ICRS Corrections by USNO-B1 Plateusnob.platecorrsivo://org.gavo.dc/usnob/res/usnob/platecorrsThe GAVO DC teamGAVO Data Centerhttp://vo.ari.uni-heidelberg.de/docs/GavoTiny.png2008-01-25T00:00:00ZGAVO Data Center TeamMönchhofstrasse 12-14, D-69120 Heidelberggavo@ari.uni-heidelberg.de++49 6221 54 1837starssurveysproper-motionsPlate corrections to USNO-B 1.0 based on a crossmatch with PPMXhttp://dc.zah.uni-heidelberg.de/tableinfo/usnob.platecorrsIsServedByGAVO Data Center TAP servicehttp://dc.zah.uni-heidelberg.de/taphttps://dc.zah.uni-heidelberg.de/tap0/1-112.257e-19 5.369e-19OpticalusnobThe USNO-B 1.0 CatalogThe USNO-B catalog is an all-sky catalog of about 1e9 objects
including their proper motions, based on scans of several sky surveys
conducted between 1950 and the late 1990ies.
usnob.platecorrsICRS Corrections by USNO-B1 PlatePlate corrections to USNO-B 1.0 based on a crossmatch with PPMX7194surveySurvey identifier, see long docsmeta.idcharfieldField number in surveymeta.id;obs.fieldshortdaMean offset in alphadegpos.eq.ra;arith.difffloatnullableddMean offset in deltadegpos.eq.dec;arith.difffloatnullablentotalNumber of objects in estimatemeta.numberint