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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 547
2.813-594.314.10 3-69 [Ho (2778, 3558). ..Lewis (,Mon. Not. LVI, 359; LIX, 418; LXn, 39s; LXIII,4i2)...^6...] 8548. S 2315. Herculis 452. A decided change in therelation of the components, and perhaps a physical system,but so far the motion is practically rectilinear. The measuresin distance are… … #-90° SCALE X2315 1830.74 28l?I 0?S9 4« S 1841.12 271.4 0.68 4» OS 1863.73 257.6 0.S3 3« OS 1876.59 246. s o.4± 9K Sp 1878.4s 251.7 0.31 i« /3 1881.46 241.u 0.30 2« ^ 1882.89 236.5 o.35± I0« Sp 1886.63 227.7 0.30 4« HI 1887.13 227.4 0.28± 9« Sp 1889.5s 225.4 o.4± 5« HS 1892.39 220.5 0.28 3« /3…Stars · Double stars
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