2013 Fiscal Year Final Research Report
Ancient Astronomy in East Asia and India (Until AD 1000)
| Project/Area Number |
23540276
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| Research Category |
Grant-in-Aid for Scientific Research (C)
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| Allocation Type | Multi-year Fund |
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| Section | 一般 |
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| Research Field |
Astronomy
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| Research Institution | National Astronomical Observatory of Japan |
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Principal Investigator |
SOMA Mitsuru 国立天文台, 光赤外研究部, 助教 (30187885)
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| Co-Investigator(Kenkyū-buntansha) |
UEDA Akitoshi 国立天文台, 重力波プロジェクト推進室, 助教 (30332159)
TANIKAWA Kiyotaka 国立天文台, 客員部門, 特別客員研究員 (80125210)
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| Project Period (FY) |
2011 – 2013
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| Keywords | 地球自転変動 / 日月食・星食 / 位置天文学 / 歴史天文学 / アジア天文史 |
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| Research Abstract |
Ancient astronomical records of eclipses and occultations were investigated and parameter values of the Earth's rotation and lunar tidal acceleration were obtained until AD 1000 using them. Problems in the calculations of the Senmyo-reki (Xuanming-li in Chinese) were clarified. In order to calculate predictions of eclipses and occultations precisely computer programs for lunar limb profiles were completed using the precise lunar topographic data obtained by the Japanese lunar orbiter Kaguya and NASA's lunar orbiter LRO and they were used for actual predictions of eclipses and occultations.
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[Presentation] 世界の日食頻度2014
Author(s)
上田暁俊, 相馬充, 谷川清隆
Organizer
第4回「歴史的記録と現代科学」研究会
Place of Presentation
国立天文台
Year and Date
20140228-0301
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