results (Akatsuki's data are used for analysis)
- Results (Akatsuki's data are not used for analysis, but related to Akatsuki mission by Akatsuki team members)
- Review papers including results from Akatsuki data
- Data Pipeline
- Science Instruments
- Related to trajectory and orbits
- Operations for each system
- Technologies used in PLANET-C
- Project Overview
- Others
Results (Akatsuki's data are used for analysis)
- Richa N. Jain, R. K. Choudhary, Anil Bhardwaj, T. Imamura, Anshuman Sharma, Umang M. Parikh, Turbulence dynamics and flow speeds in the inner solar corona: results from radio-sounding experiments by the Akatsuki spacecraft, Monthly Notices of the Royal Astronomical Society, 525, 3730 - 3739, https://doi.org/10.1093/mnras/stad2491, 2023. Available online 2023-08-21.
- Hiroki Ando, Yukiko Fujisawa, Norihiko Sugimoto, Masahiro Takagi, Yoshihisa Matsuda, Cold Collar Reproduced by a Venus GCM With the Akatsuki Horizontal Wind Assimilation, Journal of Geophysical Research Planets, 128, e2022JE007689, https://doi.org/10.1029/2022JE007689, 2023. Available online 2023-04-14
- Keshav R. Tripathi, R. K. Choudhary, K. M. Ambili, Takeshi Imamura, Venusian Ionosphere During Deep Solar Minima: Some New Insights Using Akatsuki Radio Science Experiment, J. Geophys. Res. Planets, 128, e2023JE007768, https://doi.org/10.1029/2023JE007768, 2023. Available online 2023-04-07
- Makoto Taguchi, Toru Kouyama, Temma Sugawa, Shin-ya Murakami, Masahiko Futaguchi, In-orbit recalibration of Longwave Infrared Camera onboard Akatsuki, Earth, Planets and Space 75, 53, https://doi.org/10.1186/s40623-023-01803-w, 2023. (Open Access) Available online 2023-04-10
- J. Peralta, A. Cidadão, L. Morrone, C. Foster, M. Bullock, E. F. Young, I. Garate-Lopez, A. Sánchez-Lavega, T. Horinouchi, T. Imamura, E. Kardasis, A. Yamazaki, S. Watanabe, Venus cloud discontinuity in 2022. The first long-term study with uninterrupted observations, Astronomy and Astrophysics, 672, L2, https://doi.org/10.1051/0004-6361/202244822, 2023. (Open Access) Available online 2023-03-28
- Dexin Lai, Tao Li, Long-Term Variation of the Quasi-Five-Day Wave in the Top Layer of Venus Clouds, J. Geophys. Res. Planets, 128, e2022JE007596, https://doi.org/10.1029/2022JE007596, 2023. (Open Access) Available online 2023-03-22
- Shota Chiba, Takeshi Imamura, Munetoshi Tokumaru, Daikou Shiota, Takuma Matsumoto, Hiroki Ando, Hiroshi Takeuchi, Yasuhiro Murata, Atsushi Yamazaki, Bernd Häusler, Martin Pätzold, Correction to: Observation of the Solar Corona Using Radio Scintillation with the Akatsuki Spacecraft: Difference Between Fast and Slow Wind, Sol. Phys., 298, 38, https://doi.org/10.1007/s11207-023-02133-6, 2023. Available online 2023-03-03
- Keshav R. Tripathi, R. K. Choudhary, Jeslin S. Jose, K. M. Ambili, T. Imamura, Gravity Wave Modulations at the Lower Altitudes of Venus Ionosphere, Geophysical Research Letters, 50, e2022GL101793, https://doi.org/10.1029/2022GL101793, 2023. (Open Access) Available online 2023-02-16
- Takeshi Horinouchi, Takehiko Satoh, Javier Peralta, Gigantic Vortices From Barotropic Instability Observed in the Atmosphere of Venus, Geophysical Research Letters, 50, e2022GL101633, https://doi.org/10.1029/2022GL101633, 2023. (Open Access) Available online 2023-01-09
- Igor V. Khatuntsev, Marina V. Patsaeva, Dmitrij V. Titov, Ludmila V. Zasova, Nikolay I. Ignatiev, Dmitry A. Gorinov, Twelve-Year Cycle in the Cloud Top Winds Derived from VMC/Venus Express and UVI/Akatsuki Imaging, Atmosphere, 13(12), https://doi.org/10.3390/atmos13122023, 2022. (Open Access) Available online 2022-12-01
- K. M. Ambili, K. R. Tripathi, R. K. Choudhary, T. Imamura, On the origin and characteristic features of the V1 layer in Venus ionosphere using Akatsuki radio science experiment and the one-dimensional photochemical model, Monthly Notices of the Royal Astronomical Society, 516, 4, 5555–5562, https://doi.org/10.1093/mnras/stac2624, 2022. Available online 2022-09-15
- Yeon Joo Lee, Antonio García Muñoz, Atsushi Yamazaki, Eric Quémerais, Stefano Mottola, Stephan Hellmich, Thomas Granzer, Gilles Bergond, Martin Roth, Eulalia Gallego-Cano, Jean-Yves Chaufray, Rozenn Robidel, Go Murakami, Kei Masunaga, Murat Kaplan, Orhan Erece, Ricardo Hueso, Petr Kabáth, Magdaléna Špoková, Agustín Sánchez-Lavega, Myung-Jin Kim, Valeria Mangano, Kandis-Lea Jessup, Thomas Widemann, Ko-ichiro Sugiyama, Shigeto Watanabe, Manabu Yamada, Takehiko Satoh, Masato Nakamura, Masataka Imai, Juan Cabrera, Reflectivity of Venus's Dayside Disk During the 2020 Observation Campaign: Outcomes and Future Perspectives, The Planetary Science Journal, 3, 209, https://doi.org/10.3847/PSJ/ac84d1, 2022. (Open Access) Available online 2022-09-14
- Yukiko Fujisawa, Shin-ya Murakami, Norihiko Sugimoto, Masahiro Takagi, Takeshi Imamura, Takeshi Horinouchi, George L. Hashimoto, Masaki Ishiwatari, Takeshi Enomoto, Takemasa Miyoshi, Hiroki Kashimura, Yoshi-Yuki Hayashi, The first assimilation of Akatsuki single-layer winds and its validation with Venusian atmospheric waves excited by solar heating, Scientific Reports, 12, 14577, https://doi.org/10.1038/s41598-022-18634-6, 2022. (Open Access) Available online 2022-08-26
- Minori Narita, Takeshi Imamura, Yeon-Joo Lee, Shigeto Watanabe, Atsushi Yamazaki, Takehiko Satoh, Makoto Taguchi, Takao M. Sato, Tetsuya Fukuhara, Manabu Yamada, Toru Kouyama, Naomoto Iwagami, Correlation of Venusian Mesoscale Cloud Morphology Between Images Acquired at Various Wavelengths, J. Geophys. Res.: Planets, 127, e2022JE007228, https://doi.org/10.1029/2022JE007228, 2022. (Open Access) Available online 2022-05-30
- Keshav R. Tripathi, R. K. Choudhary, K. M. Ambili, T. Imamura, H. Ando, Characteristic features of V0 layer in the Venus ionosphere as observed by the Akatsuki orbiter: evidence for its presence during the local noon and post-sunset conditions, Geophys. Res. Lett., 49(7), e2022GL097824, https://doi.org/10.1029/2022GL097824, 2022. Available online 2022-03-24
- Shota Chiba, Takeshi Imamura, Munetoshi Tokumaru, Daikou Shiota, Takuma Matsumoto, Hiroki Ando, Hiroshi Takeuchi, Yasuhiro Murata, Atsushi Yamazaki, Bernd Häusler, Martin Pätzold, Observation of the Solar Corona Using Radio Scintillation with the Akatsuki Spacecraft: Difference Between Fast and Slow Wind, Sol. Phys., 297, 34, https://doi.org/10.1007/s11207-022-01968-9, 2022. Available online 2022-03-09
- Emmanuel Kardasis, Javier Peralta, Grigoris Maravelias, Masataka Imai, Anthony Wesley, Tiziano Olivetti, Yaroslav Naryzhniy, Luigi Morrone, Antonio Gallardo, Giovanni Calapai, Joaquin Camarena, Paulo Casquinha, Dzmitry Kananovich, Niall MacNeill, Christian Viladrich, Alexia Takoudi, Amateur Observers Witness the Return of Venus’ Cloud Discontinuity, Atmosphere 2022, 13(2), 348, https://doi.org/10.3390/atmos13020348, 2022. (Open Access) Available online 2022-02-18
- Kiichi Fukuya, Takeshi Imamura, Makoto Taguchi, Toru Kouyama, Horizontal structures of bow-shaped mountain wave trains seen in thermal infrared images of Venusian clouds taken by Akatsuki LIR, Icarus, 378, 114936, https://doi.org/10.1016/j.icarus.2022.114936, 2022. Available online 2022-02-06
- Naoya Kajiwara, Takeshi Imamura, Makoto Taguchi, Toru Kouyama, Planetary-Scale Waves Seen in Thermal Infrared Images of Venusian Cloud Top, J. Geophys. Res.: Planets, 126, e2021JE007047, https://doi.org/10.1029/2021JE007047, 2021. (Open Access) Available online 2021-12-03
- Masahiro Akiba, Makoto Taguchi, Tetsuya Fukuhara, Takeshi Imamura, Toru Kouyama, Takao M. Sato, Thermal tides in the upper cloud layer of Venus as deduced from the emission angle dependence of the brightness temperature by Akatsuki/LIR, J. Geophys. Res.: Planets, 126, e2020JE006808, https://doi.org/10.1029/2020JE006808, 2021. (Open Access) Available online 2021-10-10
- Ryota Mori, Takeshi Imamura, Hiroki Ando, Bernd Häusler, Martin Pätzold, Silvia Tellmann, Gravity Wave Packets in the Venusian Atmosphere Observed by Radio Occultation Experiments: Comparison With Saturation Theory, J. Geophys. Res.: Planets, 126, e2021JE006912, https://doi.org/10.1029/2021JE006912, 2021. (Open Access) Available online 2021-08-28
- Kiichi Fukuya, Takeshi Imamura, Makoto Taguchi, Tetsuya Fukuhara, Toru Kouyama, Takeshi Horinouchi, Javier Peralta, Masahiko Futaguchi, Takeru Yamada, Takao M. Sato, Atsushi Yamazaki, Shin-ya Murakami, Takehiko Satoh, Masahiro Takagi, Masato Nakamura, Unveiling of nightside cloud-top circulation of Venus atmosphere, Nature, 595, 511-515, https://doi.org/10.1038/s41586-021-03636-7, 2021. Available online 2021-07-21
- Emmanuel Marcq, Franck Montmessin, Jérémie Lasue, Bruno Bézard, Kandis L. Jessup, Yeon Joo Lee, Colin F.Wilson, Benjamin Lustrement, Nicolas Rouanet, Gabriel Guignan, Instrumental requirements for the study of Venus' cloud top using the UV imaging spectrometer VeSUV, Adv. Space Res., 68, 275-291, https://doi.org/10.1016/j.asr.2021.03.012, 2021. Available online 2021-03-24
- Lee, Y. J., A. García Muñoz, A. Yamazaki, M. Yamada, S. Watanabe, T. Encrenaz, Investigation of UV absorbers on Venus using the 283 and 365 nm phase curves obtained from Akatsuki, Geophysical Research Letters, 48, e2020GL090577, https://doi.org/10.1029/2020GL090577, 2021. (Open Access) Available online 2021-03-15
- Lee, Y. J., A. García Muñoz, T. Imamura, M. Yamada, T. Satoh, A. Yamazaki, S. Watanabe, Brightness modulations of our nearest terrestrial planet Venus reveal atmospheric super-rotation rather than surface features, Nature Communications, 11, 5720, https://doi.org/10.1038/s41467-020-19385-6, 2020. (Open Access) Available online 2020-11-12
- Takehiko Satoh, Choon Wei Vun, Masafumi Kimata, Takeshi Horinouchi, Takao M. Sato, Venus night-side photometry with "cleaned" Akatsuki/IR2 data: Aerosol properties and variations of carbon monoxide, Icarus, 355, 114134, https://doi.org/10.1016/j.icarus.2020.114134, 2021. (Open Access) Available online 2020-10-06
- Lee, Y. J., P. Kopparla, J. Peralta, S. E. Schröder, T. Imamura, T. Kouyama, S. Watanabe, Spatial and Temporal Variability of the 365-nm Albedo of Venus Observed by the Camera on Board Venus Express, J. Geophys. Res.: Planets, 125, e2019JE006271, https://doi.org/10.1029/2019JE006271, 2020. (Open Access) Available online 2020-05-28
- Peralta, J., T. Navarro, C. W. Vun, A. Sánchez-Lavega, K. McGouldrick, T. Horinouchi, T. Imamura, R. Hueso, J. P. Boyd, G. Schubert, T. Kouyama, T. Satoh, N. Iwagami, E. F. Young, M. A. Bullock, P. Machado, Y. J. Lee, S. S. Limaye, M. Nakamura, S. Tellmann, A. Wesley, P. Miles, A Long-Lived Sharp Disruption on the Lower Clouds of Venus, Geophysical Research Letters, 47, e2020GL087221, https://doi.org/10.1029/2020GL087221, 2020. (Open Access) Available online on 2020-05-27
- Horinouchi, T., Y.-Y. Hayashi, S. Watanabe, M Yamada, A. Yamazaki, T. Kouyama, M. Taguchi, T. Fukuhara, M. Takagi, K. Ogohara, S. Murakami, J. Peralta, S. S. Limaye, T. Imamura, M. Nakamura, T. M. Sato, T. Satoh, How waves and turbulence maintain the super-rotation of Venus’ atmosphere, Science, 368, 405-409, https://doi.org/10.1126/science.aaz4439, 2020. Available online 2020-04-23
- Nara. Y., T. Imamura, K. Masunaga, Y. J. Lee, N. Terada, K. Yoshioka, A. Yamazaki, K. Seki, I. Yoshikawa, M. Yamada, S. Watanabe, Vertical coupling between the cloud-level atmosphere and the thermosphere of Venus inferred from the simultaneous observations by Hisaki and Akatsuki, J. Geophys. Res.: Planets, 125, e2019JE006192, https://doi.org/10.1029/2019JE006192, 2020. Available online 2020-03-10
- Ando, H., T. Imamura, S. Tellmann, M. Pätzold, B. Häusler, N. Sugimoto, M. Takagi, H. Sagawa, S. Limaye, Y. Matsuda, R. Kumar Choudhary, M. Antonita, Thermal structure of the Venusian atmosphere from the sub-cloud region to the mesosphere as observed by radio occultation, Scientific Reports, 10, 3448, https://doi.org/10.1038/s41598-020-59278-8, 2020. (Open Access) Available online 2020-02-26
- Sato, T. M., T. Satoh, H. Sagawa, N. Manago, Y. J. Lee, S. Murakami, K. Ogohara, G. L. Hashimoto, Y. Kasaba, A. Yamazaki, M. Yamada, S. Watanabe, T. Imamura, M. Nakamura, Dayside cloud top structure of Venus retrieved from Akatsuki IR2 observations, Icarus, 345, 113682, https://doi.org/10.1016/j.icarus.2020.113682, 2020. Available online 2020-02-11
- Imai, M., T. Kouyama, Y. Takahashi, A. Yamazaki, S. Watanabe, M. Yamada, T. Imamura, T. Satoh, M. Nakamura, S. Murakami, K. Ogohara, T. Horinouchi, Planetary-scale variations in winds and UV brightness at the Venusian cloud top: Periodicity and temporal evolution, J. Geophys. Res.:Planets, 124, https://doi.org/10.1029/2019JE006065, 2019. (Open Access) Available online 2019-10-02
- Lee, Y.-J., K.-L. Jessup, S. Perez-Hoyos, D. V. Titov, S. Lebonnois, J. Peralta, T. Horinouchi, T. Imamura, S. Limaye, E. Marcq, M. Takagi, A. Yamazaki, M. Yamada, S. Watanabe, S. Murakami, K. Ogohara, W. M. McClintock, G. Holsclaw, A. Roman, Long-term Variations of Venus's 365 nm Albedo Observed by Venus Express, Akatsuki, MESSENGER, and the Hubble Space Telescope, AJ, 158, 126, https://doi.org/10.3847/1538-3881/ab3120, 2019. (Open Access) Available online 2019-08-26
- Gonçalves, R., P. Machado, T. Widemann, J. Peralta, S. Watanabe, A. Yamazaki, T. Satoh, M Takagi, K. Ogohara, Y.-J. Lee, A Harutyunyan, J. Silva, Venus' cloud top wind study: coordinated Akatsuki/UVI with cloud tracking and TNG/HARPS-N with Doppler velocimetry observations, Icarus, 335, 113418, https://doi.org/10.1016/j.icarus.2019.113418, 2019. Available online 2019-08-23
- Kouyama, T., M. Taguchi, T. Fukuhara, T. Imamura, T. Horinouchi, T. M. Sato, S. Murakami, G. L. Hashimoto, Y.-J. Lee, M. Futaguchi, T. Yamada, M. Akiba, T. Satoh, M. Nakamura, Global structure of thermal tides in the upper cloud layer of Venus revealed by LIR onboard Akatsuki, Geophys. Res. Lett., 46, 9457-9465, https://doi.org/10.1029/2019GL083820, 2019. (Open Access) Available online 2019-08-21
- Lorenz, R. D., M. Imai, Y. Takahashi, M. Sato, A. Yamazaki, T. M. Sato, T. Imamura, T. Satoh, M. Nakamura, Constraints on Venus Lightning from Akatsuki's first Three Years in Orbit, Geophys. Res. Lett., 46, 7955-7961, https://doi.org/10.1029/2019GL083311, 2019. Available online 2019-07-03
- Kopparla, P., Y.-J. Lee, T. Imamura, A. Yamazaki, Principal components of short-term variability in the ultraviolet albedo of Venus, A&A, 626, A30, https://doi.org/10.1051/0004-6361/201935388, 2019. Available online 2019-06-06
- Peralta, J., A. Sánchez-Lavega, T. Horinouchi, K. McGouldrick, I. Garate-Lopez, E. F. Young, M. A. Bullock, Y.-J. Lee, T. Imamura, T. Satoh, S. S. Limaye, New cloud morphologies discovered on the Venus's night during Akatsuki, Icarus, 333, 177-182, https://doi.org/10.1016/j.icarus.2019.05.026, 2019. (Open Access) Available online 2019-05-30
- Kitahara, T., T. Imamura, T. M. Sato, A. Yamazaki, Y.-J. Lee, M. Yamada, S. Watanabe, M. Taguchi, T. Fukuhara, T. Kouyama, S. Murakami, G. L. Hashimoto, K. Ogohara, H. Kashimura, T. Horinouchi, M. Takagi, Stationary features at the cloud top of Venus observed by Ultraviolet Imager onboard Akatsuki, J. Geophys. Res.:Planets, 124, 1266-1281, https://doi.org/10.1029/2018JE005842, 2019. (Open Access) Available online 2019-04-23
- Encrenaz, T., T. K. Greathouse, E. Marcq, H. Sagawa, T. Widemann, B. Bézard, T. Fouchet, F. Lefèvre, S. Lebonnois, S. K. Atreya, Y. J. Lee, R. Giles, S. Watanabe, HDO and SO2 thermal mapping on Venus, A&A, 623, A70, https://doi.org/10.1051/0004-6361/201833511, 2019. (Open Access) Available online 2019-03-07
- Peralta, J., N. Iwagami, A. Sánchez-Lavega, Y.-J. Lee, R. Hueso, M. Narita, T. Imamura, P. Miles, A. Wesley, E. Kardasis, S. Takagi, Morphology and Dynamics of Venus's Middle Clouds With Akatsuki/IR1, Geophys. Res. Lett., 46, 2399-2407, https://doi.org/10.1029/2018GL081670, 2019. (Open Access), Post in AGU Blogosphere Available online 2019-02-22
- Singh, D., Venus nightside surface temperature, Scientific Reports, 9:1137, https://doi.org/10.1038/s41598-018-38117-x, 2019. URL (Open Access) Available online 2019-02-04
- Kashimura, H., N. Sugimoto, M. Takagi, Y. Matsuda, W. Ohfuchi, T. Enomoto, K. Nakajima, M. Ishiwatari, T. M. Sato, G. L. Hashimoto, T. Satoh, Y. O. Takahashi, Y.-Y. Hayashi, Planetary-scale streak structure reproduced in high-resolution simulations of the Venus atmosphere with a low-stability layer, Nature Communications, 10, Article number: 23, https://doi.org/10.1038/s41467-018-07919-y, 2019. (Open Access), Press Release (ISAS/JAXA, in Japanese), Press Release (ISAS/JAXA, in English), Press Release (Kobe Univ., in Japanese), Press Release (Kobe Univ., in English) Available online 2019-01-09
- Peralta, J., K. Muto, R. Hueso, T. Horinouchi, A. Sánchez-Lavega, S. Murakami, P. Machado, E. F. Young, Y.-J. Lee, T. Kouyama, H. Sagawa, K. McGouldrick, T. Satoh, T. Imamura, S. S. Limaye, T. M. Sato, K. Ogohara, M. Nakamura, D. Luz, Nightside Winds at the Lower Clouds of Venus with Akatsuki/IR2: Longitudinal, Local Time, and Decadal Variations from Comparison with Previous Measurements, The Astrophysical Journal Supplement Series, 239, 29, https://doi.org/10.3847/1538-4365/aae844, 2018. (Open Access) Available online 2018-12-07
- Yamamoto, M., K. Ikeda, M. Takahashi, T. Horinouchi, Solar-locked and geographical atmospheric structures inferred from a Venus general circulation model with radiative transfer, Icarus, 321, 232-250, https://doi.org/10.1016/j.icarus.2018.11.015, 2019. (Open Access) Available online 2018-11-20
- Limaye, S. S., D. Grassi, A. Mahieux, A. Migliorini, S. Tellmann, D. Titov, Venus Atmospheric Thermal Structure and Radiative Balance, Space Sci. Rev., 214:102, https://doi.org/10.1007/s11214-018-0525-2, 2018. (Open Access) Available online 2018-08-13
- Imamura, T., M. Miyamoto, H. Ando, B. Häusler, M. Pätzold, S. Tellmann, T. Tsuda, Y. Aoyama, Y. Murata, H. Takeuchi, A. Yamazaki, T. Toda, A. Tomiki, Fine Vertical Structures at the Cloud Heights of Venus Revealed by Radio Holographic Analysis of Venus Express and Akatsuki Radio Occultation Data, J. Geophys. Res: Planets, 123, 2151-2161, https://doi.org/10.1029/2018JE005627, 2018. Available online 2018-08-06
- Ando, H., M. Takagi, T. Fukuhara, T. Imamura, N. Sugimoto, H. Sagawa, K. Noguchi, S. Tellmann, M. Pätzold, B. Häusler, Y. Murata, H. Takeuchi, A. Yamazaki, T. Toda, A. Tomiki, R. Choudhary, K. Kumar, G. Ramkumar, M. Antonita, Local Time Dependence of the Thermal Structure in the Venusian Equatorial Upper Atmosphere: Comparison of Akatsuki Radio Occultation Measurements and GCM Results, J. Geophys. Res: Planets, 123, 2270-2280, https://doi.org/10.1029/2018JE005640, 2018. Available online 2018-07-26
- Takahashi, Y., M. Sato, M. Imai, R. Lorenz, Y. Yair, K. Aplin, G. Fischer, M. Nakamura, N. Ishii, T. Abe, T. Satoh, T. Imamura, C. Hirose, M. Suzuki, G. L. Hashimoto, N. Hirata, A. Yamazaki, T. M. Sato, M. Yamada, S. Murakami, Y. Yamamoto, T. Fukuhara, K. Ogohara, H. Ando, K. Sugiyama, H. Kashimura, S. Ohtsuki, Initiation of a lightning search using the lightning and airglow camera onboard the Venus orbiter Akatsuki, Earth, Planets and Space, 70, 88, https://doi.org/10.1186/s40623-018-0836-2, 2018. (Open Access) Available online 2018-05-25
- Limaye, S. S., S. Watanabe, A. Yamazaki, M. Yamada, T. Satoh, T. M. Sato, M. Nakamura, M. Taguchi, T. Fukuhara, T. Imamura, T. Kouyama, Y.-J. Lee, T. Horinouchi, J. Peralta, N. Iwagami, G. L. Hashimoto, S. Takagi, S. Ohtsuki, S. Murakami, Y. Yamamoto, K. Ogohara, H. Ando, K. Sugiyama, N. Ishii, T. Abe, C. Hirose, M. Suzuki, N. Hirata, E. F. Young, A. C. Ocampo, Venus looks different from day to night across wavelengths: morphology from Akatsuki multispectral images, Earth, Planets and Space, 70, 24, https://doi.org/10.1186/s40623-018-0789-5, 2018. (Open Access) Available online 2018-02-12
- Yamazaki, A., M. Yamada, Y.-J. Lee, S. Watanabe, T. Horinouchi, S. Murakami, T. Kouyama, K. Ogohara, T. Imamura, T. M. Sato, Y. Yamamoto, T. Fukuhara, H. Ando, K. Sugiyama, S. Takagi, H. Kashimura, S. Ohtsuki, N. Hirata, G. L. Hashimoto, M. Suzuki, C. Hirose, M. Ueno, T. Satoh, T. Abe, N. Ishii, M. Nakamura, Ultraviolet imager on Venus orbiter Akatsuki and its initial results, Earth, Planets and Space, 70, 23, https://doi.org/10.1186/s40623-017-0772-6, 2018. (Open Access) Available online 2018-02-12
- Horinouchi, T., T. Kouyama, Y. J. Lee, S. Murakami, K. Ogohara, M. Takagi, T. Imamura, K. Nakajima, J. Peralta, A. Yamazaki, M. Yamada, S. Watanabe, Mean winds at the cloud top of Venus obtained from two-wavelength UV imaging by Akatsuki, Earth, Planets and Space, 70, 10, https://doi.org/10.1186/s40623-017-0775-3, 2018. (Open Access) Available online 2018-01-15
- Iwagami, N., T. Sakanoi, G. L. Hashimoto, K. Sawai, S. Ohtsuki, S. Takagi, K. Uemizu, M. Ueno, S. Kameda, S. Murakami, M. Nakamura, N. Ishii, T. Abe, T. Satoh, T. Imamura, C. Hirose, M. Suzuki, N. Hirata, A. Yamazaki, T. M. Sato, M. Yamada, Y. Yamamoto, T. Fukuhara, K. Ogohara, H. Ando, K. Sugiyama, H. Kashimura, T. Kouyama, Initial products of Akatsuki 1-μm camera, Earth, Planets and Space, 70, 6, https://doi.org/10.1186/s40623-017-0773-5, 2018. (Open Access) Available online 2018-01-11
- Kouyama, T., T. Imamura, M. Taguchi, T. Fukuhara, T. M. Sato, A. Yamazaki, M. Futaguchi, S. Murakami, G. L. Hashimoto, M. Ueno, N. Iwagami, S. Takagi, M. Takagi, K. Ogohara, H. Kashimura, T. Horinouchi, N. Sato, M. Yamada, Y. Yamamoto, S. Ohtsuki, K. Sugiyama, H. Ando, M. Takamura, T. Yamada. T. Satoh, M. Nakamura, Topographical and Local Time Dependence of Large Stationary Gravity Waves Observed at the Cloud Top of Venus, Geophys. Res. Lett., 44, 12,98-12,105, https://doi.org/10.1002/2017GL075792, 2017. Available online 2017-12-04
- Imamura, T., H. Ando, S. Tellmann, M. Pätzold, B. Häusler, A. Yamazaki, T. M. Sato, K. Noguchi, Y. Futaana, J. Oschlisniok, S. Limaye, R. K. Choudhary, Y. Murata, H. Takeuchi, C. Hirose, T. Ichikawa, T. Toda, A. Tomiki, T. Abe, Z. Yamamoto, H. Noda, T. Iwata, S. Murakami, T. Satoh, T. Fukuhara, K. Ogohara, K. Sugiyama, H. Kashimura, S. Ohtsuki, S. Takagi, Y. Yamamoto, N. Hirata, G. L. Hashimoto, M. Yamada, M. Suzuki, N. Ishii, T. Hayashiyama, Y. J. Lee, M. Nakamura, Initial performance of the radio occultation experiment in the Venus orbiter mission Akatsuki, Earth, Planets and Space, 69, 137, https://doi.org/10.1186/s40623-017-0722-3, 2017. (Open Access) Available online 2017-10-03
- Horinouchi, T., S. Murakami, T. Satoh, J. Peralta, K. Ogohara, T. Kouyama, T. Imamura, H. Kashimura, S. S. Limaye, K. McGouldrick, M. Nakamura, T. M. Sato, K. Sugiyama, M. Takagi, S. Watanabe, M. Yamada, A. Yamazaki, E. F. Young, Corrigendum: Equatorial jet in the lower to middle cloud layer of Venus revealed by Akatsuki, Nature Geoscience, 10, 798, https://doi.org/10.1038/ngeo3034, 2017. Available online 2017-08-28
- Horinouchi, T., S. Murakami, T. Satoh, J. Peralta, K. Ogohara, T. Kouyama, T. Imamura, H. Kashimura, S. S. Limaye, K. McGouldrick, M. Nakamura, T. M. Sato, K. Sugiyama, M. Takagi, S. Watanabe, M. Yamada, A. Yamazaki, E. F. Young, Equatorial jet in the lower to middle cloud layer of Venus revealed by Akatsuki, Nature Geoscience, 10, 646-651, https://doi.org/10.1038/ngeo3016, 2017. Press Release (JAXA, in Japanese), Press Release (Hokkaido Univ., in Japanese) Available online 2017-08-28
- Lee, Y. J., A. Yamazaki, T. Imamura, M. Yamada, S. Watanabe, T. M. Sato, K. Ogohara, G. L. Hashimoto, S. Murakami, Scattering Properties of the Venusian Clouds Observed by the UV Imager on board Akatsuki, The Astronomical Journal, 154, 44 (16pp), https://doi.org/10.3847/1538-3881/aa78a5, 2017. Available online 2017-07-06
- Fukuhara, T., M. Futaguchi, G. L. Hashimoto, T. Horinouchi, T. Imamura, N. Iwagami, T. Kouyama, S. Murakami, M. Nakamura, K. Ogohara, M. Sato, T. M. Sato, M. Suzuki, M. Taguchi, S. Takagi, M. Ueno, S. Watanabe, M. Yamada, A. Yamazaki, Large stationary gravity wave in the atmosphere of Venus, Nature Geoscience, 10, 85-88, https://doi.org/10.1038/ngeo2873, 2017. Press Release (ISAS/JAXA, in Japanese) Press Release (Rikkyo Univ., in Japanese) Available online 2017-01-16
- Ando, H., D. Shiota, T. Imamura, M. Tokumaru, A. Asai, H. Isobe, M. Päzold, B. Häusler, M. Nakamura, Internal structure of a coronal mass ejection revealed by Akatsuki radio occultation observations, J. Geophys. Res., 120, 5318-5328, https://doi.org/10.1002/2015JA021076, 2015. Available online 2015-06-25
- Satoh, T., S. Ohtsuki, N. Iwagami, M. Ueno, K. Uemizu, M. Suzuki, G. L. Hashimoto, T. Sakanoi, Y. Kasaba, R. Nakamura, T. Imamura, M. Nakamura, T. Fukuhara, A. Yamazaki, M. Yamada, Venus' clouds as inferred from the phase curves acquired by IR1 and IR2 on board Akatsuki, Icarus, 248, 213-220, https://doi.org/10.1016/j.icarus.2014.10.030, 2015. Available online 2014-10-28
- Miyamoto, M., T. Imamura, M. Tokumaru, H. Ando, H. Isobe, A. Asai, D. Shiota, T. Toda, B. Häusler, M. Pätzold, A. Nabatov, M. Nakamura, Radial distribution of compressive waves in the solar corona revealed by Akatsuki radio occultation observations, Astrophys. J., 797, 51, https://doi.org/10.1088/0004-637X/797/1/51, 2014. Available online 2014-11-25
- Imamura, T., M. Tokumaru, H. Isobe, D. Shiota, H. Ando, M. Miyamoto, T. Toda, B. Häusler, M. Pätzold, A. Nabatov, A. Asai, K. Yaji, M. Yamada, M. Nakamura, Outflow structure of the quiet Sun corona probed by spacecraft radio scintillations in strong scattering, Astrophys. J., 788, 117, https://doi.org/10.1088/0004-637X/788/2/117, 2014. Available online 2014-05-29
- Taguchi, M. T. Fukuhara, M. Futaguchi, M. Sato, T. Imamura, K. Mitsuyama, M. Nakamura, M. Ueno, M. Suzuki, N. Iwagami, G. L. Hashimoto, Characteristic features in Venus' nightside cloud-top temperature obtained by Akatsuki/LIR, Icarus, 219, 502-509, https://doi.org/10.1016/j.icarus.2012.01.024, 2012. Available online 2012-02-09
Results (Akatsuki's data are not used for analysis, but related to Akatsuki mission by Akatsuki team members)
- Anna Suzuki, Hiroki Ando, Masahiro Takagi, Yasumitsu Maejima, Norihiko Sugimoto, Yoshihisa Matsuda, Dependency of the vertical propagation of mountain waves on the zonal wind and the static stability in the lower Venusian atmosphere, Icarus, https://doi.org/10.1016/j.icarus.2023.115615, 2023. Available online 2023-05-12
- Norihiko Sugimoto, Yukiko Fujisawa, Nobumasa Komori, Hiroki Ando, Toru Kouyama, Masahiro Takagi, Akatsuki LIR observing system simulation experiments evaluated by thermal tides in the Venus atmosphere, Geoscience Letters, 9, 44, https://doi.org/10.1186/s40562-022-00253-8, 2022. (Open Access) Available online 2022-11-16
- Hiroki Ando, Koutarou Takaya, Masahiro Takagi, Norihiko Sugimoto, Takeshi Imamura, Hideo Sagawa, Silvia Tellmann, Martin Pätzold, Yoshihisa Matsuda, Bernd Häusler, Sanjay Limaye, Raj Kumar Choudhary, Maria Antonita, Dynamical Effect on Static Stability of the Venus Atmosphere Simulated Using a General Circulation Model: A Comparison With Radio Occultation Measurements, J. Geophys. Res. Planets, 127, e2021JE006957, https://doi.org/10.1029/2021JE006957, 2022. Available online 2022-03-15
- Mangano, V., Dósa, M., Fränz, M., Milillo, A., Oliveira, J. S., Lee, Y. J., McKenna-Lawlor, S., Grassi, D., Heyner, D., Kozyrev, A. S., Peron, R., Helbert, J., Besse, S., de la Fuente, S., Montagnon, E., Zender, J., Volwerk, M., Chaufray, J.-Y., Slavin, J. A., Krüger, H., Maturilli, A., Cornet, T., Iwai, K., Miyoshi, Y., Lucente, M., Massetti, S., Schmidt, C. A., Dong, C., Quarati, F., Hirai, T., Varsani, A., Belyaev, D., Zhong, J., Kilpua, E. K. J., Jackson, B. V., Odstrcil, D., Plaschke, F., Vainio, R., Jarvinen, R., Ivanovski, S. L., Madár, Á, Erdős, G., Plainaki, C., Alberti, T., Aizawa, S., Benkhoff, J., Murakami, G., Quemerais, E., Hiesinger, H., Mitrofanov, I. G., Iess, L., Santoli, F., Orsini, S., Lichtenegger, H., Laky, G., Barabash, S., Moissl, R., Huovelin, J., Kasaba, Y., Saito, Y., Kobayashi, M., Baumjohann, W., BepiColombo Science Investigations During Cruise and Flybys at the Earth, Venus and Mercury, Space Sci. Rev., 217, 23, https://doi.org/10.1007/s11214-021-00797-9, 2021. (Open Access) Available online 2021-02-11
- Kopparla, P., A. Seshadri, T. Imamura, Y. J. Lee, A recharge oscillator model for interannual variability in Venus' clouds, J. Geophys. Res.: Planets, 125, e2020JE006568, https://doi.org/10.1029/2020JE006568, 2020. Available online 2020-10-28
- Yamada, T., T. Imamura, T. Fukuhara, M. Taguchi, Influence of the cloud-level neutral layer on the vertical propagation of topographically generated gravity waves on Venus, Earth, Planets and Space, 71, 123, https://doi.org/10.1186/s40623-019-1106-7, 2019. (Open Access) Available online 2019-11-20
- Sugimoto, N., T. Kouyama, M. Takagi, Impact of Data Assimilation on Thermal Tides in the Case of Venus Express Wind Observation, Geophys. Res. Lett., 46, 4573-4580, https://doi.org/10.1029/2019GL082700, 2019. Available online 2019-04-16
- Nara, Y., T. Imamura, S. Murakami, T. Kouyama, K. Ogohara, M. Yamada, M. Takagi, H. Kashimura, N. Sato, Formation of the Y feature at the Venusian cloud top by planetary-scale waves and the mean circulation: analysis of Venus Express VMC images, J. Geophys. Res.:Planets, 124, 1143-1156, https://doi.org/10.1029/2018JE005779, 2019. Available online 2019-04-09
- Taylor, F. W., H. Svedhem, J. W. Head III, Venus: The Atmosphere, Climate, Surface, Interior and Near-Space Environment of an Earth-Like Planet, Space Sci. Rev., 214:35, https://doi.org/10.1007/s11214-018-0467-8, 2018. (Open Access) Available online 2018-01-23
- Takagi, M., N. Sugimoto, H. Ando, Y. Matsuda, Three‐Dimensional Structures of Thermal Tides Simulated by a Venus GCM, J. Geophys. Res.:Planets, 123, 335-352, https://doi.org/10.1002/2017JE005449, 2018. Available online 2018-01-05
- Lorenz, R. D., D. Crisp, L. Huber, Venus atmospheric structure and dynamics from the VEGA lander and balloons: New results and PDS archive, Icarus, 305, 277-283, https://doi.org/10.1016/j.icarus.2017.12.044, 2018, Available online 2017-12-27
- McGouldrick, K., Effects of variation in coagulation and photochemistry parameters on the particle size distributions in the Venus clouds, Earth, Planets and Space, 69, 161, https://doi.org/10.1186/s40623-017-0744-x, 2017. (Open Access) Available online 2017-12-01
- Peralta, J., Y. J. Lee, K. McGouldrick, H. Sagawa, A. Sánchez-Lavega, T. Imamura, T. Widemann, M. Nakamura, Overview of useful spectral regions for Venus: An update to encourage observations complementary to the Akatsuki mission, Icarus, 288, 235-239, https://doi.org/10.1016/j.icarus.2017.01.027, 2017. Available online 2017-02-09
- Sánchez-Lavega, A., J. Peralta, J. M. Gomez-Forrellad, R. Hueso, S. Pérez-Hoyos, I. Mendikoa, J. F. Rojas, T. Horinouchi, Y. J. Lee, S. Watanabe, Venus cloud morphology and motions from ground-based images at the time of the Akatsuki orbit insertion, The Astrophysical Journal Letters, 833, L7, https://doi.org/10.3847/2041-8205/833/1/L7, 2016. Available online 2016-10-03
- Navarro, T., G. Schubert, S. Lebonnois, Author Correction: Atmospheric mountain wave generation on Venus and its influence on the solid planet’s rotation rate, Nature Geoscience, https://doi.org/10.1038/s41561-018-0257-7, 2018. Available online 2018-10-15
- Navarro, T., G. Schubert, S. Lebonnois, Atmospheric mountain wave generation on Venus and its influence on the solid planet’s rotation rate, Nature Geoscience, https://doi.org/10.1038/s41561-018-0157-x, 2018. Available online 2018-06-18
- Peralta, J., R. Hueso, A. Sánchez-Lavega, Y. J. Lee, A. García Muñoz, T. Kouyama, H. Sagawa, T. M. Sato, G. Piccioni, S. Tellmann, T. Imamura, T. Satoh, Stationary waves and slowly moving features in the night upper clouds of Venus, Nature Astronomy 1, 0187, https://doi.org/10.1038/s41550-017-0187, 2017. Press Release (JAXA), Press Release (ESA) Available online 2017-07-24
- Peralta, J., Y. J. Lee, R. Hueso, R. T. Clancy, B. J. Sandor, A. Sánchez-Lavega, E. Lellouch, M. Rengel, P. Machado, M. Omino, A. Piccialli, T. Imamura, T. Horinouchi, S. Murakami, K. Ogohara, D. Luz, D. Peach, Venus's winds and temperatures during the MESSENGER's flyby: An approximation to a three-dimensional instantaneous state of the atmosphere, Geophys. Res. Lett., 44, 3907-3915, https://doi.org/10.1002/2017GL072900, 2017. (Open Access) Available online 2017-04-05
- Sugimoto, N., A. Yamazaki, T. Kouyama, H. Kashimura, T. Enomoto, M. Takagi, Development of an ensemble Kalman filter data assimilation system for the Venusian atmosphere, Scientific Reports, 7, 9321, https://doi.org/10.1038/s41598-017-09461-1, 2017. Available online 2017-08-24
- Ando, H., T. Imamura, N. Sugimoto, M. Takagi, H. Kashimura, S. Tellmann, M. Pätzold, B. Häusler, Y. Matsuda, Vertical structure of the axi-asymmetric temperature disturbance in the Venusian polar atmosphere: Comparison between radio occultation measurements and GCM results, J. Geophys. Res., 122, 1687-1703, https://doi.org/10.1002/2016JE005213, 2017. Available online 2017-07-20
- Peralta, J., M. A. López-Valverde, G. Gilli, A. Piccialli, Dayside temperatures in the Venus upper atmosphere from Venus Express/VIRTIS nadir measurements at 4.3 μm, Astronomy & Astrophysics, 585, A53, https://doi.org/10.1051/0004-6361/201527191, 2016. (Open Access) Available online 2015-12-17
- Ando, H., N. Sugimoto, M. Takagi, H. Kashimura, T. Imamura, Y. Matsuda, The puzzling Venusian polar atmospheric structure reproduced by a general circulation model, Nature Communications, 7, 10398, https://doi.org/10.1038/ncomms10398, 2016. Available online 2016-02-01
- Kouyama, T., A. Yamazaki, M. Yamada, T. Imamura, A method to estimate optical distortion using planetary images, Planet. Space Sci., 86, 86-90, https://doi.org/10.1016/j.pss.2013.06.027, 2013. Available online 2013-07-13
- Kouyama, T., T. Imamura, M. Nakamura, T. Satoh, Y. Futaana, Long-term variation in the cloud-tracked zonal velocities at the cloud top of Venus deduced from Venus Express VMC images, J. Geophys. Res. Planets 118, 37-46, https://doi.org/10.1029/2011JE004013, 2013. Available online 2013-01-30
- Kouyama, T., T. Imamura, M. Nakamura, T. Satoh, Y. Futaana, Horizontal structure of planetary-scale waves at the cloud top of Venus deduced from Galileo SSI images with an improved cloud-tracking technique, Planet. Space Sci., 60, 207-216, https://doi.org/10.1016/j.pss.2011.08.008, 2012. Available online 2011-09-06
Review papers including results from Akatsuki data
- Imamura, T., J. Mitchell, S. Lebonnois, Y. Kaspi, A. P. Showman, O. Korablev, Superrotation in Planetary Atmospheres, Space Sci. Rev., 216, 87, (2020). https://doi.org/10.1007/s11214-020-00703-9, 2020. (Open Access) Available online 2020-07-01
- Lorenz, R. D., Lightning detection on Venus: a critical review, Progress in Earth and Planetary Science, 5:34, https://doi.org/10.1186/s40645-018-0181-x, 2018. (Open Access) Available online 2018-06-20
- Sánchez-Lavega, A., S. Lebonnois, T. Imamura, P. Read, D. Luz, The Atmospheric Dynamics of Venus, Space Sci. Rev., 212, 1541-1616, https://doi.org/10.1007/s11214-017-0389-x, 2017. Available online 2017-08-01
Data Pipeline
- Ogohara, K., M. Takagi, S. Murakami, T. Horinouchi, M. Yamada, T. Kouyama, G. L. Hashimoto, T. Imamura, Y. Yamamoto, H. Kashimura, N. Hirata, N. Sato, A. Yamazaki, T. Satoh, N. Iwagami, M. Taguchi, S. Watanabe, T. M. Sato, S. Ohtsuki, T. Fukuhara, M. Futaguchi, T. Sakanoi, S. Kameda, K. Sugiyama, H. Ando, Y. J. Lee, M. Nakamura, M. Suzuki, C. Hirose, N. Ishii, T. Abe, Overview of Akatsuki data products: definition of data levels, method and accuracy of geometric correction, Earth, Planets and Space, 69, 167, https://doi.org/10.1186/s40623-017-0749-5, 2017. (Open Access) Available online 2017-12-12
- Horinouchi, T., S. Murakami, T. Kouyama, K. Ogohara, A. Yamazaki, M. Yamada, S. Watanabe, Image velocimetry for clouds with relaxation labeling based on deformation consistency, Meas. Sci. Technol., 28, 085301, https://doi.org/10.1088/1361-6501/aa695c, 2017. (Open Access) Available online 2017-07-10
- Ikegawa, S., T. Horinouchi, Improved automatic estimation of winds at the cloud top of Venus using superposition of cross-correlation surfaces, Icarus, 271, 98-119, https://doi.org/10.1016/j.icarus.2016.01.018, 2016. Available online 2016-01-29
- Ogohara, K., T. Kouyama, H. Yamamoto, N. Sato, M. Takagi, T. Imamura, Automated cloud tracking system for the Akatsuki Venus climate orbiter data, Icarus, 217, 661-668, https://doi.org/10.1016/j.icarus.2011.05.017, 2012. Available online 2011-05-26
- Ogohara, K., T. Kouyama, H. Yamamoto, N. Sato, M. Takagi, T. Imamura, A newly developed cloud tracking system for the Venus Climate Orbiter Akatsuki and preliminary results using Venus Express data, Theoretical and Applied Mechanics Japan, 60, 193-202, https://doi.org/10.11345/nctam.60.193, 2012. Available online 2012-02-25
Science Instruments
- Satoh, T., T. M. Sato, M. Nakamura, Y. Kasaba, M. Ueno, M. Suzuki, G. L. Hashimoto, T. Horinouchi, T. Imamura, A. Yamazaki, T. Enomoto, Y. Sakurai, K. Takami, K. Sawai, T. Nakakushi, T. Abe, N. Ishii, C. Hirose, N. Hirata, M. Yamada, S. Murakami, Y. Yamamoto, T. Fukuhara, K. Ogohara, H. Ando, K. Sugiyama, H. Kashimura, S. Ohtsuki, Performance of Akatsuki/IR2 in Venus orbit: the first year, Earth, Planets and Space, 69, 154, https://doi.org/10.1186/s40623-017-0736-x, 2017 (Open Access) Available online 2017-11-03
- Fukuhara, T, M. Taguchi, T. Imamura, A. Hayashitani, T. Yamada, M. Futaguchi, T. Kouyama, T. M. Sato, M. Takamura, N. Iwagami, M. Nakamura, M. Suzuki, M. Ueno, G. L. Hashimoto, M. Sato, S. Takagi, A. Yamazaki, M. Yamada, S. Murakami, Y. Yamamoto, K. Ogohara, H. Ando, K. Sugiyama, H. Kashimura, S. Ohtsuki, N. Ishii, T. Abe, T. Satoh, C. Hirose, N. Hirata, Absolute calibration of brightness temperature of the Venus disk observed by the Longwave Infrared Camera onboard Akatsuki, Earth, Planets and Space, 69:141, https://doi.org/10.1186/s40623-017-0727-y, 2017. (Open Access) Available online 2017-10-06
- Satoh, T. M. Nakamura, M. Ueno, K. Uemizu, M. Suzuki, T. Imamura, Y. Kasaba, S. Yoshida, M. Kimata, Development and in-flight calibration of IR2: 2-μm camera onboard Japan's Venus orbiter, Akatsuki, Earth, Planets and Space, 68:74, https://doi.org/10.1186/s40623-016-0451-z, 2016. (Open Access) Available online 2016-05-04
- Fukuhara, T., M. Taguchi, T. Imamura, M. Nakamura, M. Ueno, M. Suzuki, N. Iwagami, M. Sato, K. Mitsuyama, G. L. Hashimoto, R. Ohshima, T. Kouyama, H. Ando, M. Futaguchi, LIR: Longwave Infrared Camera onboard the Venus orbiter Akatsuki, Earth Planets Space, 63, 1009-1018, https://doi.org/10.5047/eps.2011.06.019, 2011. Available online 2012-01-26
- Iwagami, N., S. Takagi, S. Ohtsuki, M. Ueno, K. Uemizu, T. Satoh, T. Sakanoi, G. L. Hashimoto, Science requirements and description of the 1 μm camera onboard the AkatsukiVenus Orbiter, Earth, Planets and Space, 63, 487-492, https://doi.org/10.5047/eps.2011.03.007, 2011. Available online 2011-09-07
- Takagi, S., N. Iwagami, Contrast sources for the infrared images taken by the Venus mission AKATSUKI, Earth, Planets and Space, 63, 435-442, https://doi.org/10.5047/eps.2011.01.007, 2011. Available online 2011-06-21
- Imamura, T., T. Toda, A. Tomiki, D. Hirahara, T. Hayashiyama, N. Mochizuki, Z. Yamamoto, T. Abe, T. Iwata, H. Noda, Y. Futaana, H. Ando, B. Häusler, M. Pätzold, A. Nabatov, Radio occultation experiment of the Venus atmosphere and ionosphere with the Venus orbiter Akatsuki, Earth Planets Space, 63, 493-501, https://doi.org/10.5047/eps.2011.03.009, 2011. (Open Access) Available online 2011-09-07
- Takahashi, Y., J. Yoshida, Y. Yair, T. Imamura, M. Nakamura, Lightning detection by LAC onboard the Japanese Venus climate orbiter, Planet-C, Space Sci. Rev., 137, 317-334, https://doi.org/10.1007/s11214-008-9400-x, 2008. Available online 2008-07-26
- Taguchi, M., T. Fukuhara, T. Imamura, M. Nakamura, N. Iwagami, M. Ueno, M. Suzuki, G. L. Hashimoto, K. Mitsuyama, Longwave infrared camera onboard the Venus Climate Orbiter, Adv. Space Res., 40, 861-868, https://doi.org/10.1016/j.asr.2007.05.085, 2007. Available online 2007-06-14
Related to trajectory and orbits
- Campagnola, S., Y. Kawakatsu, Design of the Recovery Trajectory for JAXA Venus Orbiter Akatsuki, J. Astronaut. Sci., 62, 298-314, https://doi.org/10.1007/s40295-015-0074-9, 2015. Available online 2015-12-30
- Hirose, C., N. Ishii, Y. Kawakatsu, C. Ukai, H. Terada The Trajectory Control Strategies of Akatsuki for Venus Orbit Reinsertion, AAS13-388, Volume 148 of the Advances in the Astronautical Sciences Series, AAS/AIAA Spaceflight Mechanics Meeting Feb. 10-14, 2013, Kauai, HI. Available online unknown
- Hirose, C., N. Ishii, Y. Kawakatsu, H. Terada, The trajectory control strategies of Akatsuki for Venus orbit reinsertion, in: advances in the Astronautical Sciences, 148, 2909-2918, 2013. Available online unknown
- Hirose, C, N. Ishii, Y. Kawakatsu, C. Ukai, H. Terada, The trajectory control strategies for Akatsuki re-insertion into the Venus orbit, In: Proceedings of the 23rd international symposium on space flight dynamics, 2012 Available online unknown
- Kawakatsu, Y., S. Campagnola, C. Hirose, N. Ishii, An orbit plan toward Akatsuki Venus reencounter and orbit injection, Adv. Astronaut. Sci., 143(II), 1535-1547, 2012. Also paper AAS 12-205 Available online unknown
- Hirose, C., N. Ishii, T. Yamamoto, Y. Kawakatsu, C. Ukai, H. Terada, M. Ebara, The Trajectory Design Strategies for Akatsuki Mission, Trans. JSASS Aerospace Tech. Japan, Vol. 10, No. ists28, pp. To_3_1-To_3_5, https://doi.org/10.2322/tastj.10.To_3_1, 2012. Available online 2012 (month and day are unknown)
Operations for each system
- Toyota, H., N. Ishii, M. Nakamura, H. Ooto, K. Koide, T. Sakamoto, H. Abe, H. Yoshino, H. Takamura, T. Ose, Y. Nozaki, On-Orbit Operations Of A Power System For Japan's Venus Explorer Akatsuki, 11th European Space Power Conference, 3-7 October 2016, Thessaloniki, Greece. Available online unknown
Technologies used in PLANET-C
- Toda T., T. Hayashiyama, Y. Kamata, N. Ishii, M. Nakamura, Flight model development of PLANET-C telecommunication subsystem. The 27th International Symposium on Space Technology and Science, Transactions of Japan Society for Aeronautical and Space Sciences, Space Technology Japan 8, No.ists27:Tj_17-Tj_22, 2010. Available online unknown
- Oto, H., K. Ohira, M. Yamamoto, T. Eguro, H. Toyota, M. Uno, K. Hirose, M. Tajima, Development of Lithium-Ion Battery for the Venus Climate Orbiter "PLANET-C", Proceedings of the 8th European Space Power Conference, held on 14-19 September 2008 at Constance in Germany. Edited by H. Lacoste and L. Ouwehand. ESA-SP Vol. 661. ISBN: 978-92-9221-225-4, 2008, id.103 Available online unknown
- Toyota, H., T. Shimada, K. Higuchi, M. Uno, K. Hirose, M. Tajima, N. Ishii, M. Imaizumi, Y. Nozaki, N, Kaneko, M. Konno, Venus Climate Orbiter PLANET-C Solar Array Development, Proceedings of the 8th European Space Power Conference, held on 14-19 September 2008 at Constance in Germany. Edited by H. Lacoste and L. Ouwehand. ESA-SP Vol. 661. ISBN: 978-92-9221-225-4, 2008, id.36 Available online unknown
- Takada, J., S. Senda, H. Hihara, M. Hamai, T. Oshima, S. Hagino, M. Suzuki, S. Ichikawa, A fast progressive lossless image compression method for space and satellite images, Geoscience and Remote Sensing Symposium, IGARSS 2007, IEEE International, 479-481, https://doi.org/10.1109/IGARSS.2007.4422835, 2007. Available online 2007-07-23 (start date of conference)
Project Overview
- Nakamura, M., T. Imamura, N. Ishii, T. Abe, Y. Kawakatsu, C. Hirose, T. Satoh, M. Suzuki, M. Ueno, A. Yamazaki, N. Iwagami, S. Watanabe, M. Taguchi, T. Fukuhara, Y. Takahashi, M. Yamada, M. Imai, S. Ohtsuki, K. Uemizu, G. L. Hashimoto, M. Takagi, Y. Matsuda, K. Ogohara, N. Sato, Y. Kasaba, T. Kouyama, N. Hirata, R. Nakamura, Y. Yamamoto, T. Horinouchi, M. Yamamoto, Y.-Y. Hayashi, H. Kashimura, K. Sugiyama, T. Sakanoi, H. Ando, S. Murakami, T. M. Sato, S. Takagi, K. Nakajima, J. Peralta, Y. J. Lee, J. Nakatsuka, T. Ichikawa, K. Inoue, T. Toda, H. Toyota, S. Tachikawa, S. Narita, T. Hayashiyama, A. Hasegawa, Y. Kamata, AKATSUKI returns to Venus, Earth, Planets and Space, 68:75, https://doi.org/10.1186/s40623-016-0457-6, 2016. (Open Access) Available online 2016-05-06
- Nakamura, M., Y. Kawakatsu, C. Hirose, T. Imamura, N. Ishii, T. Abe, A. Yamazaki, M. Yamada, K. Ogohara, K. Uemizu, T. Fukuhara, S. Ohtsuki, T. Satoh, M. Suzuki, M. Ueno, J. Nakatsuka, N. Iwagami, M. Taguchi, S. Watanabe, Y. Takahashi, G. L. Hashimoto, H. Yamamoto, Return to Venus of the Japanese Venus Climate Orbiter AKATSUKI, Acta Astronautica, 93, 384-389, https://doi.org/10.1016/j.actaastro.2013.07.027, 2014. preprint (arXiv:1709.09353) Available online 2013-07-30
- Nakamura, M., T. Imamura, N. Ishii, T. Abe, T. Satoh, M. Suzuki, M. Ueno, A. Yamazaki, N. Iwagami, S. Watanabe, M. Taguchi, T. Fukuhara, Y. Takahashi, M. Yamada, N. Hoshino, S. Ohtsuki, K. Uemizu, G. L. Hashimoto, M. Takagi, Y. Matsuda, K. Ogohara, N. Sato, Y. Kasaba, T. Kouyama, N. Hirata, R. Nakamura, Y. Yamamoto, N. Okada, T. Horinouchi, M. Yamamoto, Y.-Y. Hayashi, Overview of Venus orbiter, Akatsuki, Earth Planets Space, 63, 443-457, https://doi.org/10.5047/eps.2011.02.009, 2011. (Open Access) Available online 2011-06-21
- Nakamura, M., T. Imamura, M. Ueno, N. Iwagami, T. Satoh, S. Watanabe, M. Taguchi, Y. Takahashi, M. Suzuki, T. Abe, G. L. Hashimoto, T. Sakanoi, S. Okano, Y. Kasaba, J. Yoshida, M. Yamada, N. Ishii, T. Yamada, K.-I. Oyama, Planet-C: Venus Climate Orbiter mission of Japan, Planet. Space Sci., 55, 1831-1842, https://doi.org/10.1016/j.pss.2007.01.009, 2007. Available online 2007-01-31
- Ishii, N., H. Yamakawa, S. Sawai, M. Shida, T. Hashimoto, M. Nakamura, T. Imamura, T. Abe, K.-I. Oyama, I. Nakatani, Current status of the PLANET-C Venus orbiter design, Adv. Space Res., 34, 1668-1672, https://doi.org/10.1016/j.asr.2004.07.006, 2004. Available online 2004-09-11
- Oyama, K.-I., T. Imamura, T. Abe, Feasibility study for Venus atmosphere mission, Adv. Space Res., 29, 265-271, https://doi.org/10.1016/S0273-1177(01)00577-4, 2002. Available online 2002-06-11
Others
- リモートセンシング事典, 日本リモートセンシング学会 編, https://www.maruzen-publishing.co.jp/item/b304822.html, 丸善出版, 2022-12.
- Nakamura, M., D. Titov, K. McGouldrick, P. Drossart, J.-L. Bertaux, H. Liu, Special issue "Akatsuki at Venus: The First Year of Scientific Operation", Earth, Planets and Space, 70, 144, https://doi.org/10.1186/s40623-018-0916-3, 2018. (Open Access, not peer-reviewed) Available online 2018-09-10
- Glaze, L. S., C. F. Wilson, L. V. Zasova, M. Nakamura, S. Limaye, Future of Venus Research and Exploration, Space Sci. Rev., 214:89, https://doi.org/10.1007/s11214-018-0528-z, 2018. (Open Access) Available online 2018-07-23