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Paper: Results and Prospects for Distance Measurement by Means of Binary Stars
Volume: 336, COSMIC ABUNDANCES as Records of Stellar Evolution and Nucleosynthesis in honor of David L. Lambert
Page: 199
Authors: Tomkin, J.
Abstract: Distances to binary stars determined by the orbital parallax method and taken from the literature are compared with the Hipparcos distances to the same stars. For distances of less than ~ 100 pc the agreement between the orbital parallax and Hipparcos distances is generally excellent. But a discussion of the distance to the Pleiades (d = 135 pc) shows that at distances greater than ~ 100 pc the Hipparcos distances are less accurate than claimed. It is found that the presently available orbital parallax-based distances span the range 10 ≤ d ≤ 300 pc and have a typical accuracy of ±2%. Prospects for improvement both in the number of distances measured by orbital parallax and their accuracy are good.
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