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Large Photographic Catalogues
Published online by Cambridge University Press: 07 August 2017
Abstract
Large photographic catalogues still have their importance in modern astrometry. Old catalogues are used to derive good-quality proper motions. Present-day catalogues may be used to extend the Hipparcos and Tycho systems to fainter magnitudes.
- Type
- 1. Current Advances in Astrometry
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- Copyright © Kluwer 1995