| Long-lasting extreme magnetic storm activities in 1770 found in historical documents H Hayakawa, K Iwahashi, Y Ebihara, H Tamazawa, K Shibata, DJ Knipp, ... The Astrophysical Journal Letters 850 (2), L31, 2017 | 72 | 2017 |
| East Asian observations of low-latitude aurora during the Carrington magnetic storm H Hayakawa, K Iwahashi, H Tamazawa, H Isobe, R Kataoka, Y Ebihara, ... Publications of the Astronomical Society of Japan 68 (6), 2016 | 59 | 2016 |
| Records of sunspot and aurora during CE 960–1279 in the Chinese chronicle of the Sòng dynasty H Hayakawa, H Tamazawa, AD Kawamura, H Isobe Earth, Planets and Space 67, 1-14, 2015 | 51 | 2015 |
| The earliest drawings of datable auroras and a two-tail comet from the Syriac Chronicle of Zūqnīn H Hayakawa, Y Mistuma, Y Fujiwara, AD Kawamura, R Kataoka, ... Publications of the Astronomical Society of Japan 69 (2), 2017 | 49 | 2017 |
| Possible cause of extremely bright aurora witnessed in East Asia on 17 September 1770 Y Ebihara, H Hayakawa, K Iwahashi, H Tamazawa, AD Kawamura, ... Space Weather 15 (10), 1373-1382, 2017 | 47 | 2017 |
| Records of Sunspots and Aurora Candidates in the Chinese Official Histories of the Yu\'an and M\'ing Dynasties during 1261-1644 H Hayakawa, H Tamazawa, Y Ebihara, H Miyahara, AD Kawamura, ... Publications of the Astronomical Society of Japan 69 (4), 2017 | 43 | 2017 |
| Historical auroras in the 990s: evidence of great magnetic storms H Hayakawa, H Tamazawa, Y Uchiyama, Y Ebihara, H Miyahara, ... Solar Physics 292, 1-14, 2017 | 40 | 2017 |
| A great space weather event in February 1730 H Hayakawa, Y Ebihara, JM Vaquero, K Hattori, VMS Carrasco, ... Astronomy & Astrophysics 616, A177, 2018 | 34 | 2018 |
| Earliest datable records of aurora-like phenomena in the astronomical diaries from Babylonia H Hayakawa, Y Mitsuma, Y Ebihara, AD Kawamura, H Miyahara, ... Earth, Planets and Space 68, 1-9, 2016 | 33 | 2016 |
| Aurora candidates from the chronicle of Qíng dynasty in several degrees of relevance AD Kawamura, H Hayakawa, H Tamazawa, H Miyahara, H Isobe Publications of the Astronomical Society of Japan 68 (5), 79, 2016 | 27* | 2016 |
| Historical space weather monitoring of prolonged aurora activities in Japan and in China R Kataoka, H Isobe, H Hayakawa, H Tamazawa, AD Kawamura, ... Space Weather 15 (2), 392-402, 2017 | 25 | 2017 |
| Records of sunspot and aurora activity during 581–959 CE in Chinese official histories concerning the periods of Suí, Táng, and the Five Dynasties and Ten … H Tamazawa, AD Kawamura, H Hayakawa, A Tsukamoto, H Isobe, ... Publications of the Astronomical Society of Japan 69 (2), 22, 2017 | 23 | 2017 |
| Iwahashi Zenbei’s sunspot drawings in 1793 in Japan H Hayakawa, K Iwahashi, H Tamazawa, S Toriumi, K Shibata Solar Physics 293, 1-13, 2018 | 22 | 2018 |
| Unusual rainbow and white rainbow: A new auroral candidate in oriental historical sources H Hayakawa, H Isobe, A Davis Kawamura, H Tamazawa, H Miyahara, ... Publications of the Astronomical Society of Japan 68 (3), 33, 2016 | 20 | 2016 |
| Records of auroral candidates and sunspots in Rikkokushi, chronicles of ancient Japan from early 7th century to 887 H Hayakawa, K Iwahashi, H Tamazawa, Y Ebihara, AD Kawamura, ... Publications of the Astronomical Society of Japan 69 (6), 86, 2017 | 18 | 2017 |
| Sunspot drawings by Japanese official astronomers in 1749–1750 H Hayakawa, K Iwahashi, M Fujiyama, T Kawai, S Toriumi, H Hotta, ... Publications of the Astronomical Society of Japan 70 (4), 63, 2018 | 14 | 2018 |
| Intense geomagnetic storm during Maunder minimum possibly by a quiescent filament eruption H Isobe, Y Ebihara, AD Kawamura, H Tamazawa, H Hayakawa The Astrophysical Journal 887 (1), 7, 2019 | 11 | 2019 |
| Astronomy and Intellectual Networks in the late 18th Century in Japan: A Case Study of Fushimi in Yamashiro H Tamazawa, H Hayakawa, K Iwahashi Historia Scientiarum 26 (3), 172-191, 2017 | 9 | 2017 |
| Survey of public attitudes toward astronomy in Japan N Takanashi, M Hiramatsu, S Kawagoe, N Kusakabe, K Sawada, ... Publications of the Astronomical Society of Japan 76 (1), 108-117, 2024 | | 2024 |
| Observation of Klinkerfues comet in Japan on 1853-Evaluation of the technical arts of astronomical observations at Tsuchimikado (Kyoto) and Hazama (Osaka)- H Tamazawa, K Iwahashi, R Kitai Stars and Galaxies 6, 9, 2023 | | 2023 |
