An automated auroral detection system using deep learning: real-time operation in Tromsø, Norway von Nanjo, Sota, Nozawa, Satonori, Yamamoto, Masaki, Kawabata, Tetsuya, Johnsen, Magnar G., Tsuda, Takuo T., Hosokawa, Keisuke

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A statistical study of convective and dynamic instabilities in the polar upper mesosphere above Tromsø von Nozawa, Satonori, Saito, Norihito, Kawahara, Takuya, Wada, Satoshi, Tsuda, Takuo T., Maeda, Sakiho, Takahashi, Toru, Fujiwara, Hitoshi, Narayanan, Viswanathan Lakshmi, Kawabata, Tetsuya, Johnsen, Magnar G.

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Observation of Synchronization Between Instabilities of the Sporadic E Layer and Geomagnetic Field Line Connected F Region Medium‐Scale Traveling Ionospheric Disturbances von Ejiri, Mitsumu K., Nakamura, Takuji, Tsuda, Takuo T., Nishiyama, Takanori, Abo, Makoto, She, Chiao‐Yao, Nishioka, Michi, Saito, Akinori, Takahashi, Toru, Tsuno, Katsuhiko, Kawahara, Takuya D., Ogawa, Takayo, Wada, Satoshi

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Thermospheric wind response to a sudden ionospheric variation in the trough: event at a pseudo-breakup during geomagnetically quiet conditions von Oyama, Shin-ichiro, Vanhamäki, Heikki, Cai, Lei, Aikio, Anita, Rietveld, Michael, Ogawa, Yasunobu, Raita, Tero, Kellinsalmi, Mirjam, Kauristie, Kirsti, Kozelov, Boris, Shinbori, Atsuki, Shiokawa, Kazuo, Tsuda, Takuo T., Sakanoi, Takeshi

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Lower thermospheric wind variations in auroral patches during the substorm recovery phase von Oyama, Shin‐ichiro, Shiokawa, Kazuo, Miyoshi, Yoshizumi, Hosokawa, Keisuke, Watkins, Brenton J., Kurihara, Junichi, Tsuda, Takuo T., Fallen, Christopher T.

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Simultaneous FPI and TMA Measurements of the Lower Thermospheric Wind in the Vicinity of the Poleward Expanding Aurora After Substorm Onset von Oyama, Shin‐ichiro, Kubota, Ken, Morinaga, Takatoshi, Tsuda, Takuo T., Kurihara, Junichi, Larsen, Miguel F., Yamamoto, Masayuki, Cai, Lei

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Vertical fine structure and time evolution of plasma irregularities in the E s layer observed by a high-resolution Ca+ lidar von Ejiri, Mitsumu K, Nakamura, Takuji, Tsuda, Takuo T, Nishiyama, Takanori, Abo, Makoto, Takahashi, Toru, Tsuno, Katsuhiko, Kawahara, Takuya D, Ogawa, Takayo, Wada, Satoshi

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Height and time characteristics of seasonal and diurnal variations in PMWE based on 1 year observations by the PANSY radar (69.0°S, 39.6°E) von Nishiyama, Takanori, Sato, Kaoru, Nakamura, Takuji, Tsutsumi, Masaki, Sato, Toru, Kohma, Masashi, Nishimura, Koji, Tomikawa, Yoshihiro, Ejiri, Mitsumu K., Tsuda, Takuo T.

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Initial report on polar mesospheric cloud observations by Himawari-8 von Tsuda, Takuo T., Hozumi, Yuta, Kawaura, Kento, Hosokawa, Keisuke, Suzuki, Hidehiko, Nakamura, Takuji

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Capability of airline jets as an observation platform for noctilucent clouds at middle latitudes von Suzuki, Hidehiko, Matsumoto, Ayako, Dalin, Peter, Nakamura, Yuriko, Ishii, Satoshi, Sakanoi, Kazuyo, Sakaguchi, Kaori, Takada, Taku, Tsuda, Takuo T., Hozumi, Yuta

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Auroral molecular-emission effects on the atomic oxygen line at 777.4 nm von Oyama, Shin-ichiro, Tsuda, Takuo T., Hosokawa, Keisuke, Ogawa, Yasunobu, Miyoshi, Yoshizumi, Kurita, Satoshi, Kero, Antti E., Fujii, Ryoichi, Tanaka, Yoshimasa, Mizuno, Akira, Kawabata, Tetsuya, Gustavsson, Björn, Leyser, Thomas

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The first simultaneous spectroscopic and monochromatic imaging observations of short-wavelength infrared aurora of N2+ Meinel (0,0) band at 1.1 μm with incoherent scatter radar von Nishiyama, Takanori, Kagitani, Masato, Furutachi, Senri, Iwasa, Yuki, Ogawa, Yasunobu, Tsuda, Takuo T., Dalin, Peter, Tsuchiya, Fuminori, Nozawa, Satonori, Sigernes, Fred

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Exceptionally gigantic aurora in the polar cap on a day when the solar wind almost disappeared von Hosokawa, Keisuke, Kataoka, Ryuho, Tsuda, Takuo T, Ogawa, Yasunobu, Taguchi, Satoshi, Zhang, Yongliang, Paxton, Larry J

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Rayleigh/Raman lidar observations of gravity wave activity from 15 to 70 km altitude over Syowa (69°S, 40°E), the Antarctic von Kogure, Masaru, Nakamura, Takuji, Ejiri, Mitsumu K., Nishiyama, Takanori, Tomikawa, Yoshihiro, Tsutsumi, Masaki, Suzuki, Hidehiko, Tsuda, Takuo T., Kawahara, Takuya D., Abo, Makoto

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Vertical fine structure and time evolution of plasma irregularities in the Es layer observed by a high-resolution Ca+ lidar von Ejiri, Mitsumu K., Nakamura, Takuji, Tsuda, Takuo T., Nishiyama, Takanori, Abo, Makoto, Takahashi, Toru, Tsuno, Katsuhiko, Kawahara, Takuya D., Ogawa, Takayo, Wada, Satoshi

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Horizontal Movement of Polar Mesospheric Clouds Observed From the Himawari‐8 Geostationary Meteorological Satellite von Hozumi, Yuta, Tsuda, Takuo T., Hosokawa, Keisuke, Ando, Yoshiaki, Suzuki, Hidehiko, Murata, Takeshi, Nakamura, Takuji

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The first simultaneous spectroscopic and monochromatic imaging observations of short-wavelength infrared aurora of [Formula omitted] Meinel von Nishiyama, Takanori, Kagitani, Masato, Furutachi, Senri, Iwasa, Yuki, Ogawa, Yasunobu, Tsuda, Takuo T, Dalin, Peter

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Layered conductance in the ionosphere estimated using data from a multiwavelength photometer at the European Incoherent Scatter radar site von Shin-ichiro Oyama, Taiki Watanabe, Ryoichi Fujii, Satonori Nozawa, Takuo T. Tsuda

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The first simultaneous spectroscopic and monochromatic imaging observations of short-wavelength infrared aurora of [Formula omitted] Meinel band at 1.1 [Formula omitted]m with inco... von Nishiyama, Takanori, Kagitani, Masato, Furutachi, Senri, Iwasa, Yuki, Ogawa, Yasunobu, Tsuda, Takuo T, Dalin, Peter, Tsuchiya, Fuminori, Nozawa, Satonori, Sigernes, Fred

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The first simultaneous spectroscopic and monochromatic imaging observations of short-wavelength infrared aurora of $$\mathrm {N_{2}^{+}}$$ Meinel (0,0) band at 1.1 $$\mathrm {\mu }... von Nishiyama, Takanori, Kagitani, Masato, Furutachi, Senri, Iwasa, Yuki, Ogawa, Yasunobu, Tsuda, Takuo T., Dalin, Peter, Tsuchiya, Fuminori, Nozawa, Satonori, Sigernes, Fred

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