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 500
The ellipse shown on the diagram gives a period of about39 years. 742 Notes to the Catalogue 17 The following are all the measures of the close pair:A and B 1876.52* 240° ± irsi i» /3 1877.53* 222.6 1.80 \n Cin 1877.64* 224.4 1.97 in Russell 1888.72* 147-5 1.89 l« P 1889.43* 134-I 1-35 3« |3… … 270- 0.0 1^0 2:0 I I ■ ■ I I I ■ I ■ ■ ■ I ■ I SCALE /3 416 1895.60* 321-7 o9i in Com 1895.62* 322.2 1-43 3« Sellors 1895-74* 321-4 0.99 m See 1896.44* 314-8 1.45 3» A 1896.46* 315-4 1.61 3» Scott 1896.59* 315-8 1.87 4» Sellors L1896.60* 314-9 1.26 l» Com 1897.38 307.0 1.69 in See 1897.46* 309.1…
Stars · Double stars
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