Hayakawa Hisashi 早川尚志

Researcher Number	10879787
Affiliation (Current)	2025: 名古屋大学, 宇宙地球環境研究所, 助教
Affiliation (based on the past Project Information) *help	2025: 名古屋大学, 宇宙地球環境研究所, 助教 2020 – 2025: 名古屋大学, 高等研究院(宇宙), 特任助教
Review Section/Research Field	Principal Investigator Basic Section 16010:Astronomy-related / 0204:Astronomy, earth and planetary science, and related fields Except Principal Investigator Medium-sized Section 15:Particle-, nuclear-, astro-physics, and related fields / Basic Section 09080:Science education-related / Broad Section B / Medium-sized Section 16:Astronomy and related fields
Keywords	Principal Investigator 環境史 / 歴史的観測 / 太陽フレア / 太陽黒点 / 太陽嵐 / 太陽地球物理 / 宇宙天気 / 宇宙線 / 太陽活動周期 / 太陽物理学 … More / 黒点 / 太陽地球環境 / 宇宙気候 / 太陽活動 / 宇宙天気現象 / 磁気嵐 / 太陽物理 / オーロラ / 地磁気 … More Except Principal Investigator 氷床コア / 宇宙線生成核種 / 樹木年輪 / 年輪 / 太陽 / ベリリウム10 / 太陽活動 / 放射性炭素 / 塩素36 / 極端太陽面爆発 / 長野県は宇宙県 / 市民天文同好会 / 天文文化史 / 天文学史 / 光害 / 変光星 / 諏訪天文同好会 / Citizen Science / 市民科学プロジェクト / 宇宙天気予報 / 太陽黒点 / 協働 / 天文同好会 / 天文文化 / 天文学 / 市民科学 / Solar Energetic Particle / 加速器質量分析 / 宇宙線 / solar energetic particle / 太陽面爆発 / 太陽高エネルギー粒子 / 極端太陽イベント / SEPイベント / シュワーべサイクル / 氷床 / シュワーベサイクル Less

Investigatin past extreme solar events using Antarctic ice cores
- Principal Investigator
  
  三宅芙沙
- Project Period (FY)
  2025 – 2028
- Research Category
  
  Grant-in-Aid for Scientific Research (A)
- Review Section
  
  Medium-sized Section 15:Particle-, nuclear-, astro-physics, and related fields
- Research Institution
  Nagoya University
Reconstructions of solar particle storms on the basis of historical analog recordsPrincipal Investigator
- Principal Investigator
  
  早川尚志
- Project Period (FY)
  2025 – 2027
- Research Category
  
  Grant-in-Aid for Early-Career Scientists
- Review Section
  
  Basic Section 16010:Astronomy-related
- Research Institution
  Nagoya University
Cultural Astronomy of "Astro-Nagano" Project from the viewpoint of Citizen Science
- Principal Investigator
  
  大西浩次
- Project Period (FY)
  2022 – 2024
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 09080:Science education-related
- Research Institution
  Nagano National College of Technology
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Principal Investigator
- Principal Investigator
  
  早川尚志
- Project Period (FY)
  2021 – 2024
- Research Category
  
  Grant-in-Aid for Early-Career Scientists
- Review Section
  
  Basic Section 16010:Astronomy-related
- Research Institution
  Nagoya University
Establishment of a method for detecting Schwabe cycles using cosmogenic nuclides
- Principal Investigator
  
  Miyake Fusa
- Project Period (FY)
  2020 – 2023
- Research Category
  
  Grant-in-Aid for Challenging Research (Exploratory)
- Review Section
  
  Medium-sized Section 15:Particle-, nuclear-, astro-physics, and related fields
- Research Institution
  Nagoya University
A preliminary study for magnitude estimates and quantitative comparisons of the extreme space weather events based on the early modern analog observational recordsPrincipal Investigator
- Principal Investigator
  
  Hayakawa Hisashi
- Project Period (FY)
  2020 – 2021
- Research Category
  
  Grant-in-Aid for Research Activity Start-up
- Review Section
  
  0204:Astronomy, earth and planetary science, and related fields
- Research Institution
  Nagoya University
多核種分析による完新世の極端太陽現象の頻度と規模解明
- Principal Investigator
  
  三宅芙沙
- Project Period (FY)
  2020
- Research Category
  
  Grant-in-Aid for Scientific Research (A)
- Review Section
  
  Medium-sized Section 16:Astronomy and related fields
- Research Institution
  Nagoya University
Solar activity over the past 10,000 years
- Principal Investigator
  
  三宅芙沙
- Project Period (FY)
  2020 – 2024
- Research Category
  
  Grant-in-Aid for Scientific Research (S)
- Review Section
  
  Broad Section B
- Research Institution
  Nagoya University

All 2024 2023 2022 2021 2020

All Journal Article Presentation

[Journal Article] Preface to the special issue on “Old records for new knowledge”2024
- Author(s)
  Batllo Josep、Hayakawa Hisashi、Slonosky Victoria、Crouthamel Richard I.
- Journal Title
  
  Geoscience Data Journal
  
  Volume: -
- DOI
  10.1002/gdj3.243
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-21K13957
[Journal Article] Revision of the strongest solar energetic particle event of 23 February 1956 (GLE #5) based on the rediscovered original records2024
- Author(s)
  Hayakawa Hisashi、Koldobskiy Sergey、Mishev Alexander、Poluianov Stepan、Gil Agnieszka、Usoskina Inna、Usoskin Ilya
- Journal Title
  
  Astronomy & Astrophysics
  
  Volume: 684 Pages: A46-A46
- DOI
  10.1051/0004-6361/202348699
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K02956, KAKENHI-PROJECT-20K20918, KAKENHI-PROJECT-20H05643
[Journal Article] Reconstructing Sunspot Number by Forward-Modelling Open Solar Flux2024
- Author(s)
  Owens Mathew J.、Lockwood Mike、Barnard Luke A.、Usoskin Ilya、Hayakawa Hisashi、Pope Benjamin J. S.、McCracken Ken
- Journal Title
  
  Solar Physics
  
  Volume: 299 Issue: 1 Pages: 3-3
- DOI
  10.1007/s11207-023-02241-3
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21K13957, KAKENHI-PROJECT-22K02956
[Journal Article] Transient Offset in 14C After the Carrington Event Recorded by Polar Tree Rings2024
- Author(s)
  Uusitalo Joonas、Golubenko Kseniia、Arppe Laura、Brehm Nicolas、Hackman Thomas、Hayakawa Hisashi、Helama Samuli、Mizohata Kenichiro、Miyake Fusa、 Harri Mäkinen、 Pekka Nöjd、Tanskanen Eija、Tokanai Fuyuki、Rozanov Eugene、Wacker Lukas、Usoskin Ilya、Oinonen Markku
- Journal Title
  
  Geophysical Research Letters
  
  Volume: 51 Issue: 5
- DOI
  10.1029/2023gl106632
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K20918, KAKENHI-PROJECT-20H05643, KAKENHI-PROJECT-23H00135
[Journal Article] Rudolf Wolf to Alfred Wolfer: The Transfer of the Reference Observer in the International Sunspot Number Series (1876-1893)2024
- Author(s)
  Bhattacharya S.、Lefevre L.、Chatzistergos T.、Hayakawa H.、Jansen M.
- Journal Title
  
  Solar Physics
  
  Volume: 299 Issue: 4 Pages: 45-45
- DOI
  10.1007/s11207-024-02261-7
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21K13957, KAKENHI-PROJECT-22K02956
[Journal Article] Magnitude Estimates for the Carrington Flare in 1859 September: As Seen from the Original Records2023
- Author(s)
  Hayakawa Hisashi、Bechet Sabrina、Clette Frederic、Hudson Hugh S.、Maehara Hiroyuki、Namekata Kosuke、Notsu Yuta
- Journal Title
  
  The Astrophysical Journal Letters
  
  Volume: 954 Issue: 1 Pages: L3-L3
- DOI
  10.3847/2041-8213/acd853
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21K13957, KAKENHI-PROJECT-20K20918, KAKENHI-PROJECT-22KJ3091, KAKENHI-PROJECT-20H05643
[Journal Article] Katsue Misawa's sunspot observations in 1921?1934: a primary reference for the Wolfer-Brunner transition2023
- Author(s)
  Hayakawa Hisashi、Suyama Toru、Clette Fr?d?ric、Bhattacharya Shreya、Lef?vre Laure、Ohnishi Kouji
- Journal Title
  
  Monthly Notices of the Royal Astronomical Society
  
  Volume: - Issue: 4 Pages: 4289-4303
- DOI
  10.1093/mnras/stad2791
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K02956, KAKENHI-PROJECT-20K20918, KAKENHI-PROJECT-20H05643
[Journal Article] Analyses for graphical records for a total solar eclipse in 1230 May: a possible reference for the ‘Medieval Grand Maximum’2023
- Author(s)
  Hayakawa Hisashi、Murata Koji、Owens Mathew J、Lockwood Mike
- Journal Title
  
  Monthly Notices of the Royal Astronomical Society
  
  Volume: 530 Issue: 3 Pages: 3150-3159
- DOI
  10.1093/mnras/stad3874
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21K13957, KAKENHI-PROJECT-22K02956, KAKENHI-PROJECT-19H00546
[Journal Article] Analyses of Equatorward Auroral Extensions during the Extreme Geomagnetic Storm on 15 July 19592023
- Author(s)
  Hayakawa Hisashi、Ebihara Yusuke、Pevtsov Alexei A
- Journal Title
  
  Monthly Notices of the Royal Astronomical Society
  
  Volume: 527 Issue: 3 Pages: 7298-7305
- DOI
  10.1093/mnras/stad3556
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K20918, KAKENHI-PROJECT-20H05643
[Journal Article] Scale Transfer in 1849: Heinrich Schwabe to Rudolf Wolf2023
- Author(s)
  Bhattacharya S.、Lefevre L.、Hayakawa H.、Jansen M.、Clette F.
- Journal Title
  
  Solar Physics
  
  Volume: 298 Issue: 1 Pages: 12-12
- DOI
  10.1007/s11207-022-02103-4
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21K13957
[Journal Article] Karl von Lindener’s sunspot observations during 1800-1827: Another long-term dataset for the Dalton Minimum2023
- Author(s)
  Hayakawa Hisashi、Arlt Rainer、Iju Tomoya、Besser Bruno P.
- Journal Title
  
  Journal of Space Weather and Space Climate
  
  Volume: 13 Pages: 33-33
- DOI
  10.1051/swsc/2023023
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21K13957, KAKENHI-PROJECT-22K02956, KAKENHI-PROJECT-20K20918, KAKENHI-PROJECT-20H05643
[Journal Article] No signature of extreme solar energetic particle events in high-precision <sup>14</sup>C data from the Alaskan tree for 1844?1876 CE2023
- Author(s)
  Miyake Fusa、Hakozaki Masataka、Hayakawa Hisashi、Nakano Naruki、Wacker Lukas
- Journal Title
  
  Journal of Space Weather and Space Climate
  
  Volume: 13 Pages: 31-31
- DOI
  10.1051/swsc/2023030
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K02956, KAKENHI-PROJECT-20K20918, KAKENHI-PROJECT-20H05643, KAKENHI-PLANNED-23H04845, KAKENHI-PROJECT-20H00035, KAKENHI-PROJECT-23H00135
[Journal Article] An Overview of Sunspot Observations in the Early Maunder Minimum: 1645-16592023
- Author(s)
  Hayakawa Hisashi、Carrasco Victor M S、Aparicio Alejandro J P、Villalba Alvarez Joaquin、Vaquero Jose M
- Journal Title
  
  Monthly Notices of the Royal Astronomical Society
  
  Volume: 528 Issue: 4 Pages: 6280-6291
- DOI
  10.1093/mnras/stad3922
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21K13957, KAKENHI-PROJECT-22K02956, KAKENHI-PROJECT-20K20918, KAKENHI-PROJECT-20H05643
[Journal Article] The Extreme Space Weather Event of 1872 February: Sunspots, Magnetic Disturbance, and Auroral Displays2023
- Author(s)
  Hayakawa Hisashi、Cliver Edward W.、Frederic Clette、Ebihara Yusuke、Toriumi Shin、Ermolli Ilaria、Chatzistergos Theodosios、Hattori Kentaro、Knipp Delores J.、Sean P. Blake、Cauzzi Gianna、Reardon Kevin、Bourdin Philippe-A.、Just Dorothea、et al.
- Journal Title
  
  The Astrophysical Journal
  
  Volume: 959 Issue: 1 Pages: 23-23
- DOI
  10.3847/1538-4357/acc6cc
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K20918, KAKENHI-PROJECT-20H05643
[Journal Article] Extreme Solar Events: Setting up a Paradigm2023
- Author(s)
  Usoskin Ilya、Miyake Fusa、Baroni Melanie、Brehm Nicolas、Dalla Silvia、Hayakawa Hisashi、Hudson Hugh、Jull A. J. Timothy、Knipp Delores、Koldobskiy Sergey、Maehara Hiroyuki、Mekhaldi Florian、Notsu Yuta、et al.
- Journal Title
  
  Space Science Reviews
  
  Volume: 219 Issue: 8
- DOI
  10.1007/s11214-023-01018-1
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K02956, KAKENHI-PROJECT-20K20918, KAKENHI-PROJECT-20H05643, KAKENHI-PROJECT-23H00135
[Journal Article] Recalibration of the Sunspot-Number: Status Report2023
- Author(s)
  Clette F.、Lefevre L.、Chatzistergos T.、Hayakawa H.、Carrasco V. M. S.、Arlt R.、Cliver E. W.、Dudok de Wit T.、Friedli T. K.、Karachik N.、Kopp G.、Lockwood M.、Mathieu S.、Munoz-Jaramillo A.、Owens M.、Pesnell D.、Pevtsov A.、Svalgaard L.、Usoskin I. G.、van Driel-Gesztelyi L.、Vaquero J. M.
- Journal Title
  
  Solar Physics
  
  Volume: 298 Issue: 3 Pages: 44-44
- DOI
  10.1007/s11207-023-02136-3
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K20918, KAKENHI-PROJECT-21K13957, KAKENHI-PROJECT-20H05643
[Journal Article] A candidate auroral report in the Bamboo Annals, indicating a possible extreme space weather event in the early 10th century BCE2022
- Author(s)
  van der Sluijs Marinus Anthony、Hayakawa Hisashi
- Journal Title
  
  Advances in Space Research
  
  Volume: - Issue: 12 Pages: 5767-5776
- DOI
  10.1016/j.asr.2022.01.010
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K22367, KAKENHI-PROJECT-21K13957
[Journal Article] Temporal Variations of the Three Geomagnetic Field Components at Colaba Observatory around the Carrington Storm in 18592022
- Author(s)
  Hayakawa Hisashi、Nevanlinna Heikki、Sean P. Blake、Ebihara Yusuke、Bhaskar Ankush T.、Miyoshi Yoshizumi
- Journal Title
  
  The Astrophysical Journal
  
  Volume: 928 Issue: 1 Pages: 32-32
- DOI
  10.3847/1538-4357/ac2601
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K22367, KAKENHI-PROJECT-20H05643
[Journal Article] Inference of magnetic field during the Dalton minimum: Case study with recorded sunspot areas2022
- Author(s)
  Uneme Shoma、Imada Shinsuke、Lee Harim、Park Eunsu、Hayakawa Hisashi、Iju Tomoya、Moon Yong-Jae
- Journal Title
  
  Publications of the Astronomical Society of Japan
  
  Volume: 74 Issue: 4 Pages: 767-776
- DOI
  10.1093/pasj/psac032
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K20918, KAKENHI-PROJECT-21K13957, KAKENHI-PROJECT-20K20943, KAKENHI-PROJECT-20H05643
[Journal Article] The Extreme Solar and Geomagnetic Storms on 20-25 March 19402022
- Author(s)
  Hayakawa Hisashi、Oliveira Denny M、Shea Margaret A、Smart Don F、Blake Sean P、Hattori Kentaro、Bhaskar Ankush T、Curto Juan J、Franco Daniel R、Ebihara Yusuke
- Journal Title
  
  Monthly Notices of the Royal Astronomical Society
  
  Volume: - Issue: 2 Pages: 1709-1723
- DOI
  10.1093/mnras/stab3615
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K22367, KAKENHI-PROJECT-20H05643
[Journal Article] Sunspot observations at Kawaguchi Science Museum: 1972 -- 20132022
- Author(s)
  Hayakawa Hisashi、Suzuki Daisuke、Mathieu Sophie、Lefevre Laure、Takuma Hitoshi、Hiei Eijiro
- Journal Title
  
  Geoscience Data Journal
  
  Volume: 10 Issue: 1 Pages: 87-98
- DOI
  10.1002/gdj3.158
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21K13957, KAKENHI-PROJECT-20H05643
[Journal Article] A review for Japanese auroral records on the three extreme space weather events around the International Geophysical Year (1957?1958)2022
- Author(s)
  Hayakawa Hisashi、Ebihara Yusuke、Hata Hidetoshi
- Journal Title
  
  Geoscience Data Journal
  
  Volume: - Issue: 1 Pages: 142-157
- DOI
  10.1002/gdj3.140
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-20K22367, KAKENHI-PROJECT-20H05643
[Journal Article] An Overview of Sunspot Observations in 1727-17482022
- Author(s)
  Hayakawa Hisashi、Hattori Kentaro、Soma Mitsuru、Iju Tomoya、Besser Bruno P.、Kosaka Shunsuke
- Journal Title
  
  The Astrophysical Journal
  
  Volume: 941 Issue: 2 Pages: 151-151
- DOI
  10.3847/1538-4357/ac6671
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K20918, KAKENHI-PROJECT-21K13957, KAKENHI-PROJECT-20H05643
[Journal Article] Analyses of historical solar eclipse records in Hokkaido Island in the 18-19th centuries2022
- Author(s)
  Hayakawa Hisashi、Soma Mitsuru、Daigo Ryuma
- Journal Title
  
  Publications of the Astronomical Society of Japan
  
  Volume: 74 Issue: 6 Pages: 1275-1286
- DOI
  10.1093/pasj/psac064
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-20K20918, KAKENHI-PROJECT-21K13957, KAKENHI-PROJECT-20H05643
[Journal Article] The Intensity and Evolution of the Extreme Solar and Geomagnetic Storms in 1938 January2021
- Author(s)
  Hayakawa Hisashi、Hattori Kentaro、Pevtsov Alexei A.、Ebihara Yusuke、Shea Margaret A.、McCracken Ken G.、Daglis Ioannis A.、Bhaskar Ankush T.、Ribeiro Paulo、Knipp Delores J.
- Journal Title
  
  The Astrophysical Journal
  
  Volume: 909 Issue: 2 Pages: 197-197
- DOI
  10.3847/1538-4357/abc427
- NAID
  120007163649
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K22367, KAKENHI-PROJECT-20H05643
[Journal Article] Graphical evidence for the solar coronal structure during the Maunder minimum: comparative study of the total eclipse drawings in 1706 and 17152021
- Author(s)
  Hayakawa Hisashi、Lockwood Mike、Owens Matthew J.、S?ma Mitsuru、Besser Bruno P.、van Driel-Gesztelyi Lidia
- Journal Title
  
  Journal of Space Weather and Space Climate
  
  Volume: 11 Pages: 1-1
- DOI
  10.1051/swsc/2020035
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20H05643
[Journal Article] Stephan Prantner’s Sunspot Observations during the Dalton Minimum2021
- Author(s)
  Hayakawa Hisashi、Uneme Shoma、Besser Bruno P.、Iju Tomoya、Imada Shinsuke
- Journal Title
  
  The Astrophysical Journal
  
  Volume: 919 Issue: 1 Pages: 1-1
- DOI
  10.3847/1538-4357/abee1b
- NAID
  120007190685
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K22367, KAKENHI-PROJECT-20H05643, KAKENHI-PROJECT-20K20918, KAKENHI-PROJECT-20K20943, KAKENHI-PROJECT-21K13957
[Journal Article] The extreme space weather events in October 17882021
- Author(s)
  Hattori Kentaro、Hayakawa Hisashi、Ebihara Yusuke
- Journal Title
  
  Publications of the Astronomical Society of Japan
  
  Volume: 73 Issue: 5 Pages: 1367-1374
- DOI
  10.1093/pasj/psab079
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20K22367, KAKENHI-PROJECT-21K13957
[Journal Article] Sunspot Observations at the Eimmart Observatory and in Its Neighborhood during the Late Maunder Minimum (1681?1718)2021
- Author(s)
  Hayakawa Hisashi、Kuroyanagi Chiaki、Carrasco V?ctor M. S.、Uneme Shoma、Besser Bruno P.、S?ma Mitsuru、Imada Shinsuke
- Journal Title
  
  The Astrophysical Journal
  
  Volume: 909 Issue: 2 Pages: 166-166
- DOI
  10.3847/1538-4357/abd949
- NAID
  120007163648
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20H05643
[Journal Article] Analyses of Early Sunspot Records by Jean Tarde (1615-1617) and Jan Smogulecki (1621???1625)2021
- Author(s)
  Carrasco V. M. S.、Gallego M. C.、Villalba ?lvarez J.、Vaquero J. M.、Hayakawa H.
- Journal Title
  
  Solar Physics
  
  Volume: 296 Issue: 11 Pages: 170-170
- DOI
  10.1007/s11207-021-01905-2
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21K13957
[Journal Article] The Extreme Space Weather Event in 1941 February/March2021
- Author(s)
  Hayakawa Hisashi、Blake Sean P.、Bhaskar Ankush、Hattori Kentaro、Oliveira Denny M.、Ebihara Yusuke
- Journal Title
  
  The Astrophysical Journal
  
  Volume: 908 Issue: 2 Pages: 209-209
- DOI
  10.3847/1538-4357/abb772
- NAID
  120007163651
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K22367, KAKENHI-PROJECT-20H05643
[Journal Article] Candidate Auroral Observations Indicating a Major Solar?Terrestrial Storm in 1680: Implication for Space Weather Events during the Maunder Minimum2021
- Author(s)
  Hayakawa Hisashi、Schlegel Kristian、Besser Bruno P.、Ebihara Yusuke
- Journal Title
  
  The Astrophysical Journal
  
  Volume: 909 Issue: 1 Pages: 29-29
- DOI
  10.3847/1538-4357/abb3c2
- NAID
  120007163650
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K22367, KAKENHI-PROJECT-20H05643
[Journal Article] Johann Christoph M?ller’s Sunspot Observations in 1719???1720: Snapshots of the Immediate Aftermath of the Maunder Minimum2021
- Author(s)
  Hayakawa Hisashi、Iju Tomoya、Kuroyanagi Chiaki、Carrasco V?ctor M. S.、Besser Bruno P.、Uneme Shoma、Imada Shinsuke
- Journal Title
  
  Solar Physics
  
  Volume: 296 Issue: 10 Pages: 154-154
- DOI
  10.1007/s11207-021-01880-8
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20H05643, KAKENHI-PROJECT-20K20943, KAKENHI-PROJECT-21K13957
[Journal Article] Strong evidence of low levels of solar activity during the Maunder Minimum2021
- Author(s)
  Carrasco V M S、Hayakawa H、Kuroyanagi C、Gallego M C、Vaquero J M
- Journal Title
  
  Monthly Notices of the Royal Astronomical Society
  
  Volume: 504 Issue: 4 Pages: 5199-5204
- DOI
  10.1093/mnras/stab1155
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21K13957
[Journal Article] Daniel Mogling’s Sunspot Observations in 1626-1629: A Manuscript Reference for the Solar Activity before the Maunder Minimum2021
- Author(s)
  Hisashi Hayakawa, Tomoya Iju, Koji Murata, Bruno P. Besser
- Journal Title
  
  The Astrophysical Journal
  
  Volume: 909(2) Issue: 2 Pages: 194-194
- DOI
  10.3847/1538-4357/abdd34
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K13389, KAKENHI-PROJECT-20H05643, KAKENHI-PROJECT-19H00546
[Journal Article] On the Size of the Flare Associated with the Solar Proton Event in 774 AD2020
- Author(s)
  Cliver E. W.、Hayakawa H.、Love Jeffrey J.、Neidig D. F.
- Journal Title
  
  The Astrophysical Journal
  
  Volume: 903 Issue: 1 Pages: 41-41
- DOI
  10.3847/1538-4357/abad93
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K22367
[Journal Article] South American auroral reports during the Carrington storm2020
- Author(s)
  Hayakawa Hisashi、Ribeiro Jos? R.、Ebihara Yusuke、Correia Ana P.、S?ma Mitsuru
- Journal Title
  
  Earth, Planets and Space
  
  Volume: 72 Issue: 1 Pages: 122-122
- DOI
  10.1186/s40623-020-01249-4
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K22367, KAKENHI-WRAPUP-20H05604, KAKENHI-PROJECT-20H05643
[Journal Article] A possible case of sporadic aurora observed at Rio de Janeiro2020
- Author(s)
  Oliveira Denny M.、Hayakawa Hisashi、Bhaskar Ankush、Zesta Eftyhia、Vichare Geeta
- Journal Title
  
  Earth, Planets and Space
  
  Volume: 72 Issue: 1 Pages: 72-72
- DOI
  10.1186/s40623-020-01208-z
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K22367, KAKENHI-WRAPUP-20H05604
[Journal Article] Estimating Satellite Orbital Drag During Historical Magnetic Superstorms2020
- Author(s)
  Oliveira Denny M.、Zesta Eftyhia、Hayakawa Hisashi、Bhaskar Ankush
- Journal Title
  
  Space Weather
  
  Volume: 18 Issue: 11
- DOI
  10.1029/2020sw002472
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K22367
[Journal Article] Intensity and time series of extreme solar-terrestrial storm in 1946 March2020
- Author(s)
  Hayakawa Hisashi、Ebihara Yusuke、Pevtsov Alexei A、Bhaskar Ankush、Karachik Nina、Oliveira Denny M
- Journal Title
  
  Monthly Notices of the Royal Astronomical Society
  
  Volume: 497 Issue: 4 Pages: 5507-5517
- DOI
  10.1093/mnras/staa1508
- NAID
  120007145987
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K22367, KAKENHI-PROJECT-20H05643
[Journal Article] An Analysis of Trouvelot's Auroral Drawing on 1/2 March 1872: Plausible Evidence for Recurrent Geomagnetic Storms2020
- Author(s)
  Bhaskar Ankush、Hayakawa Hisashi、Oliveira Denny M.、Blake Sean、Silverman Sam M.、Ebihara Yusuke
- Journal Title
  
  Journal of Geophysical Research: Space Physics
  
  Volume: 125 Issue: 10
- DOI
  10.1029/2020ja028227
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K22367
[Journal Article] The Solar Corona during the Total Eclipse on 1806 June 16: Graphical Evidence of the Coronal Structure during the Dalton Minimum2020
- Author(s)
  Hayakawa Hisashi、Owens Mathew J.、Lockwood Michael、S?ma Mitsuru
- Journal Title
  
  The Astrophysical Journal
  
  Volume: 900 Issue: 2 Pages: 114-114
- DOI
  10.3847/1538-4357/ab9807
- NAID
  120006957730
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20H05643
[Journal Article] Reanalyses of the sunspot observations of Fogelius and Siverus: Two “Long-Term” observers during the Maunder Minimum2020
- Author(s)
  Hayakawa Hisashi、Iju Tomoya、Uneme Shoma、Besser Bruno P、Kosaka Shunsuke、Imada Shinsuke
- Journal Title
  
  Monthly Notices of the Royal Astronomical Society
  
  Volume: staa Issue: 1 Pages: 2965-2965
- DOI
  10.1093/mnras/staa2965
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K20943, KAKENHI-PROJECT-20K22367, KAKENHI-PROJECT-20H05643
[Presentation] 樹木年輪14C分析による19世紀の極端太陽高エネルギー粒子イベントの調査2024
- Author(s)
  三宅芙沙、箱崎真隆、早川尚志、Lukas Wacker
- Organizer
  物理学会
- Data Source
  KAKENHI-PROJECT-20K20918
[Presentation] 樹木年輪14C分析による19世紀の極端太陽高エネルギー粒子イベントの調査2024
- Author(s)
  三宅芙沙、箱崎真隆、早川尚志、Lukas Wacker
- Organizer
  物理学会
- Data Source
  KAKENHI-PROJECT-20H05643
[Presentation] 太陽観測データ整備・較正2023
- Author(s)
  早川尚志
- Organizer
  日本変光星観測者会議
- Invited
- Data Source
  KAKENHI-PROJECT-21K13957
[Presentation] Archival investigations for historical solar activity: Their source variations, data reconstructions, and challenges2023
- Author(s)
  Hisashi Hayakawa
- Organizer
  IUGG 2023 Berlin
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21K13957
[Presentation] 樹木年輪の14C分析による19世紀の太陽活動の調査2023
- Author(s)
  三宅芙沙,箱崎真隆,早川尚志, Lukas Wacker
- Organizer
  第70回応用物理学会
- Data Source
  KAKENHI-PROJECT-20H05643
[Presentation] 樹木年輪の14C分析による19世紀の太陽活動の調査2023
- Author(s)
  三宅芙沙, 箱崎真隆,早川尚志, Lukas Wacker
- Organizer
  第70回応用物理学会
- Data Source
  KAKENHI-PROJECT-20K20918
[Presentation] Investigation of extreme solar energetic particle events in the 19th century2023
- Author(s)
  Fusa Miyake, Masataka Hakozaki, Hisashi Hayakawa, Lukas Wacker
- Organizer
  Sun-Climate Symposium
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K20918
[Presentation] Investigation of extreme solar events in the 19th century from tree-ring 14C data2023
- Author(s)
  Fusa Miyake, Masataka Hakozaki, Hisashi Hayakawa, Lukas Wacker
- Organizer
  38th International Cosmic Ray Conference
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20H05643
[Presentation] Implications of Eurasian Astral Records: Several Case Studies2023
- Author(s)
  Hisashi Hayakawa
- Organizer
  Myth snd Science in Ancient World
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21K13957
[Presentation] Investigation of extreme solar events in the 19th century from tree-ring 14C data2023
- Author(s)
  Fusa Miyake, Masataka Hakozaki, Hisashi Hayakawa, Lukas Wacker
- Organizer
  38th International Cosmic Ray Conference
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K20918
[Presentation] Contrasts of the Maunder Minimum and the Dalton Minimum: Archival Analyses2023
- Author(s)
  Hisashi Hayakawa
- Organizer
  Sun Climate Symposium 2023
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21K13957
[Presentation] Investigation of extreme solar energetic particle events in the 19th century2023
- Author(s)
  Fusa Miyake, Masataka Hakozaki, Hisashi Hayakawa, Lukas Wacker
- Organizer
  Sun-Climate Symposium
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20H05643
[Presentation] ニュートン書簡集とマウンダー極小期―18世紀初頭の太陽地球環境変動の事例研究2022
- Author(s)
  早川尚志
- Organizer
  日本科学史学会
- Invited
- Data Source
  KAKENHI-PROJECT-21K13957
[Presentation] 過去1万年間の極端太陽高エネルギー粒子現象の調査2022
- Author(s)
  三宅芙沙、箱崎真隆、Rashit Hantemirov、早川尚志、Samuli Helama、堀内一穂、 A.J.Timothy Jull、木村勝彦、前原裕之、宮原ひろ子、森谷透、Markku Oinonen、Irina Panyushkina、笹公和、武山美麗、門叶冬樹
- Organizer
  AMSシンポジウム
- Data Source
  KAKENHI-PROJECT-20K20918
[Presentation] Toward an exploration of extreme SEP events for the past 10,000 years2022
- Author(s)
  F. Miyake, M. Hakozaki, R. Hantemirov, H. Hayakawa, S. Helama, K. Horiuchi, A.J. T. Jull, K. Kimura, H. Maehara, H. Miyahara, T. Moriya, M. Oinonen, I. P. Panyushkina, K. Sasa, M. Takeyama, F. Tokanai
- Organizer
  The 5th ISEE Symposium: Toward the Future of Space-Earth Environmental Research
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20H05643
[Presentation] 過去1万年間の極端太陽高エネルギー粒子現象の調査2022
- Author(s)
  三宅芙沙、箱崎真隆、Rashit Hantemirov、早川尚志、Samuli Helama、堀内一穂、 A.J.Timothy Jull、木村勝彦、前原裕之、宮原ひろ子、森谷透、Markku Oinonen、Irina Panyushkina、笹公和、武山美麗、門叶冬樹
- Organizer
  AMSシンポジウム
- Data Source
  KAKENHI-PROJECT-20H05643
[Presentation] Historical observations of intensities and time series of the extreme space weather events in the 1940s2022
- Author(s)
  Hisashi Hayakawa et al.
- Organizer
  COSTEP's 15th Quadrennial Solar-Terrestrial Physics Symposium
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K22367
[Presentation] An overview of the historical space climate, as seen from the historical archives and classics2022
- Author(s)
  Hisashi Hayakawa
- Organizer
  European Geosciences Union: GIFT Workshop 2022
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21K13957
[Presentation] 歴史文献による過去3000年間の激甚太陽嵐の調査と定量復元」「キャリントン・イベント時のボンベイでの地磁気変動:原典史料分析2022
- Author(s)
  早川尚志
- Organizer
  知の開拓者コンソーシアム総会
- Data Source
  KAKENHI-PROJECT-20K22367
[Presentation] Toward an exploration of extreme SEP events for the past 10,000 years2022
- Author(s)
  F. Miyake, M. Hakozaki, R. Hantemirov, H. Hayakawa, S. Helama, K. Horiuchi, A.J. T. Jull, K. Kimura, H. Maehara, H. Miyahara, T. Moriya, M. Oinonen, I. P. Panyushkina, K. Sasa, M. Takeyama, F. Tokanai
- Organizer
  The 5th ISEE Symposium: Toward the Future of Space?Earth Environmental Research
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K20918
[Presentation] Preliminary Archival Analyses for the Solar-Terrestrial Superstorm in February 18722022
- Author(s)
  Hisashi Hayakawa
- Organizer
  Asia Oceania Geosciences Society 2022
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21K13957
[Presentation] アナログ記録による過去の激甚宇宙天気現象の事例研究：磁気擾乱とオーロラ低緯度境界2022
- Author(s)
  早川尚志
- Organizer
  GIC研究会
- Invited
- Data Source
  KAKENHI-PROJECT-20H05643
[Presentation] アナログ記録による過去の激甚宇宙天気現象の事例研究：磁気擾乱とオーロラ低緯度境界2022
- Author(s)
  早川尚志他
- Organizer
  GIC研究会
- Invited
- Data Source
  KAKENHI-PROJECT-20K22367
[Presentation] 市民科学で読み解く諏訪天文同好会の100年2022
- Author(s)
  大西浩次, 渡辺真由子, 陶山徹, 大西拓一郎, 早川尚志, 野澤聡, 衣笠健三, 長野県天文文化研究会, 「長野県は宇宙県」連絡協議会, 「長野県は宇宙県」関係者ほか
- Organizer
  日本天文学会2022年秋季年会, Y09a
- Data Source
  KAKENHI-PROJECT-22K02956
[Presentation] アナログ記録による過去の激甚宇宙天気現象の事例研究：磁気擾乱とオーロラ低緯度境界2022
- Author(s)
  早川尚志
- Organizer
  GIC研究会
- Invited
- Data Source
  KAKENHI-PROJECT-20K20918
[Presentation] オーストリアの修道院文献から復元するダルトン極小期の太陽活動2021
- Author(s)
  早川尚志、伊集朝哉、今田晋亮
- Organizer
  日本天文学会・秋学会
- Data Source
  KAKENHI-PROJECT-21K13957
[Presentation] Extreme space weather events in the observational history: the Carrington event and others2021
- Author(s)
  Hayakawa, H
- Organizer
  Asia Oceania Geosciences Society 2021
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20H05643
[Presentation] Extreme space weather events in the observational history: the Carrington event and others2021
- Author(s)
  Hayakawa, H
- Organizer
  Asia Oceania Geosciences Society 2021
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K20918
[Presentation] 過去の観測記録から復元する1940年3月の激甚宇宙天気現象2021
- Author(s)
  早川尚志他
- Organizer
  日本天文学会
- Data Source
  KAKENHI-PROJECT-20K22367
[Presentation] Extreme space weather events in the observational history: the Carrington event and others2021
- Author(s)
  Hisashi Hayakawa et al.
- Organizer
  Asia Oceania Geosciences Society 2021
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K22367
[Presentation] 過去1.8世紀の歴史的アナログ記録に基づく激甚磁気嵐の規模推定の事例研究2020
- Author(s)
  早川尚志
- Organizer
  地球電磁気・地球惑星圏学会第148回大会
- Invited
- Data Source
  KAKENHI-PROJECT-20H05643
[Presentation] 過去1.8世紀の歴史的アナログ記録に基づく激甚磁気嵐の規模推定の事例研究2020
- Author(s)
  早川尚志、海老原祐輔、服部健太郎
- Organizer
  第148回総会及び講演会
- Invited
- Data Source
  KAKENHI-PROJECT-20K22367

1. Miyake Fusa (90738569)

# of Collaborated Projects: 4 results

# of Collaborated Products: 13 results
2. 堀内一穂 (00344614)

# of Collaborated Projects: 4 results

# of Collaborated Products: 4 results
3. 箱崎真隆 (30634414)

# of Collaborated Projects: 4 results

# of Collaborated Products: 12 results
4. 笹公和 (20312796)

# of Collaborated Projects: 3 results

# of Collaborated Products: 2 results
5. 門叶冬樹 (80323161)

# of Collaborated Projects: 3 results

# of Collaborated Products: 2 results
6. 宮原ひろ子 (00532681)

# of Collaborated Projects: 2 results

# of Collaborated Products: 2 results
7. 前原裕之 (40456851)

# of Collaborated Projects: 2 results

# of Collaborated Products: 2 results
8. 木村勝彦 (70292448)

# of Collaborated Projects: 2 results

# of Collaborated Products: 2 results
9. 栗田直幸 (60371738)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
10. 大西浩次 (20290744)

# of Collaborated Projects: 1 results

# of Collaborated Products: 2 results
11. 大西拓一郎 (30213797)

# of Collaborated Projects: 1 results

# of Collaborated Products: 1 results
12. 野澤聡 (30599741)

# of Collaborated Projects: 1 results

# of Collaborated Products: 1 results
13. 川村賢二 (90431478)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
14. 大藪幾美 (20758396)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
15. 今田晋亮

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results
16. 村田光司

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results

Hayakawa Hisashi 早川 尚志

Research Projects

Research Products

Co-Researchers

Investigatin past extreme solar events using Antarctic ice cores

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Reconstructions of solar particle storms on the basis of historical analog recordsPrincipal Investigator

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Cultural Astronomy of "Astro-Nagano" Project from the viewpoint of Citizen Science

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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Principal Investigator

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Establishment of a method for detecting Schwabe cycles using cosmogenic nuclides

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A preliminary study for magnitude estimates and quantitative comparisons of the extreme space weather events based on the early modern analog observational recordsPrincipal Investigator

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多核種分析による完新世の極端太陽現象の頻度と規模解明

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Solar activity over the past 10,000 years

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[Journal Article] Preface to the special issue on “Old records for new knowledge”2024

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Data Source

[Journal Article] Revision of the strongest solar energetic particle event of 23 February 1956 (GLE #5) based on the rediscovered original records2024

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DOI

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[Journal Article] Reconstructing Sunspot Number by Forward-Modelling Open Solar Flux2024

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[Journal Article] Transient Offset in 14C After the Carrington Event Recorded by Polar Tree Rings2024

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DOI

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[Journal Article] Rudolf Wolf to Alfred Wolfer: The Transfer of the Reference Observer in the International Sunspot Number Series (1876-1893)2024

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DOI

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[Journal Article] Magnitude Estimates for the Carrington Flare in 1859 September: As Seen from the Original Records2023

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Hayakawa Hisashi 早川尚志