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 616
llprobably be necessary to observe it for another century to getthe necessary data for determining the apparent and realorbits. Many of the measures have large obvious errors inboth angle and distance, and should be rejected in any futureinvestigation of the orbit. Seventeen positions (1830 to… … 0.0 0:5 I 1:0 z!o i.s SCALE 8 Cygni. Z 2579. 41 3 9604. P 828. Discovered with the 15 >^-inch at the Wash-burn Observatory. Without change. 1887.92 5?6 3fo2 4« Com 1891.73 9.0 2.74 3« p 1899.42 9.4 2.57 2« P 1901.54 7.9 2.66 3« Doo [)3 (XII).. .132,. ./3 (,-iXi^)(,Pub. L. a. H) {Pub.{.Pub.…
Stars · Double stars
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