Imamura, T., K. Kita, N. Iwagami and T. Ogawa, Gravity wave characteristics derived from structured atomic oxygen profile and multiple Es layers, J. Geomagn. Geoelectr., 47, 961-972, 1995.
Imamura, T., and T. Ogawa, A sensitivity study to infer tropospheric ozone from atmospheric thermal emission at 9.6 micrometer wavelength measured with a nadir view from a satellite, J. Meteor. Soc. Japan, 73, 255-258, 1995.
Imamura, T., and T. Ogawa, Radiative damping of gravity waves in the terrestrial planetary atmospheres, Geophys. Res. Lett., 22, 267-270, 1995.
Kita, K., T. Imamura, N. Iwagami, W.H. Morrow and T. Ogawa, Rocket observation of oxygen atom and night airglow 1. Measurement of oxygen atom concentration with an improved resonance fluorescence technique, Ann. Geophys., 14, 227-237, 1996.
Kita, K., T. Imamura, N. Iwagami, W.H. Morrow and T. Ogawa, Variability of oxygen atom concentration in the lower thermosphere observed by rocket experiments, Adv. Space Res., 17, 85-88, 1996.
Imamura, T., and T. Ogawa, Parameterization of surface brightness temperature to retrieve trace gases from radiance spectra measured with a nadir view, J. Atmos. and Ocean Tech., 14, 988-993, 1997.
Imamura, T., Momentum balance of the Venusian midlatitude mesosphere, J. Geophys. Res., 102, 6615-6620, 1997.
Imamura, T., K. Kita, N. Iwagami and T. Ogawa, Gravity wave signature simultaneously observed in the oxygen atom and electron density profiles in the lower thermosphere, Adv. Space Res., 19, 145-148, 1997.
Imamura, T., and G. L. Hashimoto, Venus cloud formation in the meridional circulation, J. Geophys. Res., 103, 31349-31366, 1998.
Mukai, T., T. Akabane, T. Hashimoto, H. Ishimoto, S. Sasaki, A. Inada, A. Toigo, M. Nakamura, Y. Abe, K. Kurita, T. Imamura, Observation of Mars and its satellites by the Mars Imaging Camera (MIC) on Planet-B, Earth Planets Space, 50, 183-188, 1998.
Imamura, T., and G. L. Hashimoto, Microphysics of Venusian clouds in rising tropical air, J. Atmos. Sci., 58, 3597-3612, 2001.
Hashimoto, G. L., and T. Imamura, Elucidating the rate of volcanism on Venus: Detection of lava eruptions using near-infrared observations, Icarus, 154, 239-243, 2001.
Noguchi, K., T. Imamura, K.-I. Oyama, and A. Saito, Application of the GPS network to estimate the effect of the terrestrial ionosphere on the radio occultation measurements of planetary ionospheres, Radio Sci., 36, 1607-1614, 2001.
Oyama, K. -I., A. Nabatov, N. Savich, Z. Yamamoto, T. Imamura, T. Ichikawa, and K. Noguchi, First test of the Nozomi radio science system in actual space flight, Adv. Space Res., 27(11), 1847-1850, 2001.
Imamura, T., and G. L. Hashimoto, H2SO4 cycle in the Venusian tropical atmosphere as constrained by a microphysical cloud model, Adv. Space Res., 29(2), 249-254, 2002.
Oyama, K. -I., A. Nabatov, N. Savich, T. Imamura, Z. Yamamoto, and K. Noguchi, Cislunar plasma exploration with the Selene radio science system, Adv. Space Res., 30(8), 1915-1919, 2002.
Oyama, K. -I., T. Imamura, and T. Abe, Feasibility study for Venus atmosphere mission, Adv. Space Res., 29(2), 265-271, 2002.
Noguchi, K., T. Imamura, K.-I. Oyama, and A. S. Nabatov, Radio-occultation projects in space programs of Japan, Radio Science Bulletin, 303, 27-31, 2002.
Nabatov, A.S., T. Imamura, N.A. Savich, K.-I. Oyama, and K. Noguchi, Detectability of lunar plasma clouds from Selene radio occultations, Adv. Space Res., 31(11), 2369-2375, 2003.
Imamura, T., T. Horinouchi, and T. Dunkerton, The lateral transport of zonal momentum due to Kelvin waves in a meridional circulation, J. Atmos. Sci., 61, 1966-1975, 2004.
Ishii, N., H. Ymakawa, S. Sawai, M. Shida, T. Hashimoto, M. Nakamura, T. Imamura, T. Abe, K. Oyama, I. Nakatani, Current status of the PLANET-C Venus orbiter design, Adv. Space Res., 34, 1668-1672, 2004.
Izutsu, N., N. Yajima, H. Honda, and T. Imamura, Venus Balloon using Water Vapor, Adv. Space Res., 33(10), 1831-1835, 2004.
Imamura, T., K. Noguchi, A. Nabatov, K.-I. Oyama, Z. Yamamoto, and M. Tokumaru, Phase scintillation observation during coronal sounding experiments with NOZOMI spacecraft, Astron. Astrophys., 439, 1165-1169, 2005.
Fukuhara, T., and T. Imamura, Waves encircling the summer southern pole of Mars observed by MGS TES, Geophys. Res. Lett., 32, L18811, doi:10.1029/2005GL023819, 2005.
Ohtsuki, S., N. Iwagami, H. Sagawa, Y. Kasaba, M. Ueno, and T. Imamura, Ground-based observation of the Venus 1.27-micrometer O2 airglow, Adv. Space Res., 36(11), 2038-2042, 2005.
Imamura, T., Meridional propagation of planetary-scale waves in vertical shear: implication for the Venus atmosphere, J. Atmos. Sci., 63, 1623-1636, 2006.
Noguchi, K., T. Imamura, K.-I. Oyama, and G. E. Bodeker, A global statistical study on the origin of small-scale ozone vertical structures in the lower stratosphere, J. Geophys. Res., 111, doi:10.1029/2006JD007232, 2006.
Haeusler, B., M. Paetzold, G.L. Tyler, R.A. Simpson, M.K. Bird, V. Dehant, J.-P. Barriot, W. Eidel, R. Mattei, S. Remus, J. Selle, S. Tellmann, and T. Imamura, Radio Science Investigations by VeRa onboard the Venus Express Spacecraft, Planet. Space Sci., 54, 1315-1335, 2006.
Imamura, T., Y. Kawasaki, and T. Fukuhara, Mesoscale spectra of Mars’ atmosphere derived from MGS TES infrared radiances, J. Atmos. Sci., 64, 1717-1726, 2007.
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, 2007.
Fukuhara, T., and T. Imamura, Diurnally varying structure of stationary waves encircling the summer southern pole of Mars observed by MGS TES, Geophys. Res. Lett., 34, L09809, doi:10.1029/2006GL028498, 2007.
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, 2007.
Patzold, M., B. Haeusler, M. K. Bird, S. Tellmann, R. Mattei, S. W. Asmar, V. Dehant, W. Eidel, T. Imamura, R. A. Simpson, and G. L. Tyler, The structure of Venus’ middle atmosphere and ionosphere, Nature, 450, 657-660, 2007.
Makoto Suzuki, Takeshi Imamura, Takahiro Yamada, Masato Nakamura, Hiroki Hihara, Masahiro Hamai, Jun Takada, Shuji Senda, NEC, Munetaka Ueno, Satoshi Ichikawa, Observation sequences and onboard data processing unit of Japanese Venus observation program, Planet-C, 2007 IEEE International Geoscience and Remote Sensing Symposium, https://doi.org/10.1109/IGARSS.2007.4422834, 2007.
Imamura, T., K.-I. Oyama, T. Iwata, Y. Kono, K. Matsumoto, Q. Liu, H. Noda, Y. Futaana, A. Nabatov, Possibility of studying the lunar ionosphere with SELENE radio science experiment, Earth, Planets and Space, 60, 387-390, 2008.
Ohtsuki, S., N. Iwagami, H. Sagawa, M. Ueno, Y. Kasaba, T. Imamura and E. Nishihara, Imaging spectroscopy of the Venus 1.27-micrometer O2 airglow with ground-based telescopes, Adv. Space Res., 41(9), 1375-1380, 2008.
Iwagami, N., S. Ohtsuki, K. Tokuda, N. Ohira, Y. Kasaba, T. Imamura, H. Sagawa, G.L. Hashimoto, S. Takeuchi, M. Ueno, S. Okumura, Hemispheric distributions of HCl above and below the Venus’ clouds by ground-based 1.7 micrometer spectroscopy, Planet. Space Sci. 56, 1424-1434, 2008.
Chassefiere E., O. Korablev, T. Imamura, et al., European Venus Explorer (EVE): an in-situ mission to Venus, Experimental Astronomy, DOI 10.1007/s10686-008-9093-x, 2008.
Fukuhara, T., and T. Imamura, Hemispheric difference in the momentum transport by waves encircling the summer polar region of Mars observed by MGS TES, J. Geophys. Res., 113, E05006, doi:10.1029/2007JE002999, 2008.
Takahashi, Y., J. Yoshida, Y. Yair, T. Imamura, and M. Nakamura, Lightning detection by LAC onboard the Japanese Venus climate orbiter, Planet-C, Space Sci. Rev., 137, 317–334, doi:10.1007/s11214-008-9400-x., 2008.
Imamura, T., and H. Kobayashi, Wavenumber spectra of planetary-scale disturbances in the Mars atmosphere, Icarus, 199, 286-294, 2009.
Imamura, T., T. Iwata, Z. Yamamoto, N. Mochizuki, Y. Kono, K. Matsumoto, Q. Liu, H. Noda, H. Hanada, K.-I. Oyama, A. Nabatov, Y. Futaana, A. Saito, and H. Ando, Studying the Lunar Ionosphere with SELENE Radio Science Experiment, Space Science Reviews, 154, 305-316, 2010.
Efimov, I., T. Imamura, K.-I. Oyama, K. Noguchi, L. N. Samoznaev, A. S. Nabatov, M. K. Bird, and I. V. Chashei, Properties of the turbulence of the solar wind from radio-eclipse experiments with the NOZOMI spacecraft, Astronomy Reports, 54, 1031-1041, 2010.
Imamura, T., and Y. Ito, Quasi-periodic dust events in the summertime south polar region of Mars, Icarus, 211, 498–503, doi:10.1016/j.icarus.2010.08.014, 2011.
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, and Y. Hayashi, Overview of Venus orbiter, Akatsuki, Earth Planets Space, 63, 443-457, doi:10.5047/eps.2011.02.009, 2011.
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.
Kouyama, T., T. Imamura, M. Nakamura, T. Satoh and 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, doi:10.1016/j.pss/2011.08.008, 207-216, 2012.
Ogohara, K., T. Kouyama, H. Yamamoto, N. Sato, M. Takagi, and 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, 195-204, 2012.
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, doi:10.1016/j.icarus.2011.05.017, 2661–2668, 2012
Taguchi, M. T. Fukuhara, M. Futaguchi, M. Sato, T. Imamura, K. Mitsuyama, M. Nakamura, M. Ueno, M. Suzuki, N. Iwagami, and G. L. Hashimoto, Characteristic features in Venus’ nightside cloud-top temperature obtained by Akatsuki/LIR, Icarus, 219, 502-509, 10.1016/j.icarus.2012.01.024, 2012.
Ando, H., T. Imamura, and T. Tsuda, Vertical wavenumber spectra of gravity waves in the Martian atmosphere obtained from Mars Global Surveyor radio occultation data, J. Atmos. Sci., 69, 2906-2912, doi: 10.1175/JAS-D-11-0339.1, 2012.
Imamura, T., A. Nabatov, N. Mochizuki, T. Iwata, H. Hanada, K. Matsumoto, H. Noda, Y. Kono, Q. Liu, Y. Futaana, H. Ando, Z. Yamamoto, K.-I. Oyama, and A. Saito, Radio occultation measurement of the electron density near the lunar surface using a subsatellite on the SELENE mission, J. Geophys. Res., 117, A06303, doi:10.1029/2011JA017293, 2012.
Ando, H., T. Imamura, A. Nabatov, Y. Futaana, T. Iwata, H. Hanada, K. Matsumoto, N. Mochizuki, Y. Kono, H. Noda, Q. Liu, K. -I. Oyama, Z. Yamamoto, and A. Saito, Dual-spacecraft radio occultation measurement of the electron density near the lunar surface by the SELENE mission, J. Geophys. Res., 117, A08313, doi:10.1029/2011JA017141, 2012.
Tellmann, S., B. Haeusler, D. P. Hinson, G. L. Tyler, T. P. Andert, M. K. Bird, T. Imamura, M. Patzold, and S. Remus, Small-scale temperature fluctuations seen by the VeRa Radio Science Experiment on Venus Express, Icarus, 221, 471–480, 2012.
Kouyama, T., T. Imamura, M. Nakamura, T. Satoh, and 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., 118, 37–46, DOI:10.1029/2011JE004013, 2013.
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.
Imamura, T., T. Higuchi, Y. Maejima, M. Takagi, N. Sugimoto, K. Ikeda, and H. Ando, Inverse insolation dependence of Venus’ cloud-level convection, Icarus, 228, 181–188, 2014.
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(10pp), doi:10.1088/0004-637X/788/2/117, 2014.
Peralta, J., T. Imamura, P. Read, D. Luz, A. Piccialli, and M. Angel López-Valverde, Analytical solution for waves in planets with atmospheric superrotation. part 1: acoustic and inertia-gravity waves, Astrophys. J. Suppl. Ser., 213:17, doi:10.1088/0067-0049/213/1/17, 2014a.
Peralta, J., T. Imamura, P. Read, D. Luz, A. Piccialli, and M. Angel López-Valverde, Analytical solution for waves in planets with atmospheric superrotation. part 2: lamb, surface, and centrifugal waves, Astrophys. J. Suppl. Ser., 213:18, doi: 10.1088/0067-0049/213/1/18, 2014b.
Sato, T.M., H. Sagawa, T. Kouyama, K. Mitsuyama, T. Satoh, S. Ohtsuki, M. Ueno, Y. Kasaba, M. Nakamura, T. Imamura, Cloud top structure of Venus revealed by Subaru/COMICS mid-infrared images, Icarus, 243, 386–399, doi:10.1016/j.icarus.2014.09.004, 2014.
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(7pp), doi:10.1088/0004-637X/797/1/51, 2014
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.
Satoh, T., Ohtsuki, S., Iwagami, N., Ueno, M., Uemizu, K., Suzuki, M., Hashimoto, G. L., Sakanoi, T., Kasaba, Y., Nakamura, R., Imamura, T., Nakamura, M., Fukuhara, T., Yamazaki, A., Yamada, M., Venus’ clouds as inferred from the phase curves acquired by IR1 and IR2 on board Akatsuki, Icarus, 248, 213–220, doi:10.1016/j.icarus.2014.10.030, 2015
Kouyama, T., T. Imamura, M. Nakamura, T. Satoh, Y. Futaana, Vertical propagation of planetary-scale waves in variable background winds in the upper cloud region of Venus, Icarus, 248, 560–568, doi:10.1016/j.icarus.2014.07.011, 2015
Kanao, M., T. Shimizu, T. Imamura, and M. Nakamura, Hinode SOT plate scale reinvestigated by G-band images on the 2012 transit of Venus, Solar Phys., 290, 1491-1506, 2015.
Lee, Y. J., T. Imamura, S. E. Schroder, and E. Marcq, Long-term variations of the UV contrast on Venus observed by the Venus Monitoring Camera onboard Venus Express, Icarus, 253, 1-15, 2015.
Ando, H., T. Imamura, T. Tsuda, S. Tellmann, M. Pätzold and B. Häusler, Vertical wavenumber spectra of gravity waves in the Venus atmosphere obtained from Venus Express radio occultation data: evidence for saturation, J. Atmos. Sci., 72, 2318-2329, 2015. doi:10.1175/JAS-D-14-0315.1
Ando, H., D. Shiota, T. Imamura, M. Tokumaru, A. Asai, H. Isobe, M. Pazold, B. Hausler, and M. Nakamura, Internal structure of a coronal mass ejection revealed by Akatsuki radio occultation observations, J. Geophys. Res., 120, 5318–5328, doi:0.1002/2015JA021076, 2015.
Imamura, T., A. Watanabe, Y. Maejima, Convective generation and vertical propagation of fast gravity waves on Mars: one- and two-dimensional modeling, Icarus, 267, 51-63, 2016.
Ando, H., N. Sugimoto, M. Takagi, H. Kashimura, T. Imamura, and Y. Matsuda, The puzzling Venusian polar atmospheric structure reproduced by a general circulation model, Nature Communications, 7, 10398, doi:10.1038/ncomms10398, 2016.
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.
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.
Satoh, T., Sato, T.M., Nakamura, M., Yasumasa Kasaba, Munetaka Ueno, Makoto Suzuki, George L. Hashimoto, Takeshi Horinouchi, Takeshi Imamura, Atsushi Yamazaki, Takayuki Enomoto, Yuri Sakurai, Kosuke Takami, Kenta Sawai, Takashi Nakakushi, Takumi Abe. Performance of Akatsuki/IR2 in Venus orbit: the first year. Earth Planets Space (2017) 69: 154. https://doi.org/10.1186/s40623-017-0736-x
Fukuhara, T., Futaguchi, T., Hashimoto, G. L., Horinouchi, T., Imamura, T., Iwagami, N., Kouyama, T., Murakami, S., Nakamura, M., Ogohara, K., Sato, M., Sato, T. M., Suzuki, M., Tguchi, M., Takagi, S., Ueno, M., Watanabe, S., Yamada, M., & Yamazaki, A. (2017). Large stationary gravity wave in the atmosphere of Venus. Nature Geo., 10(2), 85–88. https://doi.org/10.1038/ngeo2873
Muto, K. and T. Imamura, Morphology and temporal variation of the polar oval of Venus revealed by VMC/Venus express visible and UV images, Icarus 295, 110-118, doi: 10.1016/j.icarus.2017.06.014, 2017.
Peralta, J., Y. J. Lee, R. Hueso, R. T. Clancy, B. J. Sandor, A. Sanchez-Lavega, E. Lellouch, M. Rengel, P. Machado, M. Omino, A. Piccialli, T. Imamura, T. Horinouchi, S. Murakami, K. Ogohara, D. Luz and 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., DOI: 10.1002/2017GL072900, 2017.
Lee, Y. J., A. Yamazaki, T. Imamura, M. Yamada, S. Watanabe, T. M. Sato, K. Ogohara, G. L. Hashimoto, and S. Murakami, Scattering Properties of the Venusian Clouds Observed by the UV Imager on board Akatsuki, Astronom. J. 154, 44, doi:10.3847/1538-3881/aa78a5, 2017.
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.
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, doi:10.1038/s41550-017-0187, 2017.
Ando, H., T. Imamura, N. Sugimoto, M. Takagi, H. Kashimura, S. Tellmann, M. Pätzold, B. Häusler, and 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, doi:10.1002/2016JE005213, 2017.
Takeshi Imamura, Hiroki Ando, Silvia Tellmann, Martin Pätzold, Bernd Häusler, Atsushi Yamazaki, Takao M. Sato, Katsuyuki Noguchi, Yoshifumi Futaana, Janusz Oschlisniok, Sanjay Limaye, R. K. Choudhary, Yasuhiro Murata, Hiroshi Takeuchi, Chikako Hirose, Tsutomu Ichikawa, Tomoaki Toda, Atsushi Tomiki, Takumi Abe, Zen-ichi Yamamoto, Hirotomo Noda, Takahiro Iwata, Shin-ya Murakami, Takehiko Satoh, Tetsuya Fukuhara, Kazunori Ogohara, Ko-ichiro Sugiyama, Hiroki Kashimura, Shoko Ohtsuki, Seiko Takagi, Yukio Yamamoto, Naru Hirata, George L. Hashimoto, Manabu Yamada, Makoto Suzuki, Nobuaki Ishii, Tomoko Hayashiyama, Yeon Joo Lee and Masato Nakamura, Initial performance of the radio occultation experiment in the Venus orbiter mission Akatsuki, Earth Planet Space 69:137, doi.org/10.1186/s40623-017-0722-3, 2017.
Horinouchi, T., S. Murakami, T. Satoh, J. Peralta, K. Ogohara, T. Kouyama, T. Imamura, H. Kashimura, S. S. Limaye, M. Nakamura, T. M. Sato, K. ugiyama, 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 (2017), doi:10.1038/ngeo3016.
Sánchez-Lavega, A., S. Lebonnois, T. Imamura, P.Read, D. Luz, The Atmospheric Dynamics of Venus, Space Sci. Rev. 212, 1541-1616, DOI 10.1007/s11214-017-0389-x, 2017.
Kouyama, T., Imamura, T., Taguchi, M., Fukuhara, T., Sato, T. M., Yamazaki, A., Futaguchi, M., Murakami, S., Hashimoto, G. L., Ueno, M., Iwagami, N., Takagi, S., Takagi, M., Ogohara, K., Kashimura, H., Horinouch, T., Sato, N., Yamada, M., Yamamoto, Y., Ohtsuki, S., Sugiyama, K., Ando, H., Takamura, M., Yamada, T., Satoh, T., Nakamura, M. (2017). Topographical and local time dependence of large stationary gravity waves observed at the cloud top of Venus. Geophys. Res. Lett., 44,12,098-12,105. Doi:10.1002/2017GL075792
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.
Fukuhara, T., Taguchi, M., Imamura, T., Hayashitani, A., Yamada, T., Futaguchi, M., Kouyama, T., Sato, T. M., Takamura, M., Iwagami, N., Nakamura, M., Suzuki, M., Ueno, M., Hashimoto, G. L., Sato, M., Takagi, S., Yamazaki, A., Yamada, M., Murakami, S., Yamamoto, Y., Ogohara, K., Ando, H., Sugiyama, K., Kashimura, H., Ohtsuki, S., Ishii, N., Abe, T., Satoh, T., Hirose, C., Hirata, N. (2017). Absolute calibration of brightness temperature of the Venus disk observed by the Longwave Infrared Camera onboard Akatsuki. Earth Planets Space, 69:141. DOI 10.1186/s40623-017-0727-y
Limaye, S.S., Lebonnois, S., Mahieux, A., Pätzold, M., Bougher, S., Bruinsma, S., Chamberlain, S., Clancy, R.T., Gérard, J.-C., Gilli, G., Grassi, D., Haus, R., Herrmann, M., Imamura, T., Kohler, E., Krause, P., Migliorini, A., Montmessin, F., Pere, C., Persson, M., Piccialli, A., Rengel, M., Rodin, A., Sandor, B., Sornig, M., Svedhem, H., Tellmann, S., Tanga, P., Vandaele, A.C., Widemann, T., Wilson, C.F., Müller-Wodarg, I., Zasova, L. (2017). The thermal structure of the venus atmosphere: intercomparison of Venus Express and ground based observations of vertical temperature and density profiles. Icarus, 294, 124–155.
Limaye, S.S., Watanabe, S., Yamazaki, A., Manabu Yamada, Takehiko Satoh, Takao M. Sato, Masato Nakamura, Makoto Taguchi, Tetsuya Fukuhara, Takeshi Imamura, Toru Kouyama, Yeon Joo Lee, Takeshi Horinouchi, Javier Peralta, Naomoto Iwagami, George L. Hashimoto, Seiko Takagi, Shoko Ohtsuki, Shin-ya Murakami, Yukio Yamamoto, Kazunori Ogohara, Hiroki Ando, Ko-ichiro Sugiyama, Nobuaki Ishii, Takumi Abe, Chikako Hirose, Makoto Suzuki, Naru Hirata, Eliot F. Young and Adriana C. Ocampo. Venus looks different from day to night across wavelengths: morphology from Akatsuki multispectral images. Earth Planets Space (2018) 70: 24. https://doi.org/10.1186/s40623-018-0789-5
Yamazaki, A., Yamada, M., Lee, Y.J, Shigeto Watanabe, Takeshi Horinouchi, Shin‐ya Murakami, Toru Kouyama, Kazunori Ogohara, Takeshi Imamura, Takao M. Sato, Yukio Yamamoto, Tetsuya Fukuhara, Hiroki Ando, Ko‐ichiro Sugiyama, Seiko Takagi, Hiroki Kashimura, Shoko Ohtsuki, Naru Hirata, George L. Hashimoto, Makoto Suzuki, Chikako Hirose, Munetaka Ueno, Takehiko Satoh, Takumi Abe, Nobuaki Ishii and Masato Nakamura. Ultraviolet imager on Venus orbiter Akatsuki and its initial results. Earth Planets Space (2018) 70: 23. https://doi.org/10.1186/s40623-017-0772-6
Imamura, T., Miyamoto, M., Ando, H., Häusler, B., Pätzold, M., Tellmann, S., Tsuda, T., Aoyama, Y., Murata, Y., Takeuchi, H., Yamazaki, A., Toda, T., Tomiki, A., (2018) 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., 123, 2151-2161. https://doi.org/10.1029/2018JE005627
Ando, H., Takagi, M., Fukuhara, T., Imamura, T., Sugimoto, N., Sagawa, H., Noguchi, K., Tellmann, S., Pätzold, M., Häusler, B., Murata, Y., Takeuchi, H., Yamazaki, A., Toda, T., Tomiki, A., Choudhary, R., Kumar, K., Ramkumar, G., & Antonitaet, M.,. (2018). 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., 123, 2270-2280. https://doi.org/10.1029/2018JE005640
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, (2018). Nightside winds at the lower clouds of Venus with Akatsuki/IR2: longitudinal, local time, and decadal variations from comparison with previous measurements. Astrophys. J. Supp., 239:29. https://doi.org/10.3847/1538-4365/aae844
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.
Peralta, J., N. Iwagami, A. Sánchez-Lavega, Y. J. Lee, R. Hueso, M. Narita, T. Imamura, P. Miles, A. Wesley, E. Kardasis, and S. Takagi (2019). Morphology and dynamics of Venus’s middle clouds with Akatsuki/IR1. Geophys. Res Lett., 46, 2399-2407. https://doi.org/10.1029/2018GL081670
P. Kopparla, Y. J. Lee, T. Imamura, A. Yamazaki, Principal components of short-term variability in the ultraviolet albedo of Venus. A&A, 626, A30, 2019. https://doi.org/10.1051/0004-6361/201935388
Nara, Y., Imamura, T., Murakami, S., Kouyama, T., Ogohara, K., Yamada, M., et al. (2019). Formation of the Y feature at the Venusian cloud top by planetary‐scale waves and the mean circulation: Analysis of Venus Express VMC images. Journal of Geophysical Research: Planets, 124, 1143-1156. https://doi.org/ 10.1029/2018JE005779
Kitahara, T., Imamura, T., Sato, T. M., Yamazaki, A., Lee, Y. J., Yamada, M., et al. (2019). Stationary features at the cloud top of Venus observed by Ultraviolet Imager onboard Akatsuki. Journal of Geophysical Research: Planets, 124, 1266-1281. https://doi.org/10.1029/ 2018JE005842
J. Peralta, 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, 2019. https://doi.org/10.1016/j.icarus.2019.05.026
Lorenz, R. D., Imai, M., Takahashi, Y., Sato, M., Yamazaki, A., Sato, T. M. et al. (2019). Constraints on Venus lightning from Akatsuki’s first 3 years in orbit. Geophysical Research Letters, 46, 7955–7961. https://doi.org/10.1029/ 2019GL083311
T. Kouyama, 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, 2019. https://doi.org/10.1029/2019GL083820.
M. Imai, T. Kouyama, Y. Takahashi, A. Yamazaki, S. Watanabe, M. Yamada, T. Imamura, T. Satoh, M. Nakamura, S. Murakami, K. Ogohara, T. Horinouchi (2019). Planetary‐scale variations in winds and UV brightness at the Venusian cloud top: Periodicity and temporal evolution. Journal of Geophysical Research: Planets, 124. https://doi.org/10.1029/2019JE006065
T. Horinouchi , 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 Space 70, 10 (2018). https://doi.org/10.1186/s40623-017-0775-3
T. Yamada, 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 Space 71, 123 (2019)
Yeon Joo Lee, Kandis-Lea Jessup, Santiago Perez-Hoyos, Dmitrij V. Titov, Sebastien Lebonnois, Javier Peralta, Takeshi Horinouchi, Takeshi Imamura, Sanjay Limaye, Emmanuel Marcq, Masahiro Takagi, Atsushi Yamazaki, Manabu Yamada, Shigeto Watanabe, Shin-ya Murakami, Kazunori Ogohara, William M. McClintock, Gregory Holsclaw, Anthony Roman, Long-term variations of Venus’ 365-nm albedo observed by Venus Express, Akatsuki, MESSENGER, and Hubble Space Telescope. Astron. J. 158:126 (2019)
Nara, Y., Imamura, T., Masunaga, K., Lee, Y. J., Terada, N., Yoshioka, K., et al. (2020). Vertical coupling between the cloud‐level atmosphere and the thermosphere of Venus inferred from the simultaneous observations by Hisaki and Akatsuki. Journal of Geophysical Research: Planets, 125, e2019JE006192. https://doi.org/ 10.1029/2019JE006192
J. Peralta, T. Navarro, C. W. Vun, A. Sanchez-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, and P. Miles, A long-lived sharp disruption on the lower clouds of Venus. Geophys. Res. Lett. 47, e2020GL087221, 2020. DOI:10.1029/2020GL087221
Wexler, D., Imamura, T., Efimov, A., Song, P., Lukanina, L., Ando, H., Jensen, E., Vierinen, J., Coster, A., Coronal electron density fluctuations inferred from Akatsuki spacecraft radio observations. Solar Phys.295, 111 (2020). https://doi.org/10.1007/s11207-020-01677-1
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.
Kopparla, P., A. Seshadri, T. Imamura, Y.J. Lee, A Recharge Oscillator Model for Interannual Variability in Venus’ Clouds. J. Geophys. Res. 125, e2020JE006568 (2020)
Y. J. Lee, 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 Comm. 11, 5720 (2020).
H. Ando, T. Imamura, S. Tellmann, M. Pätzold, B. Häusler,N. Sugimoto, M. Takagi, H. Sagawa, S. Limaye, Y. Matsuda, R.K. Choudhary, M. Antonita, Thermal structure of the Venusian atmosphere from the sub-cloud region to the mesosphere as observed by radio occultation. Sci. Rep. 10:3448 (2020). https://doi.org/10.1038/s41598-020-59278-8
Sato, T.M., Satoh, T., Sagawa, H., Manago, N., Lee, Y.J., Murakami, S., Ogohara, K., Hashimoto, G. L., Kasaba, Y., Yamazaki, A., Yamada, M., Watanabe, S., Imamura, T., Nakamura, M. (2020), Dayside cloud top structure of venus retrieved from Akatsuki IR2 observations. Icarus, 345, 113682.
Yoshida, N., H. Nakagawa, N. Terada, J. S. Evans, N. M. Schneider, S. K. Jain, T. Imamura, J.-Y. Chaufray, H. Fujiwara, J. Deighan, and B. M. Jakosky (2020), Seasonal and latitudinal variations of dayside N2/CO2 ratio in the Martian thermosphere derived from MAVEN/IUVS observations, J. Geophys. Res. Planets, 125, https://doi.org/10.1029/2020JE006378.
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.
M. Narita, D. Kimura and T. Imamura, Automatic Detection of Stationary Waves in the Venus Atmosphere Using Deep Generative Models, 2020 25th International Conference on Pattern Recognition (ICPR), 2912-2919, (2021). doi: 10.1109/ICPR48806.2021.9413038
Mori, R., *Imamura, T., Ando, H., Häusler, B., Pätzold, N., Tellmann, S. (2021), Gravity wave packets in the Venusian atmosphere observed by radio occultation experiments: comparison with saturation theory. J. Geophys. Res., 126, e2021JE006912. https://doi.org/10.1029/2021JE006912
Barucci, M. A., et al. (31st coauthor), MIRS: an imaging spectrometer for the MMX mission. Earth Planets Space, 73, 211, 2021.
Kajiwara, N., Imamura, T., Taguchi, M., & Kouyama, T. (2021). Planetary-scale waves seen in thermal infrared images of Venusian cloud top. Journal of Geophysical Research: Planets, 126, e2021JE007047. https://doi.org/10.1029/2021JE007047
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.
Narita, M., Imamura, T., Lee, Y. J., Watanabe, S., Yamazaki, A., Satoh, T., et al. (2022). Correlation of Venusian mesoscale cloud morphology between images acquired at various wavelengths. J. Geophys. Res., 127, e2022JE007228. https://doi.org/10.1029/2022JE007228
Kuramoto, K., et al. (9th coauthor), Martian moons exploration MMX: sample return mission to Phobos elucidating formation processes of habitable planets. Earth Planets Space, 74, 12, 2022.
Ogohara, K., H. Nakagawa, S. Aoki, T. Kouyama, T. Usui, N. Terada, T. Imamura, F. Montmessin, D. Brain, A. Doressoundiram, T. Gautier, T. Hara, Y. Harada, H. Ikeda, M. Koike, F. Leblanc, R. Ramirez, E. Sawyer, K. Seki, A. Spiga, A. C. Vandaele, S. Yokota, A. Barucci, and S. Kameda (2022), The Mars system revealed by the Martian Moons eXploration mission, Earth, Planets and Space, 74, 1, https://doi.org/10.1186/s40623-021-01417-0
Chiba, S., Imamura, T., Tokumaru, M., Shiota, D., Matsumoto, T., Ando, H., Takeuchi, H., Murata, Y., Yamazaki, A., Häusler, B., Pätzold, M. (2022). Observation of the Solar Corona Using Radio Scintillation with the Akatsuki Spacecraft: Difference Between Fast and Slow Wind. Solar Physics. 297. 10.1007/s11207-022-01968-9.
H. Ando, K. Takaya, M. Takagi, N. Sugimoto, T. Imamura, H. Sagawa, S. Tellmann, M. Pätzold, Y. Matsuda, B. Häusler, S. Limaye, R. K. Choudhary, M. 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. 127, e2021JE006957, 2022.
Keshav R. Tripathi, R. K. Choudhary, K. M. Ambili, T. Imamura, H. Ando (2022). 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, e2022GL097824. https://doi.org/10.1029/2022GL097824
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.
Fukuya, K., Imamura, T., Taguchi, M., Kouyama, T. (2022) Horizontal structures of bow-shaped mountain wave trains seen in thermal infrared images of Venusian clouds taken by Akatsuki LIR. Icarus 378 , 114936.
K. M. Ambili, K. R. Tripathi, R. K. Choudhary, T. Imamura, On the origin and characteristic features of the V0 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
J. Peralta, A. Cidadão, L. Morrone, C. Foster, M. Bullock, E. F. Young. Garate-Lopez, A. Sánchez-Lavega, T. Horinouchi, T. Imamura, E. Kardasis, A. Yamazaki, and S. Watanabe, (2023). Venus cloud discontinuity in 2022. The first long-term study with uninterrupted observations. Astronomy & Astrophysics, 672, L2. https://doi.org/10.1051/0004-6361/202244822
Tripathi, K. R., Choudhary, R. K., Jose, J. S., Ambili, K. M., & Imamura, T. (2023). Gravity wave modulations at the lower altitudes of Venus ionosphere. Geophy. Res. Lett. 50, e2022GL101793. https://doi.org/10.1029/2022GL101793
Tripathi, K. R., Choudhary, R. K., Ambili, K. M., & Imamura, T. (2023). Venusian ionosphere during deep solar minima: Some new insights using Akatsuki radio science experiment. Journal of Geophysical Research: Planets, 128, e2023JE007768. https://doi.org/10.1029/2023JE007768
Jain, R., Choudhary, R. K., Bhardwaj, A., Imamura, T., Sharma, A., Parikh, U.M., Turbulence dynamics and flow speeds in the inner solar corona: results from radio-sounding experiments by the Akatsuki spacecraft. Mon. Notice. Royal Astron. Soc., 525, (2023) 3730–3739
Suda, T., Imamura, T., Lee, Y. J., Yamazaki, A., Satoh, T., & Sato, T. M. (2023). Periodic variation of mesoscale ultraviolet contrast at the cloud top of Venus. Journal of Geophysical Research: Planets, 128, e2023JE007852. https://doi.org/10.1029/2023JE007852
Hiroki Karyu, Takeshi Kuroda, Takeshi Imamura, Naoki Terada, Ann Carine Vandaele, Arnaud Mahieux, Sébastien Viscardy, One-dimensional Microphysics Model of Venusian Clouds from 40 to 100 km: Impact of the Middle-atmosphere Eddy Transport and SOIR Temperature Profile on the Cloud Structure. The Planetary Science Journal, 5:57 (19pp), 2024.
Takeshi Horinouchi, Toru Kouyama, Masataka Imai, Shin-ya Murakami, Yeon Joo Lee, Atsushi Yamazaki, Manabu Yamada, Shigeto Watanabe, Takeshi Imamura, Javier Peralta, Takehiko Satoh, Long-Term Variability of Mean Winds and Planetary-scale Waves around Venusian Cloud Top Observed with Akatsuki/UVI, Journal of Geophysical Research: Planets, 129, e2023JE008221, https://doi.org/10.1029/2023JE008221, 2024. (Open Access) Available online 2024-03-20
Imamura, T., Sakurai, R., Hinson, D. (2024), Short vertical wavelength gravity waves in the Martian polar lower atmosphere observed by reanalysis of Mars Global Surveyor radio occultation data. Icarus 420, 116200
Jain, R. N., Choudhary, R. K, Imamura, T. (2024), Exploring the influence of the ‘Smiley Sun’ on the dynamics of inner solar corona and near-Earth space environment, Monthly Notices of the Royal Astronomical Society: Letters, 529, L123–L129
R. D. Lorenz, T. Imamura, H. Ando, K. Noguchi, (2024) X-Band Scintillations in Venus Radio Occultations Observed by Akatsuki, Icarus 420, 116193
Tripathi, K. R., Imamura, T., Choudhary, R. K., Sánchez–Cano, B., & Ambili, K. M. (2024). Do solar energetic particle (SEP) events influence the formation of the V0 layer in the Venusian ionosphere? Geophy. Res. Lett., 51, e2024GL109724.
Cappuccio, P., Imamura, T., Doria, I., Chiba, S., Stefano, Si. Di., Shiota, D., Asmar, S., Iess, L., (2024), Probing solar wind velocity from simultaneous superior solar conjunction radio science experiments of BepiColombo and Akatsuki missions, Monthly Notices of the Royal Astronomical Society, 533, 1560–1567
Nara, Y., Imamura, T. (2025) Improved cloud tracking method tolerant to streaky features: application to Venusian cloud images. Earth Planets Space 77, 34. https://doi.org/10.1186/s40623-025-02155-3
Chiba, S., Shoda, M., Imamura, T. (2025). Density fluctuation in the solar corona and solar wind: A comparative analysis of radio-occultation observations and magnetohydrodynamic simulation. A&A, 695, A192. https://doi.org/10.1051/0004-6361/202449189
Keshav R. Tripathi, T. Imamura, R.K. Choudhary, A novel technique for plasma asymmetry correction in radio occultation profiling, Icarus, 441, 116670 (2025).
T. Iwanaka, T. Imamura, S. Aoki, E. Marcq, H. Sagawa, A. Stolzenbach, Y. J. Lee, A. Yamazaki, Sulfur Dioxide Distribution at the Venusian Cloud-Top Retrieved From Akatsuki UV Images, J. Geophys. Res. 130, e2024JE008775 (2025)
Gaku Nishiyama, Yudai Suzuki, Shinsuke Uno, Shohei Aoki, Tatsuro Iwanaka, Takeshi Imamura, Yuka Fujii, Thomas G. Müller, Makoto Taguchi, Toru Kouyama, Océane Barraud, Mario D’Amore, Jörn Helbert, Solmaz Adel,& Harald Hiesinge, Temporal variation in the cloud-top temperature of Venus revealed by meteorological satellites, Earth, Planets and Space 77, 91, https://doi.org/10.1186/s40623-025-02223-8, 2025. (Open Access) Available online 2025-06-30
Hiroyuki Koyama, Takeshi Imamura, Takao M. Sato, Toru Kouyama, Makoto Taguchi, Venusian planetary-scale waves observed by Akatsuki longwave infrared camera: Coupled Rossby-Kelvin waves and long-term variation, Journal of Geophysical Research: Planets, 130, e2025JE009108, https://doi.org/10.1029/2025JE009108, 2025. (Open Access) Available online 2025-09-11
Hiroki Ando, Katsuyuki Noguchi, Takeshi Imamura, Masahiro Takagi, Norihiko Sugimoto, Yoshihisa Matsuda, Silvia Tellmann, Martin Pätzold, Bernd Häusler, Raj Kumar Choudhary, Maria Antonita, Vertical Propagation of Venusian Thermal Tides Above and Below Clouds Revealed by Akatsuki Radio Occultation, Journal of Geophysical Research: Planets, 130, e2025JE009165, https://doi.org/10.1029/2025JE009165, 2025. Available online 2025-09-08
Keshav Aggarwal, R. K. Choudhary, Abhirup Datta, Takeshi Imamura, On the estimation of solar wind velocity under varying solar activity conditions using Akatsuki measurements, Monthly Notices of the Royal Astronomical Society, 542, 1509 – 1517, https://doi.org/10.1093/mnras/staf1305, 2025. (Open Access) Available online 2025-08-11
Kazama, A., Aoki, S., Leseigneur, Y., Vincendon, M., Kasaba, Y., Nakagawa, H., et al. (2025). A statistical study of local dust storm occurrences on Mars using the 2.77 μm CO2 band observed by OMEGA/Mars express. Journal of Geophysical Research: Planets, 130, e2025JE008987.
Yajima, N., Izutsu, N., Imamura, T., Abe, T. (2008). Scientific Ballooning – Technology and Applications of Exploration, Balloons Floating in the Stratosphere and the Atmospheres of Other Planets, Springer.
“Understanding the Diversity of Planetary Atmospheres”, François Forget, Oleg Korablev, Julia Venturini, Takeshi Imamura, Helmut Lammer, Michel Blanc, Eds., Space Sciences Series of ISSI, 81, Springer, 597pp., 2021.
報文
Noguchi, K., Imamura, T., and Oyama, K.-I. (2000). A feasibility study for observing small lunar and Martian ionospheres by radio occultation technique, ISAS Report, 678, Institute of Space and Astronautical Science, Japan,