Publications of Ayumi Asai ordered by citations

A list of publications authored or co-authored by Ayumi Asai, derived from the SAO/NASA Astrophysics Data System (ADS) and ordered by the numbers of citations. Publications above the horizontal line count towards the h-index.

Orcid ID: 0000-0002-5279-686X

171	Magnetic Field Structures Triggering Solar Flares and Coronal Mass Ejections Kusano, K., Bamba, Y., Yamamoto, T. T., Iida, Y., Toriumi, S. & Asai, A., 2012, ApJ, 760, 31
170	Simultaneous Observation of Reconnection Inflow and Outflow Associated with the 2010 August 18 Solar Flare Takasao, Shinsuke, Asai, Ayumi, Isobe, Hiroaki & Shibata, Kazunari, 2012, ApJ, 745, L6
161	Downflow Motions Associated with Impulsive Nonthermal Emissions Observed in the 2002 July 23 Solar Flare Asai, Ayumi, Yokoyama, Takaaki, Shimojo, Masumi & Shibata, Kazunari, 2004, ApJ, 605, L77
131	Statistical Studies of Solar White-light Flares and Comparisons with Superflares on Solar-type Stars Namekata, Kosuke, Sakaue, Takahito, Watanabe, Kyoko, Asai, Ayumi, Maehara, Hiroyuki, Notsu, Yuta, Notsu, Shota, Honda, Satoshi, Ishii, Takako T., Ikuta, Kai, Nogami, Daisaku & Shibata, Kazunari, 2017, ApJ, 851, 91
128	Relation between a Moreton Wave and an EIT Wave Observed on 1997 November 4 Eto, Shigeru, Isobe, Hiroaki, Narukage, Noriyuki, Asai, Ayumi, Morimoto, Taro, Thompson, Barbara, Yashiro, Seiji, Wang, Tongjiang, Kitai, Reizaburo, Kurokawa, Hiroki & Shibata, Kazunari, 2002, Publications of the Astronomical Society of Japan, 54, 481
118	First Simultaneous Observation of an Hα Moreton Wave, EUV Wave, and Filament/Prominence Oscillations Asai, Ayumi, Ishii, Takako T., Isobe, Hiroaki, Kitai, Reizaburo, Ichimoto, Kiyoshi, UeNo, Satoru, Nagata, Shin'ichi, Morita, Satoshi, Nishida, Keisuke, Shiota, Daikou, Oi, Akihito, Akioka, Maki & Shibata, Kazunari, 2012, ApJ, 745, L18
111	Numerical Investigation of a Coronal Mass Ejection from an Anemone Active Region: Reconnection and Deflection of the 2005 August 22 Eruption Lugaz, N., Downs, C., Shibata, K., Roussev, I. I., Asai, A. & Gombosi, T. I., 2011, ApJ, 738, 127
106	Periodic Acceleration of Electrons in the 1998 November 10 Solar Flare Asai, A., Shimojo, M., Isobe, H., Morimoto, T., Yokoyama, T., Shibasaki, K. & Nakajima, H., 2001, ApJ, 562, L103
103	Plasma Ejections from a Light Bridge in a Sunspot Umbra Asai, Ayumi, Ishii, Takako T. & Kurokawa, Hiroki, 2001, ApJ, 555, L65
96	Flare Ribbon Expansion and Energy Release Rate Asai, Ayumi, Yokoyama, Takaaki, Shimojo, Masumi, Masuda, Satoshi, Kurokawa, Hiroki & Shibata, Kazunari, 2004, ApJ, 611, 557
76	The early phases of a solar prominence eruption and associated flare: a multi-wavelength analysis Chifor, C., Mason, H. E., Tripathi, D., Isobe, H. & Asai, A., 2006, A&A, 458, 965
69	Discovery of a Temperature-Dependent Upflow in the Plage Region During a Gradual Phase of the X-Class Flare Imada, Shinsuke, Hara, Hirohisa, Watanabe, Tetsuya, Kamio, Suguru, Asai, Ayumi, Matsuzaki, Keiichi, Harra, Louise K. & Mariska, John T., 2007, Publications of the Astronomical Society of Japan, 59, S793
65	Difference between Spatial Distributions of the Hα Kernels and Hard X-Ray Sources in a Solar Flare Asai, Ayumi, Masuda, Satoshi, Yokoyama, Takaaki, Shimojo, Masumi, Isobe, Hiroaki, Kurokawa, Hiroki & Shibata, Kazunari, 2002, ApJ, 578, L91
56	Multiple Plasmoid Ejections and Associated Hard X-ray Bursts in the 2000 November 24 Flare Nishizuka, N., Takasaki, H., Asai, A. & Shibata, K., 2010, ApJ, 711, 1062
51	The 22 May 2007 B-class flare: new insights from Hinode observations Del Zanna, G., Mitra-Kraev, U., Bradshaw, S. J., Mason, H. E. & Asai, A., 2011, A&A, 526, A1
49	Scaling Relations in Coronal Mass Ejections and Energetic Proton Events Associated with Solar Superflares Takahashi, Takuya, Mizuno, Yoshiyuki & Shibata, Kazunari, 2016, ApJ, 833, L8
48	Evolution of Conjugate Footpoints inside Flare Ribbons during a Great Two-Ribbon Flare on 2001 April 10 Asai, Ayumi, Ishii, Takako T., Kurokawa, Hiroki, Yokoyama, Takaaki & Shimojo, Masumi, 2003, ApJ, 586, 624
47	Quasi-periodic Oscillations in Flares and Coronal Mass Ejections Associated with Magnetic Reconnection Takahashi, Takuya, Qiu, Jiong & Shibata, Kazunari, 2017, ApJ, 848, 102
46	Large-Amplitude Oscillation of an Erupting Filament as Seen in EUV, Hα, and Microwave Observations Isobe, H., Tripathi, D., Asai, A. & Jain, R., 2007, Solar Physics, 246, 89
45	Blue-wing enhancement of the chromospheric Mg II h and k lines in a solar flare Tei, Akiko, Sakaue, Takahito, Okamoto, Takenori J., Kawate, Tomoko, Heinzel, Petr, UeNo, Satoru, Asai, Ayumi, Ichimoto, Kiyoshi & Shibata, Kazunari, 2018, Publications of the Astronomical Society of Japan, 70, 100
43	The Power-Law Distribution of Flare Kernels and Fractal Current Sheets in a Solar Flare Nishizuka, N., Asai, A., Takasaki, H., Kurokawa, H. & Shibata, K., 2009, ApJ, 694, L74
41	Radial Distribution of Compressive Waves in the Solar Corona Revealed by Akatsuki Radio Occultation Observations Miyamoto, Mayu, Imamura, Takeshi, Tokumaru, Munetoshi, Ando, Hiroki, Isobe, Hiroaki, Asai, Ayumi, Shiota, Daikou, Toda, Tomoaki, Häusler, Bernd, Pätzold, Martin, Nabatov, Alexander & Nakamura, Masato, 2014, ApJ, 797, 51
39	Strongly Blueshifted Phenomena Observed with Hinode EIS in the 2006 December 13 Solar Flare Asai, Ayumi, Hara, Hirohisa, Watanabe, Tetsuya, Imada, Shinsuke, Sakao, Taro, Narukage, Noriyuki, Culhane, J. L. & Doschek, G. A., 2008, ApJ, 685, 622
38	Outflow Structure of the Quiet Sun Corona Probed by Spacecraft Radio Scintillations in Strong Scattering Imamura, Takeshi, Tokumaru, Munetoshi, Isobe, Hiroaki, Shiota, Daikou, Ando, Hiroki, Miyamoto, Mayu, Toda, Tomoaki, Häusler, Bernd, Pätzold, Martin, Nabatov, Alexander, Asai, Ayumi, Yaji, Kentaro, Yamada, Manabu & Nakamura, Masato, 2014, ApJ, 788, 117
34	Observational Evidence of Particle Acceleration Associated with Plasmoid Motions Takasao, Shinsuke, Asai, Ayumi, Isobe, Hiroaki & Shibata, Kazunari, 2016, ApJ, 828, 103
33	Non-Gaussian Line Profiles in a Large Solar Flare Observed on 2006 December 13 Imada, S., Hara, H., Watanabe, T., Asai, A., Minoshima, T., Harra, L. K. & Mariska, J. T., 2008, ApJ, 679, L155
32	Sun-as-a-star Analyses of Various Solar Active Events Using Hα Spectral Images Taken by SMART/SDDI Otsu, Takato, Asai, Ayumi, Ichimoto, Kiyoshi, Ishii, Takako T. & Namekata, Kosuke, 2022, ApJ, 939, 98
31	Preflare Nonthermal Emission Observed in Microwaves and Hard X-Rays Asai, Ayumi, Nakajima, Hiroshi, Shimojo, Masumi, White, Stephen M., Hudson, Hugh S. & Lin, Robert P., 2006, Publications of the Astronomical Society of Japan, 58, L1
31	One Solar-Cycle Observations of Prominence Activities Using the Nobeyama Radioheliograph 1992-2004 Shimojo, Masumi, Yokoyama, Takaaki, Asai, Ayumi, Nakajima, Hiroshi & Shibasaki, Kiyoto, 2006, Publications of the Astronomical Society of Japan, 58, 85
29	Temporal and Spatial Analyses of Spectral Indices of Nonthermal Emissions Derived from Hard X-Rays and Microwaves Asai, Ayumi, Kiyohara, Junko, Takasaki, Hiroyuki, Narukage, Noriyuki, Yokoyama, Takaaki, Masuda, Satoshi, Shimojo, Masumi & Nakajima, Hiroshi, 2013, ApJ, 763, 87
27	Characteristics of Anemone Active Regions Appearing in Coronal Holes Observed with the Yohkoh Soft X-Ray Telescope Asai, Ayumi, Shibata, Kazunari, Hara, Hirohisa & Nitta, Nariaki V., 2008, ApJ, 673, 1188
27	Sheath-accumulating Propagation of Interplanetary Coronal Mass Ejection Takahashi, Takuya & Shibata, Kazunari, 2017, ApJ, 837, L17
24	A Quantitative Study of the Homologous Flares on 2000 November 24 Takasaki, Hiroyuki, Asai, Ayumi, Kiyohara, Junko, Shimojo, Masumi, Terasawa, Toshio, Takei, Yasuhiro & Shibata, Kazunari, 2004, ApJ, 613, 592
18	Prominence Activation By Coronal Fast Mode Shock Takahashi, Takuya, Asai, Ayumi & Shibata, Kazunari, 2015, ApJ, 801, 37
15	Statistical Analysis of the Relation between Coronal Mass Ejections and Solar Energetic Particles Kihara, Kosuke, Huang, Yuwei, Nishimura, Nobuhiko, Nitta, Nariaki V., Yashiro, Seiji, Ichimoto, Kiyoshi & Asai, Ayumi, 2020, ApJ, 900, 75
15	Relationship between three-dimensional velocity of filament eruptions and CME association Seki, Daikichi, Otsuji, Kenichi, Ishii, Takako T., Asai, Ayumi & Ichimoto, Kiyoshi, 2021, Earth, Planets and Space, 73, 58
14	Dynamic Processes of the Moreton Wave on 2014 March 29 Cabezas, Denis P., Asai, Ayumi, Ichimoto, Kiyoshi, Sakaue, Takahito, UeNo, Satoru, Ishitsuka, José K. & Shibata, Kazunari, 2019, ApJ, 883, 32
14	A Study on Red Asymmetry of Hα Flare Ribbons Using a Narrowband Filtergram in the 2001 April 10 Solar Flare Asai, Ayumi, Ichimoto, Kiyoshi, Kita, Reizaburo, Kurokawa, Hiroki & Shibata, Kazunari, 2012, Publications of the Astronomical Society of Japan, 64, 20
13	Imaging Spectroscopy on Preflare Coronal Nonthermal Sources Associated with the 2002 July 23 Flare Asai, Ayumi, Nakajima, Hiroshi, Shimojo, Masumi, Yokoyama, Takaaki, Masuda, Satoshi & Krucker, Säm, 2009, ApJ, 695, 1623
13	A Deep-Learning Approach for Operation of an Automated Realtime Flare Forecast Hada-Muranushi, Yuko, Muranushi, Takayuki, Asai, Ayumi, Okanohara, Daisuke, Raymond, Rudy, Watanabe, Gentaro, Nemoto, Shigeru & Shibata, Kazunari, 2016, arXiv:1606.01587
13	Internal structure of a coronal mass ejection revealed by Akatsuki radio occultation observations Ando, H., Shiota, D., Imamura, T., Tokumaru, M., Asai, A., Isobe, H., Päzold, M., Häusler, B. & Nakamura, M., 2015, Journal of Geophysical Research (Space Physics), 120, 5318
13	Validation of a scaling law for the coronal magnetic field strength and loop length of solar and stellar flares Namekata, Kosuke, Sakaue, Takahito, Watanabe, Kyoko, Asai, Ayumi & Shibata, Kazunari, 2017, Publications of the Astronomical Society of Japan, 69, 7
13	Temporal Evolution and Spatial Distribution of White-light Flare Kernels in a Solar Flare Kawate, T., Ishii, T. T., Nakatani, Y., Ichimoto, K., Asai, A., Morita, S. & Masuda, S., 2016, ApJ, 833, 50
12	Observational study on the fine structure and dynamics of a solar jet. II. Energy release process revealed by spectral analysis Sakaue, Takahito, Tei, Akiko, Asai, Ayumi, Ueno, Satoru, Ichimoto, Kiyoshi & Shibata, Kazunari, 2018, Publications of the Astronomical Society of Japan, 70, 99
12	Variation of the Solar Microwave Spectrum in the Last Half Century Shimojo, Masumi, Iwai, Kazumasa, Asai, Ayumi, Nozawa, Satoshi, Minamidani, Tetsuhiro & Saito, Masao, 2017, ApJ, 848, 62
11	Multiwavelength Sun-as-a-star Analysis of the M8.7 Flare on 2022 October 2 Using Hα and EUV Spectra Taken by SMART/SDDI and SDO/EVE Otsu, Takato & Asai, Ayumi, 2024, ApJ, 964, 75
10	PSTEP: project for solar–terrestrial environment prediction Kusano, Kanya, Ichimoto, Kiyoshi, Ishii, Mamoru, Miyoshi, Yoshizumi, Yoden, Shigeo, Akiyoshi, Hideharu, Asai, Ayumi, Ebihara, Yusuke, Fujiwara, Hitoshi, Goto, Tada-Nori, Hanaoka, Yoichiro, Hayakawa, Hisashi, Hosokawa, Keisuke, Hotta, Hideyuki, Hozumi, Kornyanat, Imada, Shinsuke, Iwai, Kazumasa, Iyemori, Toshihiko, Jin, Hidekatsu, Kataoka, Ryuho, Katoh, Yuto, Kikuchi, Takashi, Kubo, Yûki, Kurita, Satoshi, Matsumoto, Haruhisa, Mitani, Takefumi, Miyahara, Hiroko, Miyoshi, Yasunobu, Nagatsuma, Tsutomu, Nakamizo, Aoi, Nakamura, Satoko, Nakata, Hiroyuki, Nishizuka, Naoto, Otsuka, Yuichi, Saito, Shinji, Saito, Susumu, Sakurai, Takashi, Sato, Tatsuhiko, Shimizu, Toshifumi, Shinagawa, Hiroyuki, Shiokawa, Kazuo, Shiota, Daikou, Takashima, Takeshi, Tao, Chihiro, Toriumi, Shin, Ueno, Satoru, Watanabe, Kyoko, Watari, Shinichi, Yashiro, Seiji, Yoshida, Kohei & Yoshikawa, Akimasa, 2021, Earth, Planets and Space, 73, 159
9	“Dandelion” Filament Eruption and Coronal Waves Associated with a Solar Flare on 2011 February 16 Cabezas, Denis P., Martínez, Lurdes M., Buleje, Yovanny J., Ishitsuka, Mutsumi, Ishitsuka, José K., Morita, Satoshi, Asai, Ayumi, UeNo, Satoru, Ishii, Takako T., Kitai, Reizaburo, Takasao, Shinsuke, Yoshinaga, Yusuke, Otsuji, Kenichi & Shibata, Kazunari, 2017, ApJ, 836, 33
9	SMART/SDDI Filament Disappearance Catalogue Seki, D., Otsuji, K., Ishii, T., Hirose, K., Iju, T., UeNo, S., Cabezas, D., Asai, A., Isobe, H., Ichimoto, K. & Shibata, K., 2019, Sun and Geosphere, 14, 95
9	Unified Relationship between Cold Plasma Ejections and Flare Energies Ranging from Solar Microflares to Giant Stellar Flares Kotani, Yuji, Shibata, Kazunari, Ishii, Takako T., Yamasaki, Daiki, Otsuji, Kenichi, Ichimoto, Kiyoshi & Asai, Ayumi, 2023, ApJ, 943, 143
8	Observational study on the fine structure and dynamics of a solar jet. I. Energy build-up process around a satellite spot Sakaue, Takahito, Tei, Akiko, Asai, Ayumi, Ueno, Satoru, Ichimoto, Kiyoshi & Shibata, Kazunari, 2017, Publications of the Astronomical Society of Japan, 69, 80
6	Center-to-Limb Variation of Radio Emissions from Thermal-Rich and Thermal-Poor Solar Flares Kawate, Tomoko, Asai, Ayumi & Ichimoto, Kiyoshi, 2011, Publications of the Astronomical Society of Japan, 63, 1251
5	Flare Ribbon Expansion and Energy Release Asai, Ayumi, Yokoyama, Takaaki, Shimojo, Masumi, Masuda, Satoshi & Shibata, Kazunari, 2006, Journal of Astrophysics and Astronomy, 27, 167
5	Loop top nonthermal emission sources associated with an over-the-limb flare observed with NoRH and RHESSI Asai, Ayumi, Nakajima, Hiroshi, Oka, Mitsuo, Nishida, Keisuke & Tanaka, Yasuyuki T., 2007, Advances in Space Research, 39, 1398
4	Imaging Spectroscopy of a Gradual Hardening Flare on 2000 November 25 Takasaki, Hiroyuki, Kiyohara, Junko, Asai, Ayumi, Nakajima, Hiroshi, Yokoyama, Takaaki, Masuda, Satoshi, Sato, Jun & Kosugi, Takeo, 2007, ApJ, 661, 1234
3	A three-dimensional velocity of an erupting prominence prior to a coronal mass ejection Gutierrez, Maria V., Otsuji, Kenichi, Asai, Ayumi, Terrazas, Raul, Ishitsuka, Mutsumi, Ishitsuka, Jose, Nakamura, Naoki, Yoshinaga, Yusuke, Morita, Satoshi, Ishii, Takako T., Ueno, Satoru, Kitai, Reizaburo & Shibata, Kazunari, 2021, Publications of the Astronomical Society of Japan, 73, 394
2	Shock-Cloud Interaction in the Solar Corona Takahashi, Takuya, 2017, ApJ, 836, 178
2	Sun-as-a-star Analysis of the X1.6 Flare on 2023 August 5: Dynamics of Postflare Loops in Spatially Integrated Observational Data Otsu, Takato, Asai, Ayumi, Ikuta, Kai & Shibata, Kazunari, 2024, ApJ, 974, L13
2	Magnetic diffusion in solar atmosphere produces measurable electric fields Anan, Tetsu, Casini, Roberto, Uitenbroek, Han, Schad, Thomas A., Socas-Navarro, Hector, Ichimoto, Kiyoshi, Jaeggli, Sarah A., Tiwari, Sanjiv K., Reep, Jeffrey W., Katsukawa, Yukio, Asai, Ayumi, Qiu, Jiong, Reardon, Kevin P., Tritschler, Alexandra, Wöger, Friedrich & Rimmele, Thomas R., 2024, Nature Communications, 15, 8811
2	Thermodynamic properties of small flares in the quiet Sun observed by Hα and EUV: plasma motion of the chromosphere and time evolution of temperature/emission measure Kotani, Yuji, Ishii, T. T., Yamasaki, D., Otsuji, K., Ichimoto, K., Asai, A. & Shibata, K., 2023, MNRAS, 522, 4148
1	Solar Energetic Particle Events with Short and Long Onset Times Kihara, Kosuke, Asai, Ayumi, Yashiro, Seiji & Nitta, Nariaki V., 2023, ApJ, 946, 21
0	A fast-filament eruption observed in the Hα spectral line: I. Imaging spectroscopy diagnostic Cabezas, Denis P., Ichimoto, Kiyoshi, Asai, Ayumi, UeNo, Satoru, Morita, Satoshi, Otsuji, Ken-ichi & Shibata, Kazunari, 2024, A&A, 690, A172
0	Evolution of flare ribbons and energy release Asai, A., Masuda, S., Yokoyama, T., Shimojo, M., Kurokawa, H., Ishii, T. T. & Shibatal, K., 2003, Advances in Space Research, 32, 2561
0	Comparison of Solar Multifrequency Microwave Data with Other Solar Indices for Understanding Solar and Stellar Microwave Data Shimojo, Masumi, Namekata, Kosuke, Iwai, Kazumasa, Asai, Ayumi & Watanabe, Kyoko, 2024, ApJ, 965, 170
0	Simple model for filament and prominence eruptions from superflares on a young solar-type star Ikuta, Kai, Otsu, Takato, Asai, Ayumi, Namekata, Kosuke & Shibata, Kazunari, 2024, Cambridge Workshop on Cool Stars, Stellar Systems, and the Sun, Cambridge Workshop on Cool Stars, Stellar Systems, and the Sun, p. 100
0	Division E Commission 10: Solar Activity Schrijver, Carolus J., Fletcher, Lyndsay, van Driel-Gesztelyi, Lidia, Asai, Ayumi, Cally, Paul S., Charbonneau, Paul, Gibson, Sarah E., Gomez, Daniel, Hasan, Siraj S., Veronig, Astrid M. & Yan, Yihua, 2016, Transactions of the International Astronomical Union, Series A, 29A, 245
0	Observation of Persistent Propagating Waves in a Solar Prominence Ichimoto, Kiyoshi, Hashimoto, Yuki, Huang, Yuwei, Asai, Ayumi, Shirato, Haruhi, Yamazoe, Yuta, Kusuno, Kentaro, Ueno, Satoru & Yamasaki, Daiki, 2024, ApJ, 971, 102
0	Solar Activity in the Past and Its Impacts on Climate Miyahara, Hiroko, Asai, Ayumi & Ueno, Satoru, 2023, Solar-Terrestrial Environmental Prediction (Editors: Kusano, Kanya), p.403