Measures of the companions to Sirius
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S. W. Burnham
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Article
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1878
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John Wiley and Sons
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English
โ 90 KB
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During the preseiit season I have made the following Angle Distance Date micrometrical measures of Clark's companion to Sirius 1 A slid D 158'9 104.24 7.873 the 18.6-inch refractor of the Dearborn Observatory. 1 ~~~~~~~ in the llcare,t no artificial Angle Distance Date , illuniinatioii x-as usell. I