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 392
-Physics, June1892). This represents the observations as well as could bedesired, but evidently the arc at that time was too short forany very accurate determination. It is probable that with themeasures of the next three or four years, the data will be 634 Notes to the Catalogue 13* sufficient to… … 1 . 1 ■ . 1 0.l , 1^ o.s , f SCALE y3 612 1878.33 S6?i 023 3« /S 1878.96 60.5 0.24 4« HI 1884.02 52.4 0.28 5« En 1886.44 196.6 \n HS 1889.46 166.8 o.3± 3« Sp 1890.39 179.7 o.3± 2« Sp 1891.28 191.1 0.28 3» /3 I89I.44 191.1 0.32 3« HI 1891.49 186.1 0.2± i« Sp 1892.14 198.7 0.31 3« /3 1892.37 196.9…
Stars · Double stars
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