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 396
and it willprobably require the measures of a considerable part of thepresent century to reach a result which will be substantiallycorrect. So far two orbits have been computed, each, of course. representing the measures employed with all desirableexactness, although reaching entirely different… … [Ma(/-. 5.1)...Ma(XI,Xm,XV)...HI...H2...H(V)...Wr. ..Se...Hd,..Ra(XXm, XXXI)...En (1518, 1674, 2663)... Du,.. PI. ..02 (IX, X) ,.. zl (iiSs1474,1572. 1735, 1798, 1886, 1979,2079, 2193)... J (I, II)...Flin. ..Sp(2i33)...Sp (II.nApp)...Per...Per (2748)...Do (2198, 2316, 393o)(7raKi. J?./.-4^arf.XXIX,…
Stars · Double stars
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