Records of sunspots and aurora candidates in the Chinese official histories of the <i>Yuán</i> and <i>Míng</i> dynasties during 1261–1644
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- Hisashi Hayakawa
- 1Graduate School of Letters, Osaka University, 1-5 Machikaneyama-cho, Toyonaka, Osaka 560-0043, Japan
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- Harufumi Tamazawa
- 4Kwasan Observatory, Kyoto University, 17 Ohmine-cho Kita Kazan, Yamashina, Kyoto, Kyoto 607-8471, Japan
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- Yusuke Ebihara
- 5Unit of Synergetic Studies for Space, Kyoto University, Kitashirakawa-oiwake-cho, Sakyo-ku, Kyoto, Kyoto 606-8502, Japan
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- Hiroko Miyahara
- 7Musashino Art University, 1-736 Ogawa-cho, Kodaira, Tokyo 187-8505, Japan
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- Akito Davis Kawamura
- 4Kwasan Observatory, Kyoto University, 17 Ohmine-cho Kita Kazan, Yamashina, Kyoto, Kyoto 607-8471, Japan
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- Tadanobu Aoyama
- 3Graduate School of Letters, Kyoto University, Yoshida Honmachi, Sakyo-ku, Kyoto, Kyoto 606-8501, Japan
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- Hiroaki Isobe
- 5Unit of Synergetic Studies for Space, Kyoto University, Kitashirakawa-oiwake-cho, Sakyo-ku, Kyoto, Kyoto 606-8502, Japan
抄録
<jats:title>Abstract</jats:title> <jats:p>Records of observations of sunspots and auroras in pre-telescopic historical documents provide useful information about past solar activity both in long-term trends and short-term space weather events. In this study, we present the results of a comprehensive survey of the records of sunspots and aurora candidates in the Yuánshĭ and Míngshĭ, Chinese Official Histories spanning 1261–1368 and 1368–1644, based on continuous observations with well-formatted reportds conducted by contemporary professional astronomers. We then provide a brief comparison of these data with Total Solar Irradiance (TSI) as an indicator of the solar activity during the corresponding periods to show significant active phases between the 1350s–80s and 1610s–30s. We then compared the former with contemporary Russian reports concerning naked-eye sunspots and the latter with contemporary sunspot drawings based on Western telescopic observations. Especially some of the latter are consistent with nitrate signals preserved in ice cores. These results show us some insights on and beyond minima and maxima of solar activity during the 13th–17th centuries.</jats:p>
収録刊行物
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- Publications of the Astronomical Society of Japan
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Publications of the Astronomical Society of Japan 69 (4), 65-, 2017-07-22
Oxford University Press (OUP)
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詳細情報 詳細情報について
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- CRID
- 1360002217650899328
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- ISSN
- 2053051X
- 00046264
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- データソース種別
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- Crossref
- KAKEN