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 255
od of 39.98 years for the hypo-thetical star, based upon the meridian observations. In March,1873, OS detected what he supposed to be a faint companion 497 Burnham: General Catalogue of Double Stars within a few degrees in position-angle of where it should havebeen at that time in accordance with… … ■ - I ■ ■ SCALE Prooyon.AB (1874), when it was confirmed and measured by at least oneother observer {Mon. Not. XXXIII, 430; XXXIV, 335). Itwas carefully looked for on several nights in 1874 by theWashington observers with the 26-inch refractor, but wasalways invisible in that instrument under the…
Stars · Double stars
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