The PPM-Extended (PPMX) catalogue of positions and proper motionsppmx.dataivo://org.gavo.dc/ppmx/res/ppmx/dataThe GAVO DC teamRöser, S.Schilbach, E.Schwan, H.Kharchenko, N.V.Piskunov, A.Scholz, R.2007-07-13T00:00:00Z2011-02-082011-06-06GAVO Data Center TeamMönchhofstrasse 12-14, D-69120 Heidelberggavo@ari.uni-heidelberg.de++49 6221 54 1837starssurveysastrometryproper-motionsPPM-Extended (PPMX) is a catalogue of 18 088 919 stars on the ICRS
system containing astrometric and photometric information. Its
limiting magnitude is about 15.2 in the GSC photometric system.https://dc.zah.uni-heidelberg.de/tableinfo/ppmx.data0/0-11OpticalppmxThe PPM-Extended (PPMX) catalogue of positions and proper motionsPPM-Extended (PPMX) is a catalogue of 18 088 919 stars on the ICRS
system containing astrometric and photometric information. Its
limiting magnitude is about 15.2 in the GSC photometric system.
ppmx.dataPPM-Extended (PPMX) is a catalogue of 18 088 919 stars on the ICRS
system containing astrometric and photometric information. Its
limiting magnitude is about 15.2 in the GSC photometric system.19000000alphafloatMain value of right ascensiondegpos.eq.ra;meta.maindoubleindexednullabledeltafloatMain value of declinationdegpos.eq.dec;meta.maindoubleindexednullablec_xx coordinate of intersection of radius vector and unit spherepos.cartesian.xfloatnullablec_yy coordinate of intersection of radius vector and unit spherepos.cartesian.yfloatnullablec_zz coordinate of intersection of radius vector and unit spherepos.cartesian.zfloatnullablelocalidName (IAU convention HHMMSS.s+DDMMSS), p or f appended to desambiguatemeta.id;meta.maincharindexedprimarypmraProper Motion in RA*cos(delta)arcsec/yrpos.pm;pos.eq.rafloatnullablepmdeProper Motion in Decarcsec/yrpos.pm;pos.eq.decfloatnullableraerrMean error in RA*cos(DEmas) at epRAmasstat.error;pos.eq.rafloatnullabledecerrMean error in DE at epDEmasstat.error;pos.eq.decfloatnullablepmraerrMean error in pmRA*cos(DEmas)arcsec/yrstat.error;pos.pm;pos.eq.rafloatnullablepmdeerrMean error in pmDEarcsec/yrstat.error;pos.pm;pos.eq.rafloatnullableepraMean Epoch (RA)yrtime.epoch;pos.eq.racharnullableepdeMean Epoch (Dec)yrtime.epoch;pos.eq.deccharnullablecmagCatalogue magnitude from sourcemagphot.magfloatindexednullablermagcalculated Ru magnitude from sourcemagphot.mag;em.opt.RfloatnullablebmagB magnitude in Johnson systemmagphot.mag;em.opt.Bfloatnullablee_bmagStandard error on B magnitudemagstat.error;phot.mag;em.opt.BfloatnullablevmagV magnitude in Johnson systemmagphot.mag;em.opt.Vfloatindexednullablee_vmagStandard error on V magnitudemagstat.error;phot.mag;em.opt.VfloatnullablejmagJ magnitude in Johnson systemmagphot.mag;em.IR.Jfloatnullablee_jmagStandard error on J magnitudemagstat.error;phot.mag;em.IR.JfloatnullablehmagH magnitude in Johnson systemmagphot.mag;em.IR.Hfloatnullablee_hmagStandard error on H magnitudemagstat.error;phot.mag;em.IR.HfloatnullablekmagK magnitude in Johnson systemmagphot.mag;em.IR.Kfloatnullablee_kmagStandard error on K magnitudemagstat.error;phot.mag;em.IR.Kfloatnullablen_obsnumber of observations in LSQ fitmeta.number;obsintnullablep_flagTrue if LSQ fit is badmeta.code.qualbooleansub_flagSubset flagmeta.codecharnullablesrccatSource cataloguemeta.refcharnullablesrcidStar identifier in the source cataloguemeta.id.crosscharnullablepm_totalTotal proper motionarcsec/yrpos.pmfloatindexednullableangle_pmPosition angle of total proper motiondegpos.posAng;pos.pmfloatnullable