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A general catalogue of double stars within 121⁰ of the north pole (1906)

Burnham, S. W. (Sherburne Wesley), 1838-1921 · [Washington] Carnegie Institute of Washington · leaf 802

An illustration from A general catalogue of double stars within 121⁰ of the north pole, 1906, leaf 802
h thefirst quadrant, which seems probable with the large refractors,the errors in the elements of the orbit will be much reduced.So far the investigations can only give provisional results. The system has a very large proper motion, and its valueis known with extreme accuracy from micrometrical… … 0.0 0.4 I 0.6 0.8 I 1.0 _J 85 Pegasi. AB. Gore I -221 in 141V2 0. Struve I.289 in 139-2 Burnham I-286 in I39-S Auwers 1.288 in 139-7 Porter 1.287 in 138-9 Four orbits have been computed of this pair. The datesof the last measures made use of, and the periods are: 1888 Schaeberle 22.3 yrs. A.J. 185…

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