ppmxl.mainivo://org.gavo.dc/ppmxl/q/maindoi:10.21938/puTViqDkMGcQZu8LSDZ5SgThe GAVO DC teamRöser, S.Demleitner, M.Schilbach, E.Vickers, J. J.2016-04-14T00:00:00Z2011-06-082016-04-202017-12-15GAVO Data Centre Team

Mönchhofstrasse 12-14, D-69120 Heidelberg

gavo@ari.uni-heidelberg.de+49 6221 54 1837starssurveysastrometryproper-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. This service additionally provides improved proper motions computed according to Vickers et al, 2016 (:bibcode:`2016AJ....151...99V`).2010AJ....139.2440Rhttp://dc.g-vo.org/tableinfo/ppmxl.main0/0-118.332e-20 5.369e-19ppmxl 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. This service additionally provides improved proper motions computed according to Vickers et al, 2016 (:bibcode:`2016AJ....151...99V`).ppmxl.main 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. This service additionally provides improved proper motions computed according to Vickers et al, 2016 (:bibcode:`2016AJ....151...99V`).900000000ipixIdentifier (Q3C ipix of the USNO-B 1.0 object)meta.id;meta.main68187852794531.4555397969262336e+174.897678929650011e+186.544739885363848e+1869175110039938228571.0longindexedraj2000Right Ascension J2000.0, epoch 2000.0degpos.eq.ra;meta.main6e-0620.8815237.901340.5833601doubleindexednullabledej2000Declination J2000.0, epoch 2000.0degpos.eq.dec;meta.main-89.886-70.7159-17.90564.550289.93921doubleindexednullablee_raepraMean error in RA*cos(delta) at mean epochdegstat.error;pos.eq.ra;meta.main2.78e-071.75e-053.11e-054.53e-055.75e-051floatnullablee_deepdeMean error in Dec at mean epochdegstat.error;pos.eq.dec;meta.main2.78e-071.75e-053.14e-054.53e-055.69e-051floatnullablepmraProper Motion in RA*cos(delta)deg/yrpos.pm;pos.eq.ra-0.0026833-3.6267e-05-4.6389e-073.1322e-050.00271881floatindexednullablepmdeProper Motion in Decdeg/yrpos.pm;pos.eq.dec-0.002712-4.03e-05-7.8056e-073.6792e-050.0027711floatindexednullablee_pmraMean error in pmRA*cos(delta)deg/yrstat.error;pos.pm;pos.eq.ra5.56e-081.06e-062.11e-066.86e-062.48e-051floatnullablee_pmdeMean error in pmDEdeg/yrstat.error;pos.pm;pos.eq.dec2.78e-081.06e-062.11e-066.86e-062.48e-051floatnullablenobsNumber of observations usedmeta.number;obs22.04.06.0150.99985075shortnullableepraMean Epoch (RA)yrtime.epoch;pos.eq.ra1924.171968.311984.651995.592005.131floatnullableepdeMean Epoch (Dec)yrtime.epoch;pos.eq.dec1922.621968.31984.651995.62005.131floatnullablejmagJ selected default magnitude from 2MASSmagphot.mag;em.IR.J-1.31411.71715.52116.79621.7490.453138floatnullablee_jmagJ total magnitude uncertaintymagstat.error;phot.mag;em.IR.J0.0150.0230.0660.1639.9990.446147floatnullablehmagH selected default magnitude from 2MASSmagphot.mag;em.IR.H-2.23511.0314.96116.28220.1470.453138floatnullablee_hmagH total magnitude uncertaintymagstat.error;phot.mag;em.IR.H00.0220.0780.2139.9980.419335floatnullablekmagK_s selected default magnitude from 2MASSmagphot.mag;em.IR.K-2.66310.78614.75516.23219.8720.453138floatnullablee_kmagK_s total magnitude uncertaintymagstat.error;phot.mag;em.IR.K00.0210.0890.2459.9990.353952floatnullableb1magB mag from USNO-B, first epochmagphot.mag;em.opt.B-0.6214.7419.4321.0464.880.400937floatnullableb2magB mag from USNO-B, second epochmagphot.mag;em.opt.B-0.4415.2219.2121.665.380.853922floatnullabler1magR mag from USNO-B, first epochmagphot.mag;em.opt.R-1.2213.817.9220.0465.430.793746floatnullabler2magR mag from USNO-B, second epochmagphot.mag;em.opt.R0.1714.2118.2420.965.450.806482floatnullableimagI mag from USNO-Bmagphot.mag;em.opt.I-0.6413.1617.2518.9865.120.73584floatnullablemagsurveysSurveys the USNO-B magnitudes are taken frommeta.codecharnullableflagsFlagsmeta.code00.00.01.0101.0shortvickers_pmraProper motion in RA as re-corrected according to 2016AJ....151...99V, cos(delta) applied. This is only available for objects with 2MASS J magnitudes. e_pmRA still is suitable as an error estimate.deg/yrpos.pm;pos.eq.ra-0.0025239-1.124e-05-3.3235e-071.2709e-050.00211370.453138floatnullablevickers_pmdeProper motion in Dec as re-corrected according to 2016AJ....151...99V. This is only available for objects with 2MASS J magnitudes. e_pmDE still is suitable as an error estimate.deg/yrpos.pm;pos.eq.dec-0.0026772-1.324e-05-8.97155e-081.0725e-050.00215670.453138floatnullable