Catalogue of double stars from observations made at the Royal Observatory, Greenwich, with the 28-inch refractor during the years 1893-1919 (1921)
Royal Observatory, Greenwich, Dyson, Frank Watson, 1868-1939 · London, H. M. Stationery Off. · leaf 239
218 Orbits of 25 Double Stars. S 2052. 7642. B.D. 18°, 3182. P.M. "-508 in 32o°-i (Porter). R.A. i6^ 25m 36s. Mags. 7-5, 7-5. Par. Abs. Trig. "-088 (Yale). Spec. "-058. Dec. +18° 34'. Spec. G5. Ttis is a binary wMcli tas recently shown rapid orbital motion. Tbe observations of distance show that… … computed. For this orbit reliance has been placed in the excellent series of observations made by. Mr Van Biesbroeck of the Yerkes Observatory and kindly supplied in manuscript. No attempt was made to fit the observations exactly, as it should be possible to improve the orbit after a few more…
Double stars
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