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A general catalogue of ephemerides and apparent orbits for visual binaries

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Informations on 736 pairs of visual binaries are given in the form of the Tables. The General Catalogue gives ephemerides (t,θ°,ρ″) in 20 years (1984–2003) for each pair with the figures of its apparent elliptical orbit where the positions of secondary component relative to the primary one at different epochs are indicated.The General Catalogue contains four parts: Part one — Source and Grading of Orbit; Part two — Ephemérides and Atlas of Apparent Orbits; Part three — Classifications of Visual Binary Stars; Part four — Indexes of Visual Binary Stars. The principle of calculation and the statistical data are presented in this paper. There are seven statistical tables, giving the elements distribution of true and apparent orbits, grading distribution of orbits, number distribution with different physical property of component of binary star. The number of binary stars in anyone constellation, the number of binary stars brighter than 6m.5. The number of binary stars nearer than 25 parsec.

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Lin-Shan, Y. A general catalogue of ephemerides and apparent orbits for visual binaries. Astrophys Space Sci 142, 39–46 (1988).

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  • Position Angle
  • Orbital Element
  • Binary Star
  • Secondary Component
  • General Catalogue