apfs_catqueryivo://org.gavo.dc/apfs/res/apfs_new/catqueryThe GAVO DC teamGAVO Data Centrehttp://vo.ari.uni-heidelberg.de/docs/GavoTiny.png2011-07-122023-08-022025-04-15GAVO Data Centre Team

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gavo@ari.uni-heidelberg.de+49 6221 54 1837astrometryephemeridesastronomical-coordinate-systems The Apparent Places of Fundamental Stars (APFS) give exact geocentric positions for a selected set of FK6 stars.Apparent Places of Fundamental Stars, Karlsruhe: G. Braun, ISSN 0174-254 Xhttps://dc.g-vo.org/apfs/res/apfs_new/catquery/infoIsSupplementedBy Computation of GAST, GMST, and ERA APFS on Gaia DR2 APFS on Hipparcoshttp://dc.g-vo.org/apfshttps://dc.g-vo.org/apfshttp://dc.g-vo.org/apfs/res/apfs_new/catquery/capabilitieshttps://dc.g-vo.org/apfs/res/apfs_new/catquery/capabilitieshttp://dc.g-vo.org/apfs/res/apfs_new/catquery/availabilityhttps://dc.g-vo.org/apfs/res/apfs_new/catquery/availabilityhttp://dc.g-vo.org/apfs/res/apfs_new/catquery/tableMetadatahttps://dc.g-vo.org/apfs/res/apfs_new/catquery/tableMetadataOpticalapfs The Apparent Places of Fundamental Stars (APFS) give exact geocentric positions for a selected set of FK6 stars.output The Apparent Places of Fundamental Stars (APFS) give exact geocentric positions for a selected set of FK6 stars.isodateDate of epoch (TT)time.epochcharnullablearg_hourHour of epoch (TT)htimeintracioRight ascension of object at epoch in the CIO systemdegpos.eq.radoublenullableraequRight ascension of object at epoch in the old equinox systemdegpos.eq.radoublenullabledecDeclination of object at epochdegpos.eq.decdoublenullable