XAO PPMXLivo://xaovo/ppmxl/q/coneXinjiang Astronomical Observatory,CASRöser, S.; Demleitner, M.; Schilbach, E.2025-09-24T10:25:50Z2011-06-08Zhang Hailong

150 Science 1-Street, Urumqi, Xinjiang 830011, China

zhanghailong@xao.ac.cn+86 18699134012Reference systemsAstrometryCatalogsStars: Proper Motions PPMXL is a catalog of positions, proper motions, 2MASS- and optical photometry of 900 million stars and galaxies, aiming to be complete down to about V=20 full-sky. It is the result of a re-reduction of USNO-B1 together with 2MASS to the ICRS as represented by PPMX.2010AJ....139.2440Rhttps://data.xao.ac.cn/ppmxl/q/cone/infoIsServedByXAO Data Center TAP servicehttps://data.xao.ac.cn/ppmxl/q/cone/scs.xml?http://data.xao.ac.cn/ppmxl/q/cone/scs.xml?GETapplication/x-votable+xmlRARight Ascension (ICRS decimal)degpos.eq.rarealDECDeclination (ICRS decimal)degpos.eq.decrealSRSearch radiusdegrealipixIdentifier (Q3C ipix of the USNO-B 1.0 object)meta.id;meta.mainintegerresponseformatFile format requested for output.meta.code.mimecharmaxrecMaximum number of records returned. Pass 0 to retrieve service parameters.integerverbExhaustiveness of column selection. VERB=1 only returns the most important columns, VERB=2 selects the columns deemed useful to the average user, VERB=3 returns a table with all available columns.integer180100000true10100.01https://data.xao.ac.cn/ppmxl/q/cone/capabilitieshttp://data.xao.ac.cn/ppmxl/q/cone/capabilitieshttps://data.xao.ac.cn/ppmxl/q/cone/availabilityhttp://data.xao.ac.cn/ppmxl/q/cone/availabilityhttps://data.xao.ac.cn/ppmxl/q/cone/tableMetadatahttp://data.xao.ac.cn/ppmxl/q/cone/tableMetadatahttps://data.xao.ac.cn/taphttp://data.xao.ac.cn/tapppmxl PPMXL is a catalog of positions, proper motions, 2MASS- and optical photometry of 900 million stars and galaxies, aiming to be complete down to about V=20 full-sky. It is the result of a re-reduction of USNO-B1 together with 2MASS to the ICRS as represented by PPMX.output PPMXL is a catalog of positions, proper motions, 2MASS- and optical photometry of 900 million stars and galaxies, aiming to be complete down to about V=20 full-sky. It is the result of a re-reduction of USNO-B1 together with 2MASS to the ICRS as represented by PPMX.ipixIdentifier (Q3C ipix of the USNO-B 1.0 object)meta.id;meta.mainlongraj2000Right Ascension J2000.0, epoch 2000.0degpos.eq.ra;meta.maindoublenullabledej2000Declination J2000.0, epoch 2000.0degpos.eq.dec;meta.maindoublenullablepmraProper Motion in RA*cos(delta)deg/yrpos.pm;pos.eq.rafloatnullablepmdeProper Motion in Decdeg/yrpos.pm;pos.eq.decfloatnullablee_raepraMean error in RA*cos(delta) at mean epochdegstat.error;pos.eq.ra;meta.mainfloatnullablee_deepdeMean error in Dec at mean epochdegstat.error;pos.eq.dec;meta.mainfloatnullablee_pmraMean error in pmRA*cos(delta)deg/yrstat.error;pos.pm;pos.eq.rafloatnullablee_pmdeMean error in pmDEdeg/yrstat.error;pos.pm;pos.eq.decfloatnullablejmagJ selected default magnitude from 2MASSmagphot.mag;em.IR.JfloatnullablehmagH selected default magnitude from 2MASSmagphot.mag;em.IR.HfloatnullablekmagK_s selected default magnitude from 2MASSmagphot.mag;em.IR.Kfloatnullableb1magB mag from USNO-B, first epochphot.mag;em.opt.Bfloatnullableb2magB mag from USNO-B, second epochphot.mag;em.opt.BfloatnullableimagI mag from USNO-Bphot.mag;em.opt.Ifloatnullabler1magR mag from USNO-B, first epochphot.mag;em.opt.Rfloatnullabler2magR mag from USNO-B, second epochphot.mag;em.opt.Rfloatnullable