Paper

学術論文 

2023

BUI Duc Chinh, Yoshiki KAYANO, Fengchao XIAO, Yoshio KAMI, Multi-Objective Design of EMI Filter with Uncertain Parameters by Preference Set-based Design Method and Polynomial Chaos Method, IEICE Transactions on Communications, 2023. 

S. Pal, Y. Hobara, A. Shvets, P. W. Schnoor, M. Hayakawa, O. Koloskov, First Detection of Global Ionospheric Disturbances Associated with the Most Powerful Gamma Ray Burst GRB221009A,Atmosphere, 2023. 

Keisuke Hosokawa, Susumu Saito, Hiroyuki Nakata, Chien-Hung Lin, Jia-Ting Lin, Pornchai Supnithi, Ichiro Tomizawa, Jun Sakai, Toru Takahashi, Takuya Tsugawa, Michi Nishioka, Mamoru Ishii, Monitoring of equatorial plasma bubbles using aeronautical navigation system: a feasibility study, Earth, Planets and Space, 2023. 

L. Chen, K. Shiokawa, Y. Miyoshi, S. Oyama, C‐W. Jun, Y. Ogawa, K. Hosokawa, Y. Kazama, S. Y. Wang, S. W. Y. Tam, T. F. Chang, B. J. Wang, K. Asamura, S. Kasahara, S. Yokota, T. Hori, K. Keika, Y. Kasaba, A. Kumamoto, F. Tsuchiya, M. Shoji, Y. Kasahara, A. Matsuoka, I. Shinohara, S. Nakamura, Correspondence of Pi2 pulsations, aurora luminosity, and plasma flux fluctuation near a substorm brightening aurora: Arase observations, Journal of Geophysical Research: Space Physics, 2023. 

S. Nanjo, S. Ebukuro, S. Nakamura, Y. Miyoshi, S. Kurita, S.‐I. Oyama, Y. Ogawa, K. Keika, Y. Kasahara, S. Kasahara, A. Matsuoka, T. Hori, S. Yokota, S. Matsuda, I. Shinohara, S.‐Y. Wang, Y. Kazama, C.‐W. Jun, M. Kitahara, K. Hosokawa, An Implication of Detecting the Internal Modulation in a Pulsating Aurora: A Conjugate Observation by the Arase Satellite and All‐Sky Imagers, Journal of Geophysical Research: Space Physics, 2023. 

K. Hosokawa, S.‐I. Oyama, Y. Ogawa, Y. Miyoshi, S. Kurita, M. Teramoto, S. Nozawa, T. Kawabata, Y. Kawamura, Y.‐M. Tanaka, H. Miyaoka, R. Kataoka, K. Shiokawa, U. Brändström, E. Turunen, T. Raita, M. G. Johnsen, C. Hall, D. Hampton, Y. Ebihara, Y. Kasahara, S. Matsuda, I. Shinohara, R. Fujii, A Ground‐Based Instrument Suite for Integrated High‐Time Resolution Measurements of Pulsating Aurora With Arase, Journal of Geophysical Research: Space Physics, 2023. 

S. Oyama, K. Hosokawa, H. Vanhamäki, A. Aikio, T. Sakanoi, L. Cai, I. I. Virtanen, K. Shiokawa, N. Nishitani, A. Shinbori, Y. Ogawa, IMF Dependence of Midnight Bifurcation in the Thermospheric Wind at an Auroral Latitude Based on Nine Winter Measurements in Tromsø, Norway, Geophysical Research Letters, 2023. 

Shin-ichiro Oyama, Anita Aikio, Takeshi Sakanoi, Keisuke Hosokawa, Heikki Vanhamäki, Lei Cai, Ilkka Virtanen, Marcus Pedersen, Kazuo Shiokawa, Atsuki Shinbori, Nozomu Nishitani, Yasunobu Ogawa, Geomagnetic activity dependence and dawn-dusk asymmetry of thermospheric winds from 9-year measurements with a Fabry–Perot interferometer in Tromsø, Norway, Earth, Planets and Space, 2023. 

Takahiro Oyama, Yuki Ohno, Akemi Tamanai, Yoshimasa Watanabe, Satoshi Yamamoto, Takeshi Sakai, Shaoshan Zeng, Riouhei Nakatani, Nami Sakai, Laboratory Measurement of CH2DOH Line Intensities in the Millimeter-wave Region,The Astrophysical Journal, 2023.  

Kaho Morii, Patricio Sanhueza, Fumitaka Nakamura, Qizhou Zhang, Giovanni Sabatini, Henrik Beuther, Xing Lu, Shanghuo Li, Guido Garay, James M. Jackson, Fernando A. Olguin, Daniel Tafoya, Ken’ichi Tatematsu, Natsuko Izumi, Takeshi Sakai, Andrea Silva, The ALMA Survey of 70 μm Dark High-mass Clumps in Early Stages (ASHES). IX. Physical Properties and Spatial Distribution of Cores in IRDCs, The Astrophysical Journal, 2023.  

Yasumasa Yamasaki, Yutaka Hasegawa, Sho Yoneyama, Sana Kawashita, Tsubasa Chinen, Sho Masui, Chiaki Nosohara, Heyang Sun, Shuto Dakie, Akira Kameyama, Ikko Fujitomo, Yuma Nishikawa, Hideo Ogawa, Ken’ichi Tatematsu, Atsushi Nishimura, Chieko Miyazawa, Toshikazu Takahashi, Jun Maekawa, Alvaro Gonzalez, Takafumi Kojima, Hiroaki Imada, Keiko Kaneko, Ryo Sakai, Takeshi Sakai, Toshikazu Onishi, Development of seven-beam optics using dielectric lenses for a new 72–116 GHz receiver in the Nobeyama 45 m telescope, Publications of the Astronomical Society of Japan, 2023. 

A. Shinbori, Y. Otsuka, T. Sori, M. Nishioka, S. Perwitasari, T. T. Tsuda, N. Nishitani, A. Kumamoto, F. Tsuchiya, S. Matsuda, Y. Kasahara, A. Matsuoka, S. Nakamura, Y. Miyoshi, I. Shinohara, New aspects of the upper atmospheric disturbances caused by the explosive eruption of the 2022 Hunga Tonga–Hunga Ha’apai volcano, Earth Planets Space, 2023. 

A. Shinbori, T. Sori, Y. Otsuka, M. Nishioka, S. Perwitasari, T. T. Tsuda, A. Kumamoto, F. Tsuchiya, S. Matsuda, Y. Kasahara, A. Matsuoka, S. Nakamura, Y. Miyoshi, I. Shinohara, Generation of equatorial plasma bubble after the 2022 Tonga volcanic eruption, Sci. Rep., 2023.

石井智士, 遠藤哲歩, 高田拓, 上田真也, 別所晏柚, 加藤恵輔, 津田卓雄, 穂積裕太, 鈴木秀彦, 夜光雲観測のための超小型係留気球観測システムの開発と実証実験: 2021 夏季北海道試験飛揚, 宇宙航空研究開発機構研究開発報告: 大気球研究報告, 2023. 

S. Nozawa, N. Saito, T. D. Kawahara, S. Wada, T. T. Tsuda, S. Maeda, T. Takahashi, H. Fujiwara, V. L. Narayanan, T. Kawabata, M. G. Johnsen, A statistical study of convective and dynamic instabilities in the polar upper mesosphere above Tromsø, Earth Planets Space, 2023. 

D. Mondal, Y. Hobara, H. Kikuchi, J. Lapierre, Total Lightning Distribution and Heavy Rainfall Characteristics Associated with Multicellular Thunderstorms, URSI Radio Science Bulletin, 2021, 2023. 

H. Kuroda, D, Kitahara, E. Yoshikawa, H. Kikuchi, T. Ushio, Convex Estimation of Sparse-Smooth Power Spectral Densities from Mixtures of Realizations with Application to Weather Radar, IEEE Access, 2023. 

鹿倉周太郎, 菊池博史, 芳原容英, 吉川英一, 中村佳敬, 森本健志, 牛尾知雄, 気象用二重フェーズドアレイ気象レーダとLF帯雷放電装置を用いた雲内粒子と放電過程の時系列変化, Journal of Atmospheric Electricity Letters (accepted), 2023 

山極 大葵, 萓野 良樹, 上 芳夫, 肖 鳳超, 井上 浩, 薄い導体シールドに起因する一次定数の周波数分散の定量的表現 および近傍磁界シールド効果との対応関係,電子情報通信学会, 2023. 

2022

Y. Moroda, K. Tsuboki, S. Satoh, K. Nakagawa, T. Ushio, and H. Kikuchi, Lightning Bubbles Caused by Upward Reflectivity Pulses above Precipitation Cores of a Thundercloud, The Scientific Online Letters on the Atmosphere (SOLA), 2022.. 

H. Kikuchi, Y. Hobara and T. Ushio, Compressive Sensing to Reduce the Number of Elements in a Linear Antenna Array with a Phased Array Weather Radar, IEEE Transactions on Geoscience and Remote Sensing, 2022.. 

D. Kitahara, H. Kuroda, A. Hirabayashi, E. Yoshikawa, H. Kikuchi and T. Ushio, Nonlinear Beamforming Based on Group-Sparsities of Periodograms for Phased Array Weather Radar, IEEE Transactions on Geoscience and Remote Sensing, 2022.. 

S.-i. Oyama, H. Vanhamäki, L. Cai, A. Aikio, M. Rietveld, Y. Ogawa, T. Raita, M. Kellinsalmi, K. Kauristie, B. Kozelov, A. Shinbori, K. Shiokawa, T. T. Tsuda, and T. Sakanoi, Thermospheric wind response to a sudden ionospheric variation in the trough: Event at a pseudo breakup during geomagnetically quiet conditions, Earth Planets Space, 2022.. 

A. Shinbori, Y. Otsuka, T. Sori, M. Nishioka, S. Perwitasari, T. T. Tsuda, and N. Nishitani, Electromagnetic conjugacy of ionospheric disturbances after the 2022 Hunga Tonga-Hunga Ha'apai volcanic eruption as seen in GNSS-TEC and SuperDARN Hokkaido pair of radars observations, Earth Planets Space, 2022.. 

M. Yamauchi, J. D. Keyser, G. Parks, et.al., Plasma-neutral gas interactions in various space environments: Assessment beyond simplified approximations as a Voyage 2050 theme, Exp. Astron., 2022.. 

H. Suzuki, A. Matsumoto, P. Dalin, Y. Nakamura, S. Ishii, K. Sakanoi, K. Sakaguchi, T. Takada, T. T. Tsuda, and Y. Hozumi, Capability of airline jets as an observation platform for noctilucent clouds at middle latitudes, Prog. Earth Planet Sci., 2022.. 

Sabatini, Giovanni; Bovino, Stefano; Sanhueza, Patricio; Morii, Kaho, et.al., The ALMA Survey of 70 μm Dark High-mass Clumps in Early Stages (ASHES). VI. The Core-scale CO Depletion, The Astrophysical Journal, 2022.. 

Vastel, C.; Alves, F.; Ceccarelli, C.; Bouvier, M., et. al., FAUST. V. Hot methanol in the [BHB2007] 11 protobinary system; hot corino versus shock origin, Astronomy & Astrophysics, 2022.. 

Imai, Muneaki; Oya, Yoko; Svoboda, Brian; Liu, et. al., Chemical and Physical Characterization of the Isolated Protostellar Source CB68: FAUST IV, The Astrophysical Journal, 2022. . 

Ohno, Yuki; Oyama, Takahiro; Tamanai, Akemi; Zeng, Shaoshan; Watanabe, Yoshimasa; Nakatani, Riouhei; Sakai, Takeshi; Sakai, Nami, Laboratory Measurement of Millimeter-wave Transitions of 13CH2DOH for Astronomical Use, The Astrophysical Journal, 2022. Tatematsu, Ken'ichi; Yeh, You-Ting; Hirano, Naomi; Liu, Sheng-Yuan; Liu, Tie; Dutta, Somnath, et. al., Nobeyama Survey of Inward Motions toward Cores in Orion Identified by SCUBA-2, The Astrophysical Journal, 2022.. 

Olguin, Fernando A.; Sanhueza, Patricio; Ginsburg, Adam; Chen, Huei-Ru Vivien; Zhang, Qizhou; Li, Shanghuo; Lu, Xing; Sakai, Takeshi, Digging into the Interior of Hot Cores with ALMA (DIHCA). II. Exploring the Inner Binary (Multiple) System Embedded in G335 MM1 ALMA1, The Astrophysical Journal, 2022.. 

Ohashi, Satoshi; Codella, Claudio; Sakai, Nami; Chandler, Claire J. et.al., Misaligned Rotations of the Envelope, Outflow, and Disks in the Multiple Protostellar System of VLA 1623-2417: FAUST. III, The Astrophysical Journal, 2022.. 

Sakai, Takeshi; Sanhueza, Patricio; Furuya, Kenji; Tatematsu, Ken'ichi; Li, Shanghuo; Aikawa, Yuri; Lu, Xing; Zhang, Qizhou; Morii, Kaho; Nakamura, Fumitaka; Takemura, Hideaki; Izumi, Natsuko; Hirota, Tomoya; Silva, Andrea; Guzman, Andres E.; Sakai, Nami; Yamamoto,

Satoshi, The ALMA Survey of 70 μm Dark High-mass Clumps in Early Stages (ASHES). V. Deuterated Molecules in the 70 μm Dark IRDC G14.492-00.139, The Astrophysical Journal, 2022.. 

Shumko, M., Gallardo-Lacourt, B., Halford, A. J., Blum, L. W., Liang, J., Miyoshi, Y., Hosokawa, K., Donovan, E., Mann, I. R., Murphy, K., Spanswick, E. L., Blake, J. B., Looper, M. D. and Gillies, D. M., Proton aurora and relativistic electron microbursts scattered by electromagnetic ion cyclotron waves, Front. Astron. Space Sci., 2022.. 

Fukizawa, M., Sakanoi, T., Tanaka, Y., Ogawa, Y., Hosokawa, K., Gustavsson, B., Kauristie, K., Kozlovsky, A., Raita, T., Brändström, U., and Sergienko, T., Reconstruction of precipitating electrons and three-dimensional structure of a pulsating auroral patch from monochromatic auroral images obtained from multiple observation points, Ann. Geophys., 2022.. 

Nanjo, S., Nozawa, S., Yamamoto, M. Kawabata, T., Johnsen, M. G., Tsuda, T. T., and Hosokawa, K., An automated auroral detection system using deep learning: real-time operation in Tromsø, Norway, Scientific Reports, 2022.

Kikuchi, T., Araki, T., Hashimoto, K. K., Ebihara, Y., Tanaka, T., Nishimura, Y., Vichare, G., Sinha, A. K., Chum, J., Hosokawa, K., Tomizawa, I., Tanaka, Y. and Kadokura, A.,Instantaneous Achievement of the Hall and Pedersen–Cowling Current Circuits in Northern and Southern Hemispheres During the Geomagnetic Sudden Commencement on 12 May 2021, Front. Astron. Space Sci., 2022.. 

Ozaki, M., Yagitani, S., Shiokawa, K., Tanaka, Y., Ogawa, Y., Hosokawa, K., et al.,Slow contraction of flash aurora induced by an isolated chorus element ranging from lower-band to upper-band frequencies in the source region, Geophysical Research Letters, 2022.. 

Matsushima, R., K. Hosokawa, J. Sakai, Y. Otsuka, M. K. Ejiri, M. Nishioka and T. Tsugawa,Propagation characteristics of sporadic E and medium-scale traveling ionospheric disturbances (MSTIDs): statistics using HF Doppler and GPS-TEC data in Japan,Earth Planets Space, 2022.. 

Yu, Y., K. Hosokawa, B. Ni, V. Jordanova, Y. Miyoshi, X. Tian, L. Ma, and J. Cao, On the importance of using event-specific chorus wave dynamics in simulating diffuse electron precipitation, Journal of Geophysical Research: Space Physics, 2022.. 

Safargaleev, V., Sergienko, T., Hosokawa, K. et al.,Altitude of pulsating arcs as inferred from tomographic measurements,Earth Planets Space, 2022.

Tsuda, T. T., Hozumi, Y., Kawaura, K., Tatsuzawa, K., Ando, Y., Hosokawa, K., et al., Detection of polar mesospheric clouds utilizing Himawari-8/AHI full-disk images, ,Earth and Space Science, 2022.. 

木村亮太, 安藤芳晃, 服部克巳, 早川正士, WLP-FDTD法を用いた地殻変動に伴うULF帯電磁放射の波源電流強度推定の高精度化, Journal of Atmospheric Electricity, 2022.. 

Y. Hobara, M. Watanabe, R. Miyajima, H. Kikuchi, T.Tsuda, and M. Hayakawa,On the Spatio-Temporal Dependence of Anomalies in the Atmospheric Electric Field Just around the Time of Earthquakes,Atmosphere, 2022.. 

M. Hayakawa, A. Schekotov, J. Izutsu, S. S. Yang, M. Solovieva, and Y. Hobara,CMulti-Parameter Observations of Seismogenic Phenomena Related to the Tokyo Earthquake (M = 5.9) on 7 October 2021,Geosciences.,2022.. 

T. Yamagiwa, Y. Kayano, Y. Kami, and F. Xiao,Experimental extraction method for primary and secondary parameters of shielded-flexible printed circuits,IEICE Trans. Electron., 2022. 

2021

K. Asai, H. Kikuchi, T. Ushio, and Y. Hobara,Validation of X-Band Multiparameter Phased-Array Weather Radar by Comparing Data from Doppler Weather Radar with a Parabolic Dish Antenna, Journal of Atmospheric and Oceanic Technology,Journal of Atmospheric and Oceanic Technology,2021. 

T. T. Tsuda, Y. Hozumi, K. Kawaura, K. Tatsuzawa, Y. Ando, K. Hosokawa, H. Suzuki, K. T. Murata, T. Nakamura, J. Yue, K. Nielsen,Detection of Polar Mesospheric Clouds Utilizing Himawari-8/AHI Full-Disk Images,Earth and Space Science,2021. 

Yuta Hozumi, Takuo T. Tsuda, Keisuke Hosokawa, Yoshiaki Ando, Hidehiko Suzuki, Takeshi Murata, and Takuji Nakamura,Horizontal Movement of Polar Mesospheric Clouds Observed From the Himawari-8 Geostationary Meteorological Satellite,Journal of Geophysical Research, Atmospheres,2021. 

Yoshiki Shibayama, Yoshimasa Watanabe, Yoko Oya, Nami Sakai, Ana López-Sepulcre, Sheng-Yuan Liu, Yu-Nung Su, Yichen Zhang, Takeshi Sakai, Tomoya Hirota, Satoshi Yamamoto,Exploring the 100 au Scale Structure of the Protobinary System NGC 2264 CMM3 with ALMA,The Astrophysical Journal,2021. 

H. Kikuchi, E. Yoshikawa, T. Ushio and Y. Hobara,Adaptive Beamforming Using Steering Vector Correction for Phased-Array Weather Radar,IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing,2021. 

Patricio Sanhueza, Josep Miquel Girart, Marco Padovani, Daniele Galli, Charles L. H. Hull, Qizhou Zhang, Paulo Cortes, Ian W. Stephens, Manuel Fernandez-Lopez, James M. Jackson, Pau Frau, Patrick M. Kock, Benjamin Wu, Luis A. Zapata, Fernando Olguin, Xing Lu, Andrea Silva, Ya-Wen Tang, Takeshi Sakai, Andres E. Guzman, Ken'ichi Tatematsu, Fumitaka Nakamura, Huei-Ru Vivien Chen,Gravity Driven Magnetic Field at ~1000 au Scales in High-mass Star Formation,The Astrophysical Journal Letters,2021. 

R. J. Boynton, S. N. Walker, H. Aryan, Y. Hobara, M. A. Balikhin,A Dynamical Model of Equatorial Magnetosonic Waves in the Inner Magnetosphere: A Machine Learning Approac,JGR Space Physics,2021. 

Daniel Tafoya, Patricio Sanhueza, Qizhou Zhang, Shanghuo Li, Andrés E. Guzmán, Andrea Silva, Eduardo de la Fuente, Xing Lu, Kaho Morii, Ken'ichi Tatematsu, Yanett Contreras, Natsuko Izumi, James M. Jackson, Fumitaka Nakamura, Takeshi Sakai,The ALMA Survey of 70 μm Dark High-mass Clumps in Early Stages (ASHES). III. A Young Molecular Outflow Driven by a Decelerating Jet,The Astrophysical Journal,2021. 

Li, Hsien-Ming, Shue, Jih-Hong, Taguchi, Satoshi, Nose, Masahito, Hosokawa, Keisuke, Ruohoniemi, J. Michael, Zhang, Yongliang, Wing, Simon, Lester, Mark,Dayside Cusp Aurorae and Ionospheric Convection Under Radial Interplanetary Magnetic Fields,JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS,2021. 

Watanabe, Yoshimasa; Chiba, Yutaro; Sakai, Takeshi; Tamanai, Akemi; Suzuki, Rikako; Sakai, Nami,Spectrometer Using superconductor MIxer Receiver (SUMIRE) for laboratory submillimeter spectroscopy,Publications of the Astronomical Society of Japan,2021. 

Yang, Yao-Lun; Sakai, Nami; Zhang, Yichen; Murillo, Nadia M.; Zhang, Ziwei E.; Higuchi, Aya E.; Zeng, Shaoshan; López-Sepulcre, Ana; Yamamoto, Satoshi; Lefloch, Bertrand; Bouvier, Mathilde; Ceccarelli, Cecilia; Hirota, Tomoya; Imai, Muneaki; Oya, Yoko; Sakai, Takeshi; Watanabe, Yoshimasa,The Perseus ALMA Chemistry Survey (PEACHES). I. The Complex Organic Molecules in Perseus Embedded Protostars,The Astrophysical Journal,2021. 

Olguin, Fernando A.; Sanhueza, Patricio; Guzmán, Andrés E.; Lu, Xing; Saigo, Kazuya; Zhang, Qizhou; Silva, Andrea; Chen, Huei-Ru Vivien; Li, Shanghuo; Ohashi, Satoshi; Nakamura, Fumitaka; Sakai, Takeshi; Wu, Benjamin,Digging into the Interior of Hot Cores with ALMA (DIHCA). I. Dissecting the High-mass Star-forming Core G335.579-0.292 MM1,The Astrophysical Journal,2021. 

Taishiro Miyamoto, Shin-ichiro Oyama, Tero Raita, Keisuke Hosokawa, Yoshizumi Miyoshi, Yasunobu Ogawa, Satoshi Kurita,Variations in Cosmic Noise Absorption in Association With Equatorward Development of the Pulsating Auroral Patch: A Case Study to Estimate the Energy Spectra of Auroral Precipitating Electrons,Journal of Geophysical Research,2021. 

Kanya Kusano, Kiyoshi Ichimoto, Mamoru Ishii, Yoshizumi Miyoshi, Shigeo Yoden, Hideharu Akiyoshi, Ayumi Asai, Yusuke Ebihara, Hitoshi Fujiwara, Tada-Nori Goto, Yoichiro Hanaoka, Hisashi Hayakawa, Keisuke Hosokawa, Hideyuki Hotta, Kornyanat Hozumi, Shinsuke Imada, Kazumasa Iwai, Toshihiko Iyemori, Hidekatsu Jin, Ryuho Kataoka, Yuto Katoh, Takashi Kikuchi, Yûki Kubo, Satoshi Kurita, Haruhisa Matsumoto, Takefumi Mitani, Hiroko Miyahara, Yasunobu Miyoshi, Tsutomu Nagatsuma, Aoi Nakamizo, Satoko Nakamura, Hiroyuki Nakata, Naoto Nishizuka, Yuichi Otsuka, Shinji Saito, Susumu Saito, Takashi Sakurai, Tatsuhiko Sato, Toshifumi Shimizu, Hiroyuki Shinagawa, Kazuo Shiokawa, Daikou Shiota, Takeshi Takashima, Chihiro Tao, Shin Toriumi, Satoru Ueno, Kyoko Watanabe, Shinichi Watari, Seiji Yashiro, Kohei Yoshida & Akimasa Yoshikawa,PSTEP: project for solar–terrestrial environment prediction,Earth, Planets, Space,2021. 

Y. Miyoshi, K. Hosokawa, S. Kurita, S.-I. Oyama, Y. Ogawa, S. Saito, I. Shinohara, A. Kero, E. Turunen, P. T. Verronen, S. Kasahara, S. Yokota, T. Mitani, T. Takashima, N. Higashio, Y. Kasahara, S. Matsuda, F. Tsuchiya, A. Kumamoto, A. Matsuoka, T. Hori, K. Keika, M. Shoji, M. Teramoto, S. Imajo, C. Jun & S. Nakamura,Penetration of MeV electrons into the mesosphere accompanying pulsating aurorae,Scientific Reports,2021. 

T. Namekawa, T. Mitani, K. Asamura, Y. Miyoshi, K. Hosokawa, Y. Ogawa, S. Saito, T. Hori, S. Sugo, O. Kawashima, S. Kasahara, R. Nomura, N. Yagi, M. Fukizawa, T. Sakanoi, Y. Saito, A. Matsuoka, I. Shinohara, Y. Fedorenko, A. Nikitenko, C. Koehler,Rocket Observation of Sub-Relativistic Electrons in the Quiet Dayside Auroral Ionosphere,Journal of Geophysical Research,2021. 

Mitsunori Ozaki, Tomohiro Inoue, Yoshimasa Tanaka, Satoshi Yagitani, Yoshiya Kasahara, Kazuo Shiokawa, Yoshizumi Miyoshi, Kousuke Imamura, Keisuke Hosokawa,Spatial Evolution of Wave-Particle Interaction Region Deduced From Flash-Type Auroras and Chorus-Ray Tracing,,2021. 

Hosokawa, K., M. Nagata, K. Shiokawa, Y. Otsuka,What controls the luminosity of polar cap airglow patches?: Implication from airglow measurements in Eureka, Canada in comparison with SuperDARN convection pattern,Polar Science,2021. 

Hosokawa, K., Y. Miyoshi, S.-I. Oyama,Y. Ogawa, S. Kurita,Y. Kasahara, Y. Kasaba, S. Yagitani, S. Matsuda, M. Ozaki, F. Tsuchiya, A. Kumamoto, T. Takashima, I. Shinohara, R. Fujii,Over-darkening of pulsating aurora,Journal of Geophysical Research,2021. 

Sugo, S., O. Kawashima, S. Kasahara, K. Asamura, R. Nomura, Y. Miyoshi, Y. Ogawa, K. Hosokawa, T. Mitani, T. Namekawa, T. Sakanoi, M. Fukizawa, N. Yagi, Y. Fedorenko, A. Nikitenko, S. Yokota, K. Keika, T. Hori, and C. Koehler,Energy-resolved detection of precipitating electrons of 30–100 keV by a sounding rocket associated with dayside chorus waves,Journal of Geophysical Research,2021. 

Tretler, R., T. Tatsuno, and K. Hosokawa,Plasma sheet thinning due to loss of near-Earth magnetotail plasma,Journal of Plasma Physics,2021. 

Hosokawa, K., K., Kimura, J. Sakai, S. Saito, I. Tomizawa, M. Nishioka, T. Tsugawa and M. Ishii,Visualizing sporadic E using aeronautical navigation signals at VHF frequencies,Journal of Space Weather and Space Climate,2021. 

Ozaki, M., K. Shiokawa, R. B. Horne, M. J. Engebretson, M. Lessard, Y. Ogawa, K. Hosokawa, M. Nosé, Y. Ebihara, A. Kadokura, S. Yagitani, Y. Miyoshi, S. Hashimoto, S. S. Ashwini, K. S. Gopi, K. Seemala, C.-W. Jun,Magnetic conjugacy of Pc1 waves and isolated proton precipitation at subauroral latitudes: Importance of ionosphere as intensity modulation region,Geophysical Research Letters,2021. 

Kikuchi, T., J. Chum, I. Tomizawa, K. K. Hashimoto, K. Hosokawa, Y. Ebihara, K. Hozumi, and P. Supnithi,Penetration of the electric fields of the geomagnetic sudden commencement over the globe as observed with the HF Doppler sounders and magnetometers,Earth Planets Space,2021. 

Kagawa, A., Hosokawa, K., Ogawa, Y., Ebihara, Y., & Kadokura,Occurrence distribution of polar cap patches: dependences on UT, season and hemisphere,Journal of Geophysical Research,2021. 

M. Fukizawa, T. Sakanoi, Y. Ogawa, T. T. Tsuda, and K. Hosokawa,Statistical study of electron density enhancements in the ionospheric F region associated with pulsating auroras,J. Geophys. Res. Space Physics,2021. 

Y. Hozumi, T. T. Tsuda, K. Hosokawa, Y. Ando, H. Suzuki, K. T. Murata, and T. Nakamura,Horizontal movement of polar mesospheric clouds observed from the Himawari-8 geostationary meteorological satellite,J. Geophys. Res. Atmospheres,2021. 

T. T. Tsuda, Y.-M. Tanaka, R. Tozu, K. Takizawa, M. K. Ejiri, T. Nishiyama, T. D. Kawahara, and T. Nakamura,Relationship between Na layer and CNA variations observed at Syowa, Antarctic,Earth Planets Space,2021. 

H. Kikuchi, E. Yoshikawa, T. Ushio, and Y. Hobara,Adaptive Beamforming Using Steering Vector Correction for Phased-Array Weather Radar,IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing,2021. 

K. Asai, H. Kikuchi, Y. Hobara, and T. Ushio,Validation of X-band multi-parameter phased array weather radar by comparing data from Doppler weather radar with a parabolic dish antenna,Journal of Atmospheric and Oceanic Technology,2021. 

D. K. Kim, T. Suezawa, T. Mega, H. Kikuchi, E. Yoshikawa, P. Baron, T. Ushio,Improving precipitation nowcasting using a three-dimensional convolutional neural network model from Multi Parameter Phased Array Weather Radar observations,Atmospheric Research,2021. 

2020

Tsuda, T. T., Li, C., Hamada, S., Hosokawa, K., Oyama, S.‐i., Nozawa, S., et al.,OI 630.0‐nm and N2 1PG emissions in pulsating aurora events observed by an optical spectrograph at Tromsø, Norway,Journal of Geophysical Research,2020. 

Miyoshi, Y.,  Saito, S.,  Kurita, S.,  Asamura, K.,  Hosokawa, K.,  Sakanoi, T., et al.,Relativistic Electron Microbursts as High Energy Tail of Pulsating Aurora Electrons,Geophysical Research Letters,2020. 

Kataoka, R., Y. Asaoka, S. Torii, S. Nakahira, H. Ueno, S. Miyake, Y. Miyoshi, S. Kurita, M. Shoji, Y. Kasahara, M. Ozaki, S. Matsuda, A. Matsuoka, Y. Kasaba, I. Shinohara, K. Hosokawa, H. A. Uchida, K. Murase, and Y. Tanaka,Plasma waves causing relativistic electron precipitation events at International Space Station: Lessons from conjunction observations with Arase satellite,Journal of Geophysical Research,2020. 

Sakai, J., Saito, S., Hosokawa, K., and Tomizawa, I.,Anomalous propagation of radio waves from distant ILS localizers due to ionospheric sporadic‐E,Space Weather,2020. 

Shiokawa, K., M. Nose, S. Imajo, Y. Tanaka, Y. Miyoshi, K. Hosokawa, M. Connors, M. Engebretson, Y. Kazama, S.-Y. Wang, S. W. Y. Tam, Tzu-Fang Chang, Bo-Jhou Wang, K. Asamura, S. Kasahara, S. Yokota, T. Hori, K. Keika, Y. Kasaba, M. Shoji, Y. Kasahara, A. Matsuoka and I. Shinohara,Arase observation of the source region of auroral arcs and diffuse auroras in the inner magnetosphere,Journal of Geophysical Research,2020. 

Tretler, R., T. Tatsuno and K. Hosokawa,Loss of the Rarefaction Wave during Plasma Sheet Thinning,Plasma and Fusion Research,2020. 

Uchida, H. A., R. Kataoka, A. Kadokura, K. Murase, A. S. Yukimatu, Y. Miyoshi, K. Shiokawa, Y. Ebihara, K. Hosokawa, A. Matsuoka, S. Kurita, S. Fujita and I. Shinohara,Asymmetric development of auroral surges in the Northern and Southern Hemispheres,Geophysical Research Letters,2020. 

Yokoyama, Y., Taguchi, S., Iyemori, T., and Hosokawa, K.,The quasipersistent feature of highly structured field‐aligned currents in the duskside auroral oval: Conjugate observation via Swarm satellites and a ground all‐sky imager,Journal of Geophysical Research,2020. 

Kawamura, Y., K. Hosokawa, S. Nozawa, Y. Ogawa, T. Kawabata, S.-I. Oyama, Y. Miyoshi, S. Kurita and R. Fujii,Estimation of the emission altitude of pulsating aurora using the five-wavelength photometer,Earth, Planets and Space,2020. 

Hosokawa, K., J. Sakai, I. Tomizawa, S. Saito, T. Tsugawa, M. Nishioka and M. Ishii,A monitoring network for anomalous propagation of aeronautical VHF radio waves due to sporadic E in Japan,Earth, Planets and Space,2020. 

Hashimoto K. K., T. Kikuchi, I. Tomizawa, K. Hosokawa, J. Chum, D. Buresova, M. Nose and K. Koga,Penetration electric fields observed at middle and low latitudes during the 22 June 2015 geomagnetic storm,Earth, Planets and Space,2020. 

Hosokawa, K., K. Takami, S. Saito, Y. Ogawa, Y. Otsuka, K. Shiokawa, C.-H. Chen and C.-H. Lin,Observations of equatorial plasma bubbles using a low-cost 630.0-nm all-sky imager in Ishigaki Island, Japan,Earth, Planets and Space,2020. 

Hosokawa, K., Y. Miyoshi, M. Ozaki, S.-I. Oyama, Y. Ogawa, S. Kurita, Y. Kasahara, Y. Kasaba, S. Yagitani, S. Matsuda, F. Tsuchiya, A. Kumamoto, R. Kataoka, K. Shiokawa, T. Raita, E. Turunen, T. Takashima, I. Shinohara and R. Fujii,Multiple time-scale beats in aurora: precise orchestration via magnetospheric chorus waves,Scientific Reports,2020. 

Nanjo, S., Y. Hozumi, K. Hosokawa, R. Kataoka, Y. Miyoshi, S. Oyama, M. Ozaki, K. Shiokawa and S. Kurita,Fine-scale visualization of aurora in a wide area using color digital camera images from the International Space Station,Journal of Geophysical Research,2020. 

Billett, D. D., K. Hosokawa, A. Grocott, J. A. Wild, A. L. Aruliah, Y. Ogawa, S. Taguchi and M. Lester,Multi‐Instrument Observations of Ion‐Neutral Coupling in the Dayside Cusp,Geophysical Research Letters,2020. 

Ogawa, Y., Y. Tanaka, A. Kadokura, K. Hosokawa, Y. Ebihara, T. Motoba, B. Gustavsson, U. Brandstrom, Y. Sato, S. Oyama, T. Raita, F. Sigernes, S. Nozawa, K. Shiokawa, M. J. Kosch, K. Kauristie, C. Hall, S. Suzuki, Y. Miyoshi, A. Gerrard, H. Miyaoka, R. Fujii,Development of low-cost multi-wavelength imager system for studies of aurora and airglow,Polar Science,2020. 

Hosokawa, K., A. Kullen, S. Milan, J. Reidy, Y. Zou, H. Frey, R. Maggiolo and R. Fear,Aurora in the Polar Cap: A Review,Space Science Review,2020. 

Nishimura, Y., M. Lessard, Y. Katoh, Y. Miyoshi, E. Grono, N. Partamies, N. Sivadas, K. Hosokawa, M. Fukizawa, M. Samara, R. Michell, R. Kataoka, T. Sakanoi, D. Whiter, S. Oyama, Y. Ogawa and S. Kurita,Diffuse and Pulsating Aurora,Space Science Review,2020. 

T. T. Tsuda, C. Li, S. Hamada, K. Hosokawa, S.-i. Oyama, S. Nozawa, T. Kawabata, A. Mizuno, J. Kurihara, T. Nishiyama, and M. J. Kosch,OI 630.0 nm and N2 1PG emissions in pulsating aurora events observed by an optical spectrograph at Tromsø, Norway,J. Geophys. Res. Space Physics,2020. 

S. Oyama, A. Shinbori, Y. Ogawa, M. Kellinsalmi, T. Raita, A. Aikio, H. Vanhamäki, K. Shiokawa, I. Virtanen, L. Cai, A. B. Workayehu, M. Pedersen, K. Kauristie, T. T. Tsuda, B. Kozelov, A. Demekhov, A. Yahnin, F. Tsuchiya, A. Kumamoto, Y. Kasahara, A. Matsuoka, M. Shoji, M. Teramoto, and M. Lester,An ephemeral red arc appeared at 68º MLat at a pseudo breakup during geomagnetically quiet conditions,J. Geophys. Res. Space Physics,2020. 

E. Yoshikawa, T. Ushio, and H. Kikuchi,A Study of Comb Beam Transmission on Phased Array Weather Radars,IEEE Transactions on Geoscience and Remote Sensing,2020. 

E. Yoshikawa, N. Takizawa, H. Kikuchi, T. Mega, T. Ushio,An Estimator for Weather Radar Doppler Power Spectrum via Minimum Mean Square Error,IEEE Transactions on Geoscience and Remote Sensing,2020. 

H. Kikuchi, E. Yoshikawa, T. Ushio, and Y. Hobara,Clutter reduction for Phased-Array Weather Radar using Diagonal Capon Beamforming with Neural Networks,IEEE Geoscience and Remote Sensing Letters,2020. 

H. Kikuchi, T. Suezawa, T. Ushio, N. Takahashi, H. Hanado, K. Nakagawa, M. Osada, T. Maesaka, K. Iwanami, K. Yoshimi, F. Mizutani, M. Wada, and Y. Hobara,Initial observations for Precipitation Cores with X-band Dual Polarized Phased Array Weather Radar,IEEE Transactions on Geoscience and Remote Sensing,2020. 

R. Kawami, D. Kitahara, A. Hirabayashi, E. Yoshikawa, H. Kikuchi, and T. Ushio,Three-Dimensional Data Compression and Fast High-Quality Reconstruction for Phased Array Weather Radar,IEEJ Transactions on Electronics, Information and Systems,2020. 

H. Kikuchi, E. Yoshikawa, T. Ushio and Y. Hobara,Clutter Reduction for Phased-Array Weather Radar Using Diagonal Capon Beamforming With Neural Networks,IEEE GEOSCIENCE AND REMOTE SENSING LETTERS,2020. 

Swati, B. Singh, D. Pundhir, A. K. Sinha, K. M. Rao, A. Guha, and Y. Hobara,Ultra-low frequency (ULF) magnetic field emissions associated with some,J. Atmos. Solar-Terr. Phys.,2020. 

Y. Kayano, Y. Kami and F. Xiao,Evaluation method of voltage and current distributions on asymmetrical and equi-length differential-paired lines,IEICE Trans. Electron.,2020. 

Miyoshi, Y., Saito, S., Kurita, S., Asamura, K., Hosokawa, K., Sakanoi, T., Mitani, T., Ogawa, Y., Oyama, S., Tsuchiya, F., Jones, S. L., Jaynes, A. N., Blake, J. B.,Relativistic Electron Microbursts as High-Energy Tail of Pulsating Aurora Electrons,GEOPHYSICAL RESEARCH LETTERS,2020. 

Li, Shanghuo; Sanhueza, Patricio; Zhang, Qizhou; Nakamura, Fumitaka; Lu, Xing; Wang, Junzhi; Liu, Tie; Tatematsu, Ken'ichi; Jackson, James M.; Silva, Andrea; Guzmán, Andrés E.; Sakai, Takeshi; Izumi, Natsuko; Tafoya, Daniel; Li, Fei; Contreras, Yanett; Morii, Kaho; Kim, Kee-Tae,The ALMA Survey of 70 μm Dark High-mass Clumps in Early Stages (ASHES). II. Molecular Outflows in the Extreme Early Stages of Protocluster Formation,The Astrophysical Journal,2020. 

Tanaka, Kunihiko; Nagai, Makoto; Kamegai, Kazuhisa; Iino, Takahiro; Sakai, Takeshi,HCN J = 4-3, HNC J = 1-0, H13CN J = 1-0, and HC3N J = 10-9 Maps of Galactic Center Region. II. Physical Properties of Dense-gas Clumps and Probability of Star Formation,The Astrophysical Journal,2020. 

E. Yoshikawa, T. Ushio, and H. Kikuchi,A Study of Comb Beam Transmission on Phased Array Weather Radars,IEEE Transactions on Geoscience and Remote Sensing,2020. 

Swati, B. Singh, D. Pundhir, and Y. Hobara,Fractal analysis of Ultra Low Frequency magnetic field emissions observed at Agra associated with two major earthquakes occurred in Pakistan,J.Atmos. Elect.,2020. 

H. Kikuchi, T. Suezawa, T. Ushio, N. Takahashi, H. Hanado, K.NakagawaK, M.osada, T. Maesaka, K. Iwanami, K. Yoshimi, F. Mizutani, M. Wada, and Y. Hobara,Initial Observations for Precipitation Cores With X-Band Dual Polarized Phased Array Weather Radar,IEEE Transactions on geioscience and remote sensing,2020. 

川上　雅士, 萓野　良樹, 肖　鳳超, 上　芳夫, 戸花　照雄, 秋元 浩平, 礒田　陽次,電源–グラウンドプレーン上に発生する電圧変動の近似式の一検討,IEICE信学論和文C,2020. 

萓野良樹, 上芳夫, 肖鳳超,選好度付きセットベースデザイン手法を用いた2層型電波吸収体の多目的満足化設計,IEICE信学論和文C,2020. 

S. Pal, S. Sarker, S. K. Midya, S. K. Mondal, and Y. Hobara,Low latitude VLF radio signal disturbances due to the extremely severe cyclone Fani of May 2019 and associated mesopheric response,JGR. Space Physics,2020. 

V. Singh and Y. Hobara,Simultaneous Study of VLF/ULF Anomalies Associated with Earthquakes in Japan,Open Journal of Earthquake of Research,2020. 

Taniguchi, Akio; Tamura, Yoichi; Kohno, Kotaro; Takahashi, Shigeru; Horigome, Osamu; Maekawa, Jun; Sakai, Takeshi; Kuno, Nario; Minamidani, Tetsuhiro,A new off-point-less observing method for millimeter and submillimeter spectroscopy with a frequency-modulating local oscillator,Publications of the Astronomical Society of Japan,2020. 

2019

Sanhueza, Patricio; Contreras, Yanett; Wu, Benjamin; Jackson, James M.; Guzmán, Andrés E.; Zhang, Qizhou; Li, Shanghuo; Lu, Xing; Silva, Andrea; Izumi, Natsuko; Liu, Tie; Miura, Rie E.; Tatematsu, Ken’ichi; Sakai, Takeshi; Beuther, Henrik; Garay, Guido; Ohashi, Satoshi; Saito, Masao; Nakamura, Fumitaka; Saigo, Kazuya Veena, V. S.; Nguyen-Luong, Quang; Tafoya, Daniel,The ALMA Survey of 70 μm Dark High-mass Clumps in Early Stages (ASHES). I. Pilot Survey: Clump Fragmentation,The Astrophysical Journal,2019. 

Oya, Yoko; López-Sepulcre, Ana; Sakai, Nami; Watanabe, Yoshimasa; Higuchi, Aya E.; Hirota, Tomoya; Aikawa, Yuri; Sakai, Takeshi; Ceccarelli, Cecilia; Lefloch, Bertrand; Caux, Emmanuel; Vastel, Charlotte; Kahane, Claudine; Yamamoto, Satoshi,Sulfur-bearing Species Tracing the Disk/Envelope System in the Class I Protostellar Source Elias 29,The Astrophysical Journal,2019. 

萓野良樹, 川上雅士, 上芳夫, 石川晴雄, 肖鳳超, 井上浩,選好度付きセットベースデザイン手法を用いたEMIフィルタの多目的設計,IEICE信学論和文C,2019. 

萓野良樹, 上芳夫, 石川晴雄, 肖鳳超, 井上浩,選好度付セットベースデザイン手法を用いた伝送線路型フィルタの設計法,IEICE信学論和文B,2019. 

福井伸治, 深川康弘, 溝口幸, 前田登, 肖鳳超, 上芳夫,磁界プローブを用いた自動車室内のポインティングベクトル推定,IEICE信学論和文B,2019. 

Yoshida, Kento; Sakai, Nami; Nishimura, Yuri; Tokudome, Tomoya; Watanabe, Yoshimasa; Sakai, Takeshi; Takano, Shuro; Yamamoto, Satoshi,An unbiased spectral line survey observation toward the low-mass star-forming region L1527,Publications of the Astronomical Society of Japan,2019. 

Hosokawa, K., Y. Zou and Y. Nishimura,Airglow Patches in the Polar Cap Region: A Review,Space Science Review,2019. 

Hosokawa, K., Y. Ogawa and S. Taguchi,Imaging of polar cap patches with a low-cost airglow camera: pilot observations in Svalbard, Norway,Earth, Planets and Space,2019. 

Hozumi, Y., A. Saito, T. Sakanoi, A. Yamazaki, K. Hosokawa, and T. Nakamura,Geographical and seasonal variability of mesospheric bores observed by IMAP/VISI,Journal of Geophysical Research,2019. 

Sakai, J., K. Hosokawa, I. Tomizawa, S. Saito,A statistical study of anomalous VHF propagation due to the sporadic-E layer in the air-navigation band,Radio Science,2019. 

Kawamura, S., K. Hosokawa, S. Kurita, S. Oyama, Y. Miyoshi, Y. Kasahara, M. Ozaki, S. Matsuda, A. Matsuoka, B. Kozelov, Y. Kawamura and I. Shinohara,Tracking the region of high correlation between pulsating aurora and chorus: Simultaneous observations with Arase satellite and ground‐based all‐sky imager in Russia,Journal of Geophysical Research,2019. 

Takahashi, T., I. I. Virtanen, K. Hosokawa, Y. Ogawa, A. Aikio, H. Miyaoka, and A. Kero,Polarization electric field inside auroral patches: Simultaneous experiment of EISCAT radars and KAIRA,Journal of Geophysical Research,2019. 

Kataoka, R., T. Nishiyama, Y. Tanaka, A. Kadokura, H. A. Uchida, Y. Ebihara, M. K. Ejiri, Y. Tomikawa, M. Tsutsumi, K. Sato, Y. Miyoshi, K. Shiokawa, S. Kurita, Y. Kasahara, M. Ozaki, K. Hosokawa, S. Matsuda, I. Shinohara, T. Takashima, T. Sato, T. Mitani, T. Hori and N. Higashio,Transient ionization of the mesosphere during auroral breakup: Arase satellite and ground-based conjugate observations at Syowa Station,Earth, Planets and Space,2019. 

Ozaki, M., Y. Miyoshi, K. Shiokawa, K. Hosokawa, S-I. Oyama, R. Kataoka, Y. Ebihara, Y. Ogawa, Y. Kasahara, S. Yagitani, Y. Kasaba, A. Kumamoto, F. Tsuchiya, S. Matsuda, Y. Katoh, M. Hikishima, S. Kurita, Y. Otsuka, R. C Moore, Y. Tanaka, M. Nose, T. Nagatsuma, N. Nishitani, A. Kadokura, M. Connors, T. Inoue, A. Matsuoka, and I. Shinohara,Visualization of rapid electron precipitation via chorus element wave-particle interactions,Nature Communications,2019. 

M. K. Ejiri, T. Nakamura, T. T. Tsuda, T. Nishiyama, M. Abo, C.-Y. She, M. Nishioka, A. Saito, T. Takahashi, K. Tsuno, T. D. Kawahara, T. Ogawa, and S. Wada,Observation of synchronization between instabilities of the sporadic E layer and geomagnetic field line connected F‐region medium‐scale traveling ionospheric disturbances,J. Geophys. Res. Space Physics,2019. 

M. K. Ejiri, T. Nakamura, T. T. Tsuda, T. Nishiyama, M. Abo, T. Takahashi, K. Tsuno, T. D. Kawahara, T. Ogawa, and S. Wada,Vertical fine structure and time evolution of plasma irregularities in the Es layer observed by a high-resolution Ca+ lidar,Earth Planets Space,2019. 

2018

Y. Ando,An Approximate PML Applied to Cylindrical and Spherical Coordinate Sectors,IEEE Microw. Wireless Compon. Lett.,2018. 

Hozumi, Y., A. Saito, T. Sakanoi, A. Yamazaki, and K. Hosokawa,,Mesospheric bores at southern midlatitudes observed by ISS-IMAP/VISI: a first report of an undulating wave front,Atmos. Chem. Phys.,2018. 

Nozawa, S. T. Kawabata, K. Hosokawa, Y. Ogawa, T. T. Tsuda, A. Mizuno, R. Fujii and C. Hall,A new five-wavelength photometer operated in Tromsø (69.6°N, 19.2°E),Earth, Planets and Space,2018. 

Fukizawa, M., T. Sakanoi, Y. Miyoshi, K. Hosokawa, K. Shiokawa, Y. Katoh, Y. Kazama, A. Kumamoto, F. Tsuchiya, Y. Miyashita, Y.‐M. Tanaka, Y. Kasahara, M. Ozaki, A. Matsuoka, S. Matsuda, M. Hikishima, S. Oyama, Y. Ogawa, S. Kurita, R. Fujii,Electrostatic Electron Cyclotron Harmonic Waves as a Candidate to Cause Pulsating Auroras,Geophysical Research Letters,2018. 

Ozaki, M., K. Shiokawa, Y. Miyoshi, K. Hosokawa, S. Oyama, S. Yagitani, Y. Kasahara, Y. Kasaba, S. Matsuda, R. Kataoka, Y. Ebihara, Y. Ogawa, Y. Otsuka, S. Kurita, R. C. Moore, Y.‐M. Tanaka, M. Nosé, T. Nagatsuma, M. Connors, N. Nishitani, Y. Katoh, M. Hikishima, A. Kumamoto, F. Tsuchiya, A. Kadokura, T. Nishiyama, T. Inoue, K. Imamura, A. Matsuoka, I. Shinohara,Microscopic observations of pulsating aurora associated with chorus element structures: Coordinated Arase satellite‐PWING observations,Geophysical Research Letters,2018. 

Tsuda, T. T., Y. Hozumi, K. Kawaura, K. Hosokawa, H. Suzuki, and T. Nakamura,Initial report on polar mesospheric cloud observations by Himawari-8,Atmos. Meas. Tech.,2018. 

Oyama, S., T. T. Tsuda, K. Hosokawa, Y. Ogawa, Y. Miyoshi, S. Kurita, A. E. Kero, R. Fujii, Y. Tanaka, A. Mizuno, T. Kawabata, B. Gustavsson, and T. Leyser,Auroral molecular-emission effects on the atomic oxygen line at 777.4 nm,Earth Planets Space,2018. 

Tsuda, T. T., M. T. Rietveld, M. J. Kosch, S. Oyama, Y. Ogawa, K. Hosokawa, S. Nozawa, T. Kawabata, and, A. Mizuno,Survey of conditions for artificial aurora experiments by the second electron gyro-harmonic at EISCAT Tromsø using dynasonde data,Earth Planets Space,2018. 

Tsuda T. T., M. T. Rietveld, M. J. Kosch, S. Oyama, K. Hosokawa, S. Nozawa, T. Kawabata, A. Mizuno and Y. Ogawa,Survey of conditions for artificial aurora experiments at EISCAT Tromsø using dynasonde data,Earth, Planets and Space,2018. 

S. Nozawa, T. Kawabata, K. Hosokawa, Y. Ogawa, T. T. Tsuda, A. Mizuno, R. Fujii, and C. M. Hall,A new five-wavelength photometer operated in Tromsø (69.6ºN, 19.2ºE),Earth Planets Space,2018. 

T. T. Tsuda, Y. Hozumi, K. Kawaura, K. Hosokawa, H. Suzuki, and T. Nakamura,Initial report on polar mesospheric cloud observations by Himawari-8,Atmos. Meas. Tech.,2018. 

S. Oyama, T. T. Tsuda, K. Hosokawa, Y. Ogawa, Y. Miyoshi, S. Kurita, A. E. Kero, R. Fujii, Y. Tanaka, A. Mizuno, T. Kawabata, B. Gustavsson, and T. Leyser,Auroral molecular-emission effects on the atomic oxygen line at 777.4 nm,Earth Planets Space,2018. 

T. T. Tsuda, M. T. Rietveld, M. J. Kosch, S. Oyama, Y. Ogawa, K. Hosokawa, S. Nozawa, T. Kawabata, and A. Mizuno,Survey of conditions for artificial aurora experiments by the second electron gyro-harmonic at EISCAT Tromsø using dynasonde data,Earth Planets Space,2018. 

T. T. Tsuda, M. T. Rietveld, M. J. Kosch, S. Oyama, K. Hosokawa, S. Nozawa, T. Kawabata, A. Mizuno, and Y. Ogawa,Survey of conditions for artificial aurora experiments at EISCAT Tromsø using dynasonde data,Earth Planets Space,2018. 

F. Mizutani, T. Ushio, E. Yoshikawa, S. Shimamura, H. Kikuchi, M. Wada, S. Satoh and T. Iguchi,Fast-scanning phased array weather radar with angular imaging technique,IEEE Transactions on Geoscience and Remote Sensing,2018. 

H. Kikuchi, T. Ushio, F. Mizutani and M. Wada,Improving the accuracy of rain rate estimates using X-band phased array weather radar network,IEEE Transactions on Geoscience and Remote Sensing,2018. 

Imai, Muneaki; Sakai, Nami; López-Sepulcre, Ana; Higuchi, Aya E.; Zhang, Yichen; Oya, Yoko; Watanabe, Yoshimasa; Sakai, Takeshi; Ceccarelli, Cecilia; Lefloch, Bertrand; Yamamoto, Satoshi,Deuterium Fractionation Survey Toward Protostellar Sources in the Perseus Molecular Cloud: HNC Case,The Astrophysical Journal,2018. 

T. Ishida, F. Xiao, Y. Kami, O. Fujiwara, and S. Nitta,An alternative air discharge test method using ESD generator in contact discharge mode,IEEJ Transactions on Fundamentals and Materials,2018. 

Nakajima, Taku; Inoue, Hirofumi; Fujii, Yumi; Miyazawa, Chieko; Iwashita, Hiroyuki; Sakai, Takeshi; Noguchi, Takashi; Mizuno, Akira,Series-connected array of superconductor-insulator-superconductor junctions in the 100 GHz-band heterodyne mixer for FOREST on the Nobeyama 45 m telescope,Publications of the Astronomical Society of Japan,2018. 

Zhang, Yichen; Higuchi, Aya E.; Sakai, Nami; Oya, Yoko; López-Sepulcre, Ana; Imai, Muneaki; Sakai, Takeshi; Watanabe, Yoshimasa; Ceccarelli, Cecilia; Lefloch, Bertrand; Yamamoto, Satoshi,Rotation in the NGC 1333 IRAS 4C Outflow,The Astrophysical Journal,2018. 

Contreras, Yanett; Sanhueza, Patricio; Jackson, James M.; Guzmán, Andrés E.; Longmore, Steven; Garay, Guido; Zhang, Qizhou; Nguyễn-Lu'o'ng, Quang; Tatematsu, Ken'ichi; Nakamura, Fumitaka; Sakai, Takeshi; Ohashi, Satoshi; Liu, Tie; Saito, Masao; Gomez, Laura; Rathborne, Jill; Whitaker, Scott,Infall Signatures in a Prestellar Core Embedded in the High-mass 70 μm Dark IRDC G331.372-00.116,The Astrophysical Journal,2018. 

Furuya, K.; Watanabe, Y.; Sakai, T.; Aikawa, Y.; Yamamoto, S.,Depletion of 15N in the center of L1544: Early transition from atomic to molecular nitrogen?,Astronomy & Astrophysics,2018. 

Higuchi, Aya E.; Sakai, Nami; Watanabe, Yoshimasa; López-Sepulcre, Ana; Yoshida, Kento; Oya, Yoko; Imai, Muneaki; Zhang, Yichen; Ceccarelli, Cecilia; Lefloch, Bertrand; Codella, Claudio; Bachiller, Rafael; Hirota, Tomoya; Sakai, Takeshi; Yamamoto, Satoshi,Chemical Survey toward Young Stellar Objects in the Perseus Molecular Cloud Complex,The Astrophysical Journal Supplement Series,2018. 

Tanaka, Kunihiko; Nagai, Makoto; Kamegai, Kazuhisa; Iino, Takahiro; Sakai, Takeshi,HCN J = 4-3, HNC J = 1-0, H13CN J = 1-0, and HC3N J = 10-9 Maps of the Galactic Center Region. I. Spatially Resolved Measurements of Physical Conditions and Chemical Composition,The Astrophysical Journal Supplement Series,2018. 

Beuther, H.; Soler, J. D.; Vlemmings, W.; Linz, H.; Henning, Th.; Kuiper, R.; Rao, R.; Smith, R.; Sakai, T.; Johnston, K.; Walsh, A.; Feng, S.,Magnetic fields at the onset of high-mass star formation,Astronomy & Astrophysics,2018. 

萓野良樹, 上芳夫, 石川晴雄, 肖鳳超, 井上浩,選好度付セットベースデザイン手法の屈曲差動伝送線路設計への適用,IEICE信学論和文C,2018. 

安藤,大学において授業外学習を促すeラーニング教材に関する一検討,電気学会論文誌Ａ（基礎・材料・共通部門誌）,2018. 

Sakai, Takeshi; Yanagida, Takahiro; Furuya, Kenji; Aikawa, Yuri; Sanhueza, Patricio; Sakai, Nami; Hirota, Tomoya; Jackson, James M.; Yamamoto, Satoshi,ALMA Observations of the IRDC Clump G34.43+00.24 MM3: Complex Organic and Deuterated Molecules,The Astrophysical Journal,2018. 

2017

Watanabe, Y., Sakai, N., López-Sepulcre, A., Sakai, T., Hirota, T., Liu, S.-Y., Su, Y.-N., Yamamoto, S.,Discovery of Striking Difference of Molecular-emission-line Richness in the Potential Proto-binary System NGC 2264 CMM3,The Astrophysical Journal,2017. 

S. Pal, Y. Hobara, S. K. Chakrabarti, and P. W. Schnoor,Effects of the major sudden stratospheric warming event of 2009 on the subionospheric very low frequency/low frequency radio signals,JGR.Space Physics,2017. 

Sakai, Nami; Oya, Yoko; Higuchi, Aya E.; Aikawa, Yuri; Hanawa, Tomoyuki; Ceccarelli, Cecilia; Lefloch, Bertrand; López-Sepulcre, Ana; Watanabe, Yoshimasa; Sakai, Takeshi; Hirota, Tomoya; Caux, Emmanuel; Vastel, Charlotte; Kahane, Claudine; Yamamoto, Satoshi,Vertical structure of the transition zone from infalling rotating envelope to disc in the Class 0 protostar, IRAS 04368+2557,Monthly Notices of the Royal Astronomical Society: Letters,2017. 

村野公俊, 星野美咲, タヤラニマジド, 肖鳳超, 上芳夫,BCI試験及び平面波印加に対する伝送線路の感受性の比較検討,IEICE信学論和文B,2017. 

Ikeya, M., Noguchi, T., Kojima, T., Sakai, T.,Low Leakage Current Nb-Based Tunnel Junctions with an Extra Top Al Layer,IEICE Transactions on Electronics,2017. 

Oya, Y., Sakai, N., Watanabe, Y., Higuchi, A. E., Hirota, T., López-Sepulcre, A., Sakai, T., Aikawa, Y., Ceccarelli, C., Lefloch, B., Caux, E., Vastel, C., Kahane, C., Yamamoto, S.,L483: Warm Carbon-chain Chemistry Source Harboring Hot Corino Activity,The Astrophysical Journal,Mar-17

Tatematsu, K., Liu, T., Ohashi, S., Sanhueza, P., Nguyễn Q., Hirota, T., Liu, S.-Y., Hirano, N., Choi, M., Kang, M., Thompson, M. A., Fuller, G., Wu, Y., Li, D., Di Francesco, J., Kim, K.-T., Wang, K., Ristorcelli, I., Juvela, M., Shinnaga, H., Cunningham, M., Saito, M., Lee, J.-E., Tóth, L. V., He, J., Sakai, T., Kim, J., JCMT Large Program “SCOPE” collaboration; TRAO Key Science Program “TOP” collaboration,Astrochemical Properties of Planck Cold Clumps,The Astrophysical Journal Supplement Series,Feb-17

H. Santosa and Y. Hobara,One day prediction of nighttime VLF amplitudes using nonlinear autoregression and neural network modeling,Radio Science,Jan-17

Shiokawa, K., Y. Kato, Y. Hamaguchi, Y. Yamamoto, T. Adachi, M. Ozaki, S.-I. Oyama, M. Nosé, T. Nagatsuma, Y. Tanaka, Y. Otsuka, Y. Miyoshi, R. Kataoka, Y. Takagi, Y. Takeshita, A. Shinbori, S.Kurita, T. Hori, N. Nishitani, I. Shinohara, F. Tuchiya, Y. Obana, S. Suzuki, N. Takahashi, K. Seki, A. Kadokura, K. Hosokawa, Y. Ogawa, M. Connors, J. M. Ruohoniemi, M. Engebretson, E. Turunen, T. Ulich, J. Manninen, T. Raita, A. Kero, A. Oksanen, M. Back, K. Kauristie, J. Mattanen, D. Baishev, V. Kurkin, A. Oinats, A. Pashinin, R. Vasilyev, R. Rakhmatulin, W. Bristow, and M. Karjala,Ground-based instruments of the PWING project to investigate dynamics of the inner magnetosphere at subauroral latitudes as a part of the ERG-ground coordinated observation network,Earth Planets Space,2017. 

Tsuda T.T., T. Nakamura, M. K. Ejiri, T. Nishiyama, K. Hosokawa, T. Takahashi, J. Gumbel, and J. Hedin,Statistical investigation of Na layer response to geomagnetic activity using resonance scattering measurements by Odin/OSIRIS,Geophys. Res. Lett.,2017. 

S. Taguchi, Y. Chiba, K. Hosokawa, and Y. Ogawa,Horizontal profile of a moving red line cusp aurora,Journal of Geophysical Research, Space Physics,2017. 

Takahashi, T., K. Hosokawa, S. Nozawa, T. T. Tsuda, Y. Ogawa, M. Tsutsumi, Y. Hiraki, H. Fujiwara, T. D. Kawahara, N. Saito, S. Wada, T. Kawabata, C. Hall,Depletion of mesospheric sodium during extended period of pulsating aurora,Journal of Geophysical Research,2017. 

S. Oyama, K. Kubota, T. Morinaga, T. T. Tsuda, J. Kurihara, M. F. Larsen, M. Yamamoto, and L. Cai,Simultaneous FPI and TMA measurements of the lower-thermospheric wind in the vicinity of the poleward-expanding aurora after substorm onset,J. Geophys. Res. Space Physics,2017. 

M. Kogure, T. Nakamura, M. K. Ejiri, T. Nishiyama, Y. Tomikawa, M. Tsutsumi, H. Suzuki, T. T. Tsuda, T. D. Kawahara, and M. Abo,Rayleigh/Raman lidar observations of gravity wave activity from 15 to 70 km altitude over Syowa (69ºS, 40ºE), the Antarctic,J. Geophys. Res. Atmospheres,2017. 

T. T. Tsuda, T. Nakamura, M. K. Ejiri, T. Nishiyama, K. Hosokawa, T. Takahashi, J. Gumbel, and J. Hedin,Statistical investigation of Na layer response to geomagnetic activity using resonance scattering measurements by Odin/OSIRIS,Geophys. Res. Lett.,2017. 

T. D. Kawahara, S. Nozawa, N. Saito, T. Kawabata, T. T. Tsuda, and S. Wada,Sodium temperature/wind lidar based on laser-diode-pumped Nd:YAG lasers deployed at Tromsø, Norway (69.6ºN, 19.2ºE),Opt. Express,2017. 

T. Takahashi, K. Hosokawa, S. Nozawa, T. T. Tsuda, Y. Ogawa, M. Tsutsumi, Y. Hiraki, H. Fujiwara, T. D. Kawahara, N. Saito, S. Wada, T. Kawabata, and C. Hall,Depletion of mesospheric sodium during extended period of pulsating aurora,J. Geophys. Res. Space Physics,2017. 

T. Morimoto, H. Kikuchi, S. Yoshida, T. Ushio and Z.-I. Kawasaki,Lightning observations of a small satellite “Maido-1”,Journal of Atmospheric Electricity,2017. 

菊池博史, Wu Ting, 牛尾知雄, 吉田智，河崎善一郎,LF帯センサネットワークを用いた雷放電位置標定におけるビームフォーマ法の適用,Journal of Atmospheric Electricity,2017. 

R. Kawami, A. Hirabayashi, I. Tanaka, T. Iijiri, S. Shimamura, H. Kikuchi, G. Kim and T. Ushio,Simple compression technique for phased array weather radar and 2-dimensional high-quality reconstruction,IEEJ Transactions on Electronics, Information and Systems,2017. 

 ,Identification of sprites in JEM-GLIMS nadir observations and their spatial distributions,Terrestrial, Atmospheric and Oceanic Sciences,2017. 

H. Kikuchi, M. Sato, T. Ushio, T. Morimoto, M. Kikuchi, A. Yamazaki, M. Suzuki, R. Ishida, T. Wu and Z.-I.Kawasaki,Simultaneous observations of optical lightning from space and LF band lightning waveforms from the ground,Geophysical Research Letters,2017. 

H. Kikuchi, T. Wu, E. Yoshikawa, T. Ushio, H. Goto, F. Mizutani, M. Wada and V. Chandrasekar,Performance of MMSE beam forming for polarimetric phased array weather radar,IEEE Transactions on Geoscience and Remote Sensing,2017. 

H. Kikuchi, E. Yoshikawa, T. Ushio, F. Mizutani and M. Wada,Application of Adaptive Digital Beamforming to Osaka University Phased Array Weather Radar,IEEE Transactions on Geoscience and Remote Sensing,2017. 

H. Kikuchi, E. Yoshikawa, T. Ushio, F. Mizutani and M. Wada,Adaptive Pulse Compression Technique for X-band Phased Array Weather Radar,IEEE Geoscience and Remote Sensing Letters,2017. 

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人工衛星及び地球基地局との通信技術及びその施設運営を行なっています．

宇宙・地球環境観測 

宇宙・地球環境を電磁波を用いて網羅的に観測することで，自然現象のの成り立ちを解明し，さらに新たに得られた知見を災害予防技術などに役立てます．

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