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- W2355857556 abstract "Schmidt sky surveys,GSC and USNO Catalogues which are derived from the Schmidt sky surveys are reviewed.Systemic errors of these two catalogues both in positions and proper motions are found.The problems in these kinds of catalogues are analyzed.At the same time, a proposal for compiling a new Schmidt sky survey catalogue is also presented:Implementing a new all sky CCD survey to get the recent third epoch data.Combining the existing Schmidt sky survey data and the new data to get an all sky catalogue,this contains high precision positions, absolute proper motions,multi-band photometries,classifications and a uniform system.The positional accuracy and proper motion errors of the new catalog will be better than 0.1 arcsec and 3 mas/a accordingly." @default.
- W2355857556 created "2016-06-24" @default.
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- W2355857556 date "2008-01-01" @default.
- W2355857556 modified "2023-09-25" @default.
- W2355857556 title "Schmidt Sky Survey Catalog:Current Status and Perspectives" @default.
- W2355857556 hasPublicationYear "2008" @default.
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