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 390
30 3« p^ 6566. 25 Canum Ven. 2 1768. A binary of long anduncertain period, although the motion since the measures ofStruve amounts to more than 300° in position-angle. A greatvariety of ellipses will equally well represent even the bestmeasures, as will be seen from the selected positions given.It… … SCALE Z1768 Some of the positions are: I83I.5I 76 0 iro7 10« 2 1841.17 72.6 1.01 4« OS 1843.35 70.2 i.02 2n Da 1846.80 67.8 0.72 3« 02 1849.77 65.6 0.65 3« OS 1851.28 56-5 0-39 4« Ma 1854.43 36.2 o.35± 3» Da 1854.78 46.2 o.35± 2K Ma 1858.65 26.7 0.2± in Ma 1859-72 Single OS 1875.36 Round HI 1876.45…
Stars · Double stars
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