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 298
Theseare all the later measures: 1892.05 I25?l 2-45 3« /3 1886.31 124.1 2.72 2K HS 1899.09 129.4 2-« 2« ;8 10 46 [^(X).,,pi...pC3i4i)(^»*. i. o.n)(.p,<«. Y. o.i),..H2(xn),..] 5005. S 3I2I. This binary has made more than tworevolutions since the first measures of Struve in 1833. Thefollowing… … 0^ o,2 Jl SCALE S3121 The system has a proper motion of 0*507 in 172^4 (Porter).Selected epochs from 1832 to 1904 are shown on the diagram.Some of the recent measures are: 1891.23 345-0 0^29 3« ^ 1897.32 13.9 0.76 3» A 1903.25 25-5 0-75 3« Biesbroeck 1904.31 26.1 0-53 i« A [Ma (F. 5.1) ... 02 (IX)…
Stars · Double stars
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