Hayakawa Hisashi

ハヤカワヒサシ | Hayakawa Hisashi

Affiliation and department：
Other affiliations (1)：

japan society for the promotion of science Research Fellow

Homepage URL (1)： http://www.kwasan.kyoto-u.ac.jp/~hayakawa/

Research field (1)： Other

Research theme for competitive and other funds (8)：

2020 - 2025 Solar activity over the past 10,000 years
2021 - 2024 同時代黒点観測の歴史的文書に基づくダルトン極小期復元の試験的検討
2020 - 2023 宇宙線生成核種を用いたシュワーベサイクル検出手法の確立
2020 - 2022 A preliminary study for magnitude estimates and quantitative comparisons of the extreme space weather events based on the early modern analog observational records
2020 - 2022 Feasibility researches on the quantitative environmental history: a case study for the crisis of the 17th-century and its comparison

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Papers (98)：

Hisashi Hayakawa, Mitsuru Sôma, Naiqi Li. Variable Earth’s Rotation Speed in the 14th to 16th Centuries: New ΔT Constraints from Chinese Eclipse Records. Monthly Notices of the Royal Astronomical Society. 2026
Hisashi Hayakawa, David Hooper, Craig Rodger, Yusuke Ebihara, Heikki Nevanlinna, David Willis. Did Alfred Russel Wallace See Aurora near the Equator?. Journal of Space Weather and Space Climate. 2026
Hisashi Hayakawa, Mathew J. Owens, Meng Jin, Mitsuru Sôma, Mike Lockwood. Analyses of the Ancient Chinese Report on the Total Solar Eclipse in 709 BCE: Implications for the Contemporaneous Earth’s Rotation Speed and Solar Cycles. The Astrophysical Journal Letters. 2025. 995. 1. L1-L1
Hisashi Hayakawa, Yusuke Ebihara, Alexander Mishev, Sergey Koldobskiy, Kanya Kusano, Sabrina Bechet, Seiji Yashiro, Kazumasa Iwai, Atsuki Shinbori, Kalevi Mursula, et al. The Solar and Geomagnetic Storms in 2024 May: A Flash Data Report. The Astrophysical Journal. 2025. 979. 1. 49-49
Hisashi Hayakawa, Koji Murata, E. Thomas H. Teague, Sabrina Bechet, Mitsuru Sôma. Analyses of Johannes Kepler’s Sunspot Drawings in 1607: A Revised Scenario for the Solar Cycles in the Early 17th Century. The Astrophysical Journal Letters. 2024. 970. 2. L31-L31

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MISC (5)：

Hisashi Hayakawa, Yusuke Ebihara. Great Space Weather Events Recorded in History. Solar-Terrestrial Environment Prediction. 2020
Harufumi Tamazawa, Hisashi Hayakawa, Akito D. Kawamura, Hiroaki Isobe. Re-survey of Records of Sunspots and Aurora Candidates in Historical Documents to Understand Solar Activity for 1000 years. Astronomical Herald. 2017. 110. 7. 464-471
Yasuyuki Mitsuma, Hisashi Hayakawa. Earliest Datable Records and Drawings of Aurora-like Phenomena. Astronomical Herald. 2017. 110. 7. 472-479
Hisashi Hayakawa, Kiyomi Iwahashi. The Carrington Event Recorded in East Asian Historical Documents. Astronomical Herald. 2017. 110. 7. 455-463
Hisashi Hayakawa. =Book Review= Adam J. Silverstein, Postal Systems in the Pre-Modern Islamic World. Cambridge: Cambridge University Press, 2007. Studies on the Inner Asian Languages. 2016. 31. 87-98

Lectures and oral presentations (53)：

Contribution of Historical Studies upon Reconstruction of Environments in History: Case Studies of Recent Discussions on Reconstructions of Variable Solar Activity in 8th and 17th Centuries
(Conference of Osaka University History Education Project 2019)
8世紀年代記史料とその環境史的意義 -- ズークニーン年代記、アングロサクソン年代記などと近代観測の比較検討
(東方キリスト教圏研究会 2019)
Extreme Space Weather Events in History: Was the Carrington Event Really Exceptional ?
(Surrey Space Centre Seminar 2019)
Reconstructing Extreme Space-Weather Events in History
(AGU Chapman Conference 2019)
Going beyond the Database to the Historical Data: Geomagnetic Storms and Aurorae
(European Space Weather Week 2018)

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Work history (4)：

2020/04 - 現在 Nagoya University Institute for Space and Earth Environmental Research Designated Assistant Professor
2020/04 - 現在 Nagoya University Institute for Advanced Research Designated Assistant Professor
2018/04 - 現在 Rutherford Appleton Laboratory Space Physics and Operations Division Visiting Researcher
2017/04 - 2020/03 Tthe Japan Society for the Promotion of Science Research Fellow

Committee career (5)：

2023/07 - 現在 The International Association of Geomagnetism and Aeronomy Co-chair of the Interdivisional Commission on History
2023/03 - 現在 Journal of Astronomical History and Heritage Editorial Board
2022/09 - 現在 Asian Reviews of the World Histories Editor
2019/09 - 現在 History of Geo- and Space Science Editor
2021/04 - 2021/12 Geoscience Data Journal Guest Editor

Awards (4)：

2023/04 - The Minister of Education, Culture, Sports, Science and Technology (MEXT) The Young Scientists' Award of the Minister of Education, Culture, Sports, Science and Technology (MEXT)
2018/05 - Earth Planets and Space EPS Young Researcher Award
2017/03 - Kyoto University President Prize
2016/11 - The Society of Geomagnetism and Earth, Planetary and Space Sciences Prize for Splendid presenters

Association Membership(s) (5)：

SOCIETY OF GEOMAGNETISM AND EARTH, PLANETARY AND SPACE SCIENCES , Association for Islamic Studies in Japan , 東方キリスト教圏研究会 , SOCIETY OF INNER ASIAN STUDIES , THE ASTRONOMICAL SOCIETY OF JAPAN

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