Smithsonian Astrophysical Observatory Star Catalog | Wikipedia audio article | Wikipedia audio a ...
Channel: wikipedia tts
Date: 2018-11-18

This is an audio version of the Wikipedia Article:
Smithsonian Astrophysical Observatory Star Catalog | Wikipedia audio article

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SUMMARY
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The Smithsonian Astrophysical Observatory Star Catalog is an astrometric star catalogue.  It was published by the Smithsonian Astrophysical Observatory in 1966 and contains 258,997 stars.  The catalogue was
compiled from various previous astrometric catalogues, and contains only stars to about ninth magnitude for 
which accurate proper motions were known. Names in the SAO catalogue start with the letters SAO, followed by a number. The numbers are assigned following 18 ten-degree bands of declination, with stars sorted by right ascension within each band.