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 474
.VSi....\ a4 16^ 1892.40 35?8 33-40 2n ^ 1898.30 35.5 33-59 2« P 1898.41 36.7 33-38 3« A 1901.43 37-3 33.66 2« Doo 1904.38 36.0 33.33 3« P ...?(3i42)( Pub. L. 0. IIKP ^b. y.o.i). .A (358s) ..Doolittle (/■««. [^(X)...pi Flower Obsy. II)... 3 6... ] 7649. >- Ophiuchi. 2 2055. (= i^ I. 83.) Binary… … tl J I 1 1- SCALE A. Ophiuohi. 21 2055 doubtful to be used in any investigation. The total arc de-scribed since the beginning of the Dorpat measures is only90°, and the problem of finding the period is as indeterminatenow as it was when the first orbit was computed more than fiftyyears ago. The…
Stars · Double stars
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