Astrometric Catalogs: - PowerPoint PPT Presentation

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Astrometric Catalogs:

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Pos = 100 mas; P.M = 2 mas/yr. Transit circle data long ... Guide Star Catalog 1.2. Number of stars: 19 million. Mag. Range 6 to 15th. Accuracies 500 mas? ... – PowerPoint PPT presentation

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