The USNO-B Catalog
Top Cited Papers
- 1 February 2003
- journal article
- research article
- Published by American Astronomical Society in The Astronomical Journal
- Vol. 125 (2) , 984-993
- https://doi.org/10.1086/345888
Abstract
USNO-B is an all-sky catalog that presents positions, proper motions, magnitudes in various optical passbands, and star/galaxy estimators for 1,042,618,261 objects derived from 3,643,201,733 separate observations. The data were obtained from scans of 7435 Schmidt plates taken for the various sky surveys during the last 50 years. USNO-B1.0 is believed to provide all-sky coverage, completeness down to V = 21, 02 astrometric accuracy at J2000, 0.3 mag photometric accuracy in up to five colors, and 85% accuracy for distinguishing stars from nonstellar objects. A brief discussion of various issues is given here, but the actual data are available from the US Naval Observatory Web site and others.Keywords
All Related Versions
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