韩显符及其天文仪器研究

A STUDY ON HAN XIANFU AND HIS ASTRONOMICAL INSTRUMENTS

对北宋天文学家韩显符 (94 0～ 10 13)及其制造的天文仪器进行了研究 .韩显符首先制造了至道浑仪 ,他大胆简化 ,取消了白道环 ;在地平圈上首次设置“地盘平准轮” ,加强了仪器工作部分的水平调节 ;在“游规”中设计“二直矩”以夹窥管 ,使其运转平稳 ;他明确提到定天极高度的问题 ,为后世定天极的理论和方法的产生做了铺垫 .他的第二件天文仪器在授业与观测天象方面的功用 ,证明韩显符的天文学成就是多方面的 .另外 。

Han Xianfu was an astronomer in the Northern Song Dynasty.His biography and his Zhi Dao Armillary Sphere were stuied in the detail in the paper.He was born in 904 A.D. and lived to be 74 years old.He boldly simplified and removed the circle of Moons path in Zhi Dao Armillary Sphere.Inslalled Di Pan Ping Zhun Lun in the horizontal circle for the first time and made the working part more adjustable in level.In order to move smoothly,he designed 2 Zhi Ju in You Gui.Besides,the effect of his Zhi Dao Armillary Sphere is initially approched in this paper.The author also discusses the relation of Hanwork with Yang Weides astronmical research and concluds that Yang observed all bodies with Zhi Dao Armillary Sphere and listed the star catalogue named Yang Weide Xing Biao.It was second existing catalogue in China after Shi Shi Xing Biao.It is the first study of all aspects of Han and his work in the academic circle of the astronomical history.